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/**
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* '$RCSfile$'
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* Purpose: A class to asyncronously do delta-T replication checking
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* Copyright: 2000 Regents of the University of California and the
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* National Center for Ecological Analysis and Synthesis
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* Authors: Chad Berkley
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*
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* '$Author: rnahf $'
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* '$Date: 2015-05-11 12:28:55 -0700 (Mon, 11 May 2015) $'
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* '$Revision: 9203 $'
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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package edu.ucsb.nceas.metacat.replication;
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import java.io.ByteArrayInputStream;
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import java.io.InputStream;
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import java.io.StringReader;
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import java.net.InetAddress;
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import java.net.URL;
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import java.net.UnknownHostException;
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import java.sql.PreparedStatement;
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import java.sql.ResultSet;
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import java.sql.SQLException;
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import java.sql.Timestamp;
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import java.text.DateFormat;
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import java.text.ParseException;
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import java.util.Date;
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import java.util.Hashtable;
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import java.util.Iterator;
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import java.util.TimerTask;
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import java.util.Vector;
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import org.apache.commons.io.IOUtils;
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import org.apache.log4j.Logger;
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import org.dataone.service.types.v2.SystemMetadata;
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import org.dataone.service.util.DateTimeMarshaller;
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import org.dataone.service.util.TypeMarshaller;
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import org.xml.sax.ContentHandler;
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import org.xml.sax.ErrorHandler;
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import org.xml.sax.InputSource;
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import org.xml.sax.SAXException;
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import org.xml.sax.XMLReader;
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import org.xml.sax.helpers.DefaultHandler;
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import org.xml.sax.helpers.XMLReaderFactory;
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import edu.ucsb.nceas.metacat.CatalogMessageHandler;
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import edu.ucsb.nceas.metacat.DBUtil;
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import edu.ucsb.nceas.metacat.DocumentImpl;
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import edu.ucsb.nceas.metacat.DocumentImplWrapper;
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import edu.ucsb.nceas.metacat.EventLog;
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import edu.ucsb.nceas.metacat.IdentifierManager;
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import edu.ucsb.nceas.metacat.McdbDocNotFoundException;
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import edu.ucsb.nceas.metacat.SchemaLocationResolver;
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import edu.ucsb.nceas.metacat.accesscontrol.AccessControlForSingleFile;
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import edu.ucsb.nceas.metacat.client.InsufficientKarmaException;
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import edu.ucsb.nceas.metacat.database.DBConnection;
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import edu.ucsb.nceas.metacat.database.DBConnectionPool;
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import edu.ucsb.nceas.metacat.dataone.hazelcast.HazelcastService;
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import edu.ucsb.nceas.metacat.index.MetacatSolrIndex;
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import edu.ucsb.nceas.metacat.properties.PropertyService;
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import edu.ucsb.nceas.metacat.shared.HandlerException;
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import edu.ucsb.nceas.metacat.util.DocumentUtil;
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import edu.ucsb.nceas.metacat.util.MetacatUtil;
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import edu.ucsb.nceas.metacat.util.ReplicationUtil;
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import edu.ucsb.nceas.utilities.PropertyNotFoundException;
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import edu.ucsb.nceas.utilities.access.DocInfoHandler;
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import edu.ucsb.nceas.utilities.access.XMLAccessDAO;
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/**
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* This class handles deltaT replication checking. Whenever this TimerTask
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* is fired it checks each server in xml_replication for updates and updates
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* the local db as needed.
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*/
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public class ReplicationHandler extends TimerTask
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{
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int serverCheckCode = 1;
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ReplicationServerList serverList = null;
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//PrintWriter out;
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// private static final AbstractDatabase dbAdapter = MetacatUtil.dbAdapter;
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private static Logger logReplication = Logger.getLogger("ReplicationLogging");
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private static Logger logMetacat = Logger.getLogger(ReplicationHandler.class);
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private static int DOCINSERTNUMBER = 1;
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private static int DOCERRORNUMBER = 1;
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private static int REVINSERTNUMBER = 1;
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private static int REVERRORNUMBER = 1;
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private static int _xmlDocQueryCount = 0;
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private static int _xmlRevQueryCount = 0;
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private static long _xmlDocQueryTime = 0;
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private static long _xmlRevQueryTime = 0;
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public ReplicationHandler()
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{
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//this.out = o;
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serverList = new ReplicationServerList();
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}
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public ReplicationHandler(int serverCheckCode)
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{
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//this.out = o;
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this.serverCheckCode = serverCheckCode;
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serverList = new ReplicationServerList();
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}
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/**
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* Method that implements TimerTask.run(). It runs whenever the timer is
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* fired.
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*/
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public void run()
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{
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//find out the last_checked time of each server in the server list and
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//send a query to each server to see if there are any documents in
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//xml_documents with an update_date > last_checked
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//if serverList is null, metacat don't need to replication
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if (serverList==null||serverList.isEmpty())
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{
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return;
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}
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updateCatalog();
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update();
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//conn.close();
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}
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/**
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* Method that uses revision tagging for replication instead of update_date.
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*/
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private void update()
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{
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Vector<InputStream> responses = new Vector<InputStream>();
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try {
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_xmlDocQueryCount = 0;
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_xmlRevQueryCount = 0;
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_xmlDocQueryTime = 0;
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_xmlRevQueryTime = 0;
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/*
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Pseudo-algorithm
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- request a doc list from each server in xml_replication
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- check the rev number of each of those documents agains the
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documents in the local database
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- pull any documents that have a lesser rev number on the local server
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from the remote server
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- delete any documents that still exist in the local xml_documents but
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are in the deletedDocuments tag of the remote host response.
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- update last_checked to keep track of the last time it was checked.
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(this info is theoretically not needed using this system but probably
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should be kept anyway)
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*/
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ReplicationServer replServer = null; // Variable to store the
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// ReplicationServer got from
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// Server list
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String server = null; // Variable to store server name
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// String update;
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URL u;
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long replicationStartTime = System.currentTimeMillis();
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long timeToGetServerList = 0;
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//Check for every server in server list to get updated list and put
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// them in to response
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long startTimeToGetServers = System.currentTimeMillis();
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for (int i=0; i<serverList.size(); i++)
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{
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// Get ReplicationServer object from server list
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replServer = serverList.serverAt(i);
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// Get server name from ReplicationServer object
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server = replServer.getServerName().trim();
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InputStream result = null;
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logReplication.info("ReplicationHandler.update - full update started to: " + server);
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// Send command to that server to get updated docid information
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try
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{
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u = new URL("https://" + server + "?server="
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+MetacatUtil.getLocalReplicationServerName()+"&action=update");
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logReplication.info("ReplicationHandler.update - Sending infomation " +u.toString());
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result = ReplicationService.getURLStream(u);
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}
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catch (Exception e)
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{
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logMetacat.error("ReplicationHandler.update - " + ReplicationService.METACAT_REPL_ERROR_MSG);
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logReplication.error( "ReplicationHandler.update - Failed to get updated doc list "+
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"for server " + server + " because "+e.getMessage());
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continue;
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}
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//logReplication.info("ReplicationHandler.update - docid: "+server+" "+result);
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//check if result have error or not, if has skip it.
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// TODO: check for error in stream
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//if (result.indexOf("<error>") != -1 && result.indexOf("</error>") != -1) {
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if (result == null) {
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logMetacat.error("ReplicationHandler.update - " + ReplicationService.METACAT_REPL_ERROR_MSG);
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logReplication.error( "ReplicationHandler.update - Failed to get updated doc list "+
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"for server " + server + " because "+result);
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continue;
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}
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//Add result to vector
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responses.add(result);
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}
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timeToGetServerList = System.currentTimeMillis() - startTimeToGetServers;
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//make sure that there is updated file list
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//If response is null, metacat don't need do anything
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if (responses==null || responses.isEmpty())
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{
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logMetacat.error("ReplicationHandler.update - " + ReplicationService.METACAT_REPL_ERROR_MSG);
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logReplication.info( "ReplicationHandler.update - No updated doc list for "+
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"every server and failed to replicate");
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return;
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}
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//logReplication.info("ReplicationHandler.update - Responses from remote metacat about updated "+
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// "document information: "+ responses.toString());
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long totalServerListParseTime = 0;
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// go through response vector(it contains updated vector and delete vector
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for(int i=0; i<responses.size(); i++)
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{
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long startServerListParseTime = System.currentTimeMillis();
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XMLReader parser;
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ReplMessageHandler message = new ReplMessageHandler();
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try
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{
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parser = initParser(message);
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}
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catch (Exception e)
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{
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logMetacat.error("ReplicationHandler.update - " + ReplicationService.METACAT_REPL_ERROR_MSG);
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logReplication.error("ReplicationHandler.update - Failed to replicate becaue couldn't " +
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" initParser for message and " +e.getMessage());
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// stop replication
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return;
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}
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try
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{
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parser.parse(new InputSource(responses.elementAt(i)));
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}
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catch(Exception e)
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{
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logMetacat.error("ReplicationHandler.update - " + ReplicationService.METACAT_REPL_ERROR_MSG);
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logReplication.error("ReplicationHandler.update - Couldn't parse one responses "+
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"because "+ e.getMessage());
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continue;
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}
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finally
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{
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IOUtils.closeQuietly(responses.elementAt(i));
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}
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//v is the list of updated documents
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Vector<Vector<String>> updateList = new Vector<Vector<String>>(message.getUpdatesVect());
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logReplication.info("ReplicationHandler.update - The document list size is "+updateList.size()+ " from "+message.getServerName());
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//d is the list of deleted documents
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Vector<Vector<String>> deleteList = new Vector<Vector<String>>(message.getDeletesVect());
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logReplication.info("ReplicationHandler.update - Update vector size: "+ updateList.size()+" from "+message.getServerName());
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logReplication.info("ReplicationHandler.update - Delete vector size: "+ deleteList.size()+" from "+message.getServerName());
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logReplication.info("ReplicationHandler.update - The delete document list size is "+deleteList.size()+" from "+message.getServerName());
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// go though every element in updated document vector
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handleDocList(updateList, DocumentImpl.DOCUMENTTABLE);
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//handle deleted docs
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for(int k=0; k<deleteList.size(); k++)
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{ //delete the deleted documents;
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Vector<String> w = new Vector<String>(deleteList.elementAt(k));
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String docId = (String)w.elementAt(0);
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try
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{
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handleDeleteSingleDocument(docId, server);
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}
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catch (Exception ee)
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{
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continue;
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}
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}//for delete docs
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// handle replicate doc in xml_revision
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Vector<Vector<String>> revisionList = new Vector<Vector<String>>(message.getRevisionsVect());
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logReplication.info("ReplicationHandler.update - The revision document list size is "+revisionList.size()+ " from "+message.getServerName());
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handleDocList(revisionList, DocumentImpl.REVISIONTABLE);
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DOCINSERTNUMBER = 1;
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DOCERRORNUMBER = 1;
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REVINSERTNUMBER = 1;
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REVERRORNUMBER = 1;
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// handle system metadata
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Vector<Vector<String>> systemMetadataList = message.getSystemMetadataVect();
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for(int k = 0; k < systemMetadataList.size(); k++) {
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Vector<String> w = systemMetadataList.elementAt(k);
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String guid = (String) w.elementAt(0);
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String remoteserver = (String) w.elementAt(1);
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try {
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311
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handleSystemMetadata(remoteserver, guid);
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}
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catch (Exception ee) {
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314
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logMetacat.error("Error replicating system metedata for guid: " + guid, ee);
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continue;
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}
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317
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}
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318
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319
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totalServerListParseTime += (System.currentTimeMillis() - startServerListParseTime);
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320
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}//for response
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321
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322
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//updated last_checked
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for (int i=0;i<serverList.size(); i++)
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{
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// Get ReplicationServer object from server list
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replServer = serverList.serverAt(i);
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327
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try
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328
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{
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updateLastCheckTimeForSingleServer(replServer);
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}
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catch(Exception e)
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332
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{
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continue;
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}
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335
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}//for
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336
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337
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long replicationEndTime = System.currentTimeMillis();
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338
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logMetacat.debug("ReplicationHandler.update - Total replication time: " +
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(replicationEndTime - replicationStartTime));
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340
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logMetacat.debug("ReplicationHandler.update - time to get server list: " +
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timeToGetServerList);
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342
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logMetacat.debug("ReplicationHandler.update - server list parse time: " +
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totalServerListParseTime);
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344
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logMetacat.debug("ReplicationHandler.update - 'in xml_documents' total query count: " +
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_xmlDocQueryCount);
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logMetacat.debug("ReplicationHandler.update - 'in xml_documents' total query time: " +
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347
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_xmlDocQueryTime + " ms");
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348
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logMetacat.debug("ReplicationHandler.update - 'in xml_revisions' total query count: " +
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349
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_xmlRevQueryCount);
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350
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logMetacat.debug("ReplicationHandler.update - 'in xml_revisions' total query time: " +
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351
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_xmlRevQueryTime + " ms");;
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352
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|
|
353
|
} finally { // need to close all inputstreams unconditionally
|
|
354
|
Iterator<InputStream> isit = responses.iterator();
|
|
355
|
while (isit.hasNext()) {
|
|
356
|
IOUtils.closeQuietly(isit.next());
|
|
357
|
}
|
|
358
|
}
|
|
359
|
}//update
|
|
360
|
|
|
361
|
/* Handle replicate single xml document*/
|
|
362
|
private void handleSingleXMLDocument(String remoteserver, String actions,
|
|
363
|
String accNumber, String tableName)
|
|
364
|
throws HandlerException
|
|
365
|
{
|
|
366
|
DBConnection dbConn = null;
|
|
367
|
int serialNumber = -1;
|
|
368
|
try
|
|
369
|
{
|
|
370
|
// Get DBConnection from pool
|
|
371
|
dbConn=DBConnectionPool.
|
|
372
|
getDBConnection("ReplicationHandler.handleSingleXMLDocument");
|
|
373
|
serialNumber=dbConn.getCheckOutSerialNumber();
|
|
374
|
//if the document needs to be updated or inserted, this is executed
|
|
375
|
String readDocURLString = "https://" + remoteserver + "?server="+
|
|
376
|
MetacatUtil.getLocalReplicationServerName()+"&action=read&docid="+accNumber;
|
|
377
|
readDocURLString = MetacatUtil.replaceWhiteSpaceForURL(readDocURLString);
|
|
378
|
URL u = new URL(readDocURLString);
|
|
379
|
|
|
380
|
// Get docid content
|
|
381
|
byte[] xmlBytes = ReplicationService.getURLBytes(u);
|
|
382
|
String newxmldoc = new String(xmlBytes, "UTF-8");
|
|
383
|
// If couldn't get skip it
|
|
384
|
if ( newxmldoc.indexOf("<error>")!= -1 && newxmldoc.indexOf("</error>")!=-1)
|
|
385
|
{
|
|
386
|
throw new HandlerException("ReplicationHandler.handleSingleXMLDocument - " + newxmldoc);
|
|
387
|
}
|
|
388
|
//logReplication.info("xml documnet:");
|
|
389
|
//logReplication.info(newxmldoc);
|
|
390
|
|
|
391
|
// Try get the docid info from remote server
|
|
392
|
DocInfoHandler dih = new DocInfoHandler();
|
|
393
|
XMLReader docinfoParser = initParser(dih);
|
|
394
|
String docInfoURLStr = "https://" + remoteserver +
|
|
395
|
"?server="+MetacatUtil.getLocalReplicationServerName()+
|
|
396
|
"&action=getdocumentinfo&docid="+accNumber;
|
|
397
|
docInfoURLStr = MetacatUtil.replaceWhiteSpaceForURL(docInfoURLStr);
|
|
398
|
URL docinfoUrl = new URL(docInfoURLStr);
|
|
399
|
logReplication.info("ReplicationHandler.handleSingleXMLDocument - Sending message: " + docinfoUrl.toString());
|
|
400
|
String docInfoStr = ReplicationService.getURLContent(docinfoUrl);
|
|
401
|
|
|
402
|
// strip out the system metadata portion
|
|
403
|
String systemMetadataXML = ReplicationUtil.getSystemMetadataContent(docInfoStr);
|
|
404
|
docInfoStr = ReplicationUtil.getContentWithoutSystemMetadata(docInfoStr);
|
|
405
|
SystemMetadata sysMeta = null;
|
|
406
|
// process system metadata if we have it
|
|
407
|
if (systemMetadataXML != null) {
|
|
408
|
sysMeta =
|
|
409
|
TypeMarshaller.unmarshalTypeFromStream(
|
|
410
|
SystemMetadata.class,
|
|
411
|
new ByteArrayInputStream(systemMetadataXML.getBytes("UTF-8")));
|
|
412
|
// need the guid-to-docid mapping
|
|
413
|
if (!IdentifierManager.getInstance().mappingExists(sysMeta.getIdentifier().getValue())) {
|
|
414
|
IdentifierManager.getInstance().createMapping(sysMeta.getIdentifier().getValue(), accNumber);
|
|
415
|
}
|
|
416
|
// save the system metadata
|
|
417
|
logReplication.debug("Saving SystemMetadata to shared map: " + sysMeta.getIdentifier().getValue());
|
|
418
|
HazelcastService.getInstance().getSystemMetadataMap().put(sysMeta.getIdentifier(), sysMeta);
|
|
419
|
|
|
420
|
}
|
|
421
|
|
|
422
|
docinfoParser.parse(new InputSource(new StringReader(docInfoStr)));
|
|
423
|
Hashtable<String, String> docinfoHash = dih.getDocInfo();
|
|
424
|
// Get home server of the docid
|
|
425
|
String docHomeServer = docinfoHash.get("home_server");
|
|
426
|
logReplication.info("ReplicationHandler.handleSingleXMLDocument - doc home server in repl: "+docHomeServer);
|
|
427
|
|
|
428
|
// dates
|
|
429
|
String createdDateString = docinfoHash.get("date_created");
|
|
430
|
String updatedDateString = docinfoHash.get("date_updated");
|
|
431
|
Date createdDate = DateTimeMarshaller.deserializeDateToUTC(createdDateString);
|
|
432
|
Date updatedDate = DateTimeMarshaller.deserializeDateToUTC(updatedDateString);
|
|
433
|
|
|
434
|
//docid should include rev number too
|
|
435
|
/*String accnum=docId+util.getProperty("document.accNumSeparator")+
|
|
436
|
(String)docinfoHash.get("rev");*/
|
|
437
|
logReplication.info("ReplicationHandler.handleSingleXMLDocument - docid in repl: "+accNumber);
|
|
438
|
String docType = docinfoHash.get("doctype");
|
|
439
|
logReplication.info("ReplicationHandler.handleSingleXMLDocument - doctype in repl: "+docType);
|
|
440
|
|
|
441
|
String parserBase = null;
|
|
442
|
// this for eml2 and we need user eml2 parser
|
|
443
|
if (docType != null && (docType.trim()).equals(DocumentImpl.EML2_0_0NAMESPACE))
|
|
444
|
{
|
|
445
|
parserBase = DocumentImpl.EML200;
|
|
446
|
}
|
|
447
|
else if (docType != null && (docType.trim()).equals(DocumentImpl.EML2_0_1NAMESPACE))
|
|
448
|
{
|
|
449
|
parserBase = DocumentImpl.EML200;
|
|
450
|
}
|
|
451
|
else if (docType != null && (docType.trim()).equals(DocumentImpl.EML2_1_0NAMESPACE))
|
|
452
|
{
|
|
453
|
parserBase = DocumentImpl.EML210;
|
|
454
|
}
|
|
455
|
else if (docType != null && (docType.trim()).equals(DocumentImpl.EML2_1_1NAMESPACE))
|
|
456
|
{
|
|
457
|
parserBase = DocumentImpl.EML210;
|
|
458
|
}
|
|
459
|
// Write the document into local host
|
|
460
|
DocumentImplWrapper wrapper = new DocumentImplWrapper(parserBase, false, false);
|
|
461
|
String newDocid = wrapper.writeReplication(dbConn,
|
|
462
|
newxmldoc, xmlBytes,
|
|
463
|
docinfoHash.get("public_access"),
|
|
464
|
null, /* the dtd text */
|
|
465
|
actions,
|
|
466
|
accNumber,
|
|
467
|
null, //docinfoHash.get("user_owner"),
|
|
468
|
null, /* null for groups[] */
|
|
469
|
docHomeServer,
|
|
470
|
remoteserver, tableName, true,// true is for time replication
|
|
471
|
createdDate,
|
|
472
|
updatedDate);
|
|
473
|
|
|
474
|
if(sysMeta != null) {
|
|
475
|
// submit for indexing. When the doc writing process fails, the index process will fail as well. But this failure
|
|
476
|
// will not interrupt the process.
|
|
477
|
try {
|
|
478
|
MetacatSolrIndex.getInstance().submit(sysMeta.getIdentifier(), sysMeta, null, true);
|
|
479
|
} catch (Exception ee) {
|
|
480
|
logReplication.warn("ReplicationService.handleForceReplicateRequest - couldn't index the doc since "+ee.getMessage());
|
|
481
|
}
|
|
482
|
|
|
483
|
}
|
|
484
|
|
|
485
|
//set the user information
|
|
486
|
String user = (String) docinfoHash.get("user_owner");
|
|
487
|
String updated = (String) docinfoHash.get("user_updated");
|
|
488
|
ReplicationService.updateUserOwner(dbConn, accNumber, user, updated);
|
|
489
|
|
|
490
|
//process extra access rules
|
|
491
|
try {
|
|
492
|
// check if we had a guid -> docid mapping
|
|
493
|
String docid = DocumentUtil.getDocIdFromAccessionNumber(accNumber);
|
|
494
|
int rev = DocumentUtil.getRevisionFromAccessionNumber(accNumber);
|
|
495
|
IdentifierManager.getInstance().getGUID(docid, rev);
|
|
496
|
// no need to create the mapping if we have it
|
|
497
|
} catch (McdbDocNotFoundException mcdbe) {
|
|
498
|
// create mapping if we don't
|
|
499
|
IdentifierManager.getInstance().createMapping(accNumber, accNumber);
|
|
500
|
}
|
|
501
|
Vector<XMLAccessDAO> xmlAccessDAOList = dih.getAccessControlList();
|
|
502
|
if (xmlAccessDAOList != null) {
|
|
503
|
AccessControlForSingleFile acfsf = new AccessControlForSingleFile(accNumber);
|
|
504
|
for (XMLAccessDAO xmlAccessDAO : xmlAccessDAOList) {
|
|
505
|
if (!acfsf.accessControlExists(xmlAccessDAO)) {
|
|
506
|
acfsf.insertPermissions(xmlAccessDAO);
|
|
507
|
}
|
|
508
|
}
|
|
509
|
}
|
|
510
|
|
|
511
|
|
|
512
|
logReplication.info("ReplicationHandler.handleSingleXMLDocument - Successfully replicated doc " + accNumber);
|
|
513
|
if (tableName.equals(DocumentImpl.DOCUMENTTABLE))
|
|
514
|
{
|
|
515
|
logReplication.info("ReplicationHandler.handleSingleXMLDocument - " + DOCINSERTNUMBER + " Wrote xml doc " + accNumber +
|
|
516
|
" into "+tableName + " from " +
|
|
517
|
remoteserver);
|
|
518
|
DOCINSERTNUMBER++;
|
|
519
|
}
|
|
520
|
else
|
|
521
|
{
|
|
522
|
logReplication.info("ReplicationHandler.handleSingleXMLDocument - " +REVINSERTNUMBER + " Wrote xml doc " + accNumber +
|
|
523
|
" into "+tableName + " from " +
|
|
524
|
remoteserver);
|
|
525
|
REVINSERTNUMBER++;
|
|
526
|
}
|
|
527
|
String ip = getIpFromURL(u);
|
|
528
|
EventLog.getInstance().log(ip, null, ReplicationService.REPLICATIONUSER, accNumber, actions);
|
|
529
|
|
|
530
|
|
|
531
|
}//try
|
|
532
|
catch(Exception e)
|
|
533
|
{
|
|
534
|
|
|
535
|
if (tableName.equals(DocumentImpl.DOCUMENTTABLE))
|
|
536
|
{
|
|
537
|
logMetacat.error("ReplicationHandler.handleSingleXMLDocument - " + ReplicationService.METACAT_REPL_ERROR_MSG);
|
|
538
|
logReplication.error("ReplicationHandler.handleSingleXMLDocument - " +DOCERRORNUMBER + " Failed to write xml doc " + accNumber +
|
|
539
|
" into "+tableName + " from " +
|
|
540
|
remoteserver + " because "+e.getMessage());
|
|
541
|
DOCERRORNUMBER++;
|
|
542
|
}
|
|
543
|
else
|
|
544
|
{
|
|
545
|
logMetacat.error("ReplicationHandler.handleSingleXMLDocument - " + ReplicationService.METACAT_REPL_ERROR_MSG);
|
|
546
|
logReplication.error("ReplicationHandler.handleSingleXMLDocument - " +REVERRORNUMBER + " Failed to write xml doc " + accNumber +
|
|
547
|
" into "+tableName + " from " +
|
|
548
|
remoteserver +" because "+e.getMessage());
|
|
549
|
REVERRORNUMBER++;
|
|
550
|
}
|
|
551
|
logMetacat.error("ReplicationHandler.handleSingleXMLDocument - " + ReplicationService.METACAT_REPL_ERROR_MSG);
|
|
552
|
logReplication.error("ReplicationHandler.handleSingleXMLDocument - Failed to write doc " + accNumber +
|
|
553
|
" into db because " + e.getMessage(), e);
|
|
554
|
throw new HandlerException("ReplicationHandler.handleSingleXMLDocument - generic exception "
|
|
555
|
+ "writing Replication: " +e.getMessage());
|
|
556
|
}
|
|
557
|
finally
|
|
558
|
{
|
|
559
|
//return DBConnection
|
|
560
|
DBConnectionPool.returnDBConnection(dbConn, serialNumber);
|
|
561
|
}//finally
|
|
562
|
logMetacat.info("replication.create localId:" + accNumber);
|
|
563
|
}
|
|
564
|
|
|
565
|
|
|
566
|
|
|
567
|
/* Handle replicate single xml document*/
|
|
568
|
private void handleSingleDataFile(String remoteserver, String actions,
|
|
569
|
String accNumber, String tableName)
|
|
570
|
throws HandlerException
|
|
571
|
{
|
|
572
|
logReplication.info("ReplicationHandler.handleSingleDataFile - Try to replicate data file: " + accNumber);
|
|
573
|
DBConnection dbConn = null;
|
|
574
|
int serialNumber = -1;
|
|
575
|
InputStream input = null;
|
|
576
|
try
|
|
577
|
{
|
|
578
|
// Get DBConnection from pool
|
|
579
|
dbConn=DBConnectionPool.
|
|
580
|
getDBConnection("ReplicationHandler.handleSinlgeDataFile");
|
|
581
|
serialNumber=dbConn.getCheckOutSerialNumber();
|
|
582
|
// Try get docid info from remote server
|
|
583
|
DocInfoHandler dih = new DocInfoHandler();
|
|
584
|
XMLReader docinfoParser = initParser(dih);
|
|
585
|
String docInfoURLString = "https://" + remoteserver +
|
|
586
|
"?server="+MetacatUtil.getLocalReplicationServerName()+
|
|
587
|
"&action=getdocumentinfo&docid="+accNumber;
|
|
588
|
docInfoURLString = MetacatUtil.replaceWhiteSpaceForURL(docInfoURLString);
|
|
589
|
URL docinfoUrl = new URL(docInfoURLString);
|
|
590
|
|
|
591
|
String docInfoStr = ReplicationService.getURLContent(docinfoUrl);
|
|
592
|
|
|
593
|
// strip out the system metadata portion
|
|
594
|
String systemMetadataXML = ReplicationUtil.getSystemMetadataContent(docInfoStr);
|
|
595
|
docInfoStr = ReplicationUtil.getContentWithoutSystemMetadata(docInfoStr);
|
|
596
|
|
|
597
|
// process system metadata
|
|
598
|
if (systemMetadataXML != null) {
|
|
599
|
SystemMetadata sysMeta =
|
|
600
|
TypeMarshaller.unmarshalTypeFromStream(
|
|
601
|
SystemMetadata.class,
|
|
602
|
new ByteArrayInputStream(systemMetadataXML.getBytes("UTF-8")));
|
|
603
|
// need the guid-to-docid mapping
|
|
604
|
if (!IdentifierManager.getInstance().mappingExists(sysMeta.getIdentifier().getValue())) {
|
|
605
|
IdentifierManager.getInstance().createMapping(sysMeta.getIdentifier().getValue(), accNumber);
|
|
606
|
}
|
|
607
|
// save the system metadata
|
|
608
|
HazelcastService.getInstance().getSystemMetadataMap().put(sysMeta.getIdentifier(), sysMeta);
|
|
609
|
// submit for indexing
|
|
610
|
MetacatSolrIndex.getInstance().submit(sysMeta.getIdentifier(), sysMeta, null, true);
|
|
611
|
|
|
612
|
}
|
|
613
|
|
|
614
|
docinfoParser.parse(new InputSource(new StringReader(docInfoStr)));
|
|
615
|
Hashtable<String, String> docinfoHash = dih.getDocInfo();
|
|
616
|
|
|
617
|
// Get docid name (such as acl or dataset)
|
|
618
|
String docName = docinfoHash.get("docname");
|
|
619
|
// Get doc type (eml public id)
|
|
620
|
String docType = docinfoHash.get("doctype");
|
|
621
|
// Get docid home sever. it might be different to remoteserver
|
|
622
|
// because of hub feature
|
|
623
|
String docHomeServer = docinfoHash.get("home_server");
|
|
624
|
String createdDateString = docinfoHash.get("date_created");
|
|
625
|
String updatedDateString = docinfoHash.get("date_updated");
|
|
626
|
Date createdDate = DateTimeMarshaller.deserializeDateToUTC(createdDateString);
|
|
627
|
Date updatedDate = DateTimeMarshaller.deserializeDateToUTC(updatedDateString);
|
|
628
|
//docid should include rev number too
|
|
629
|
/*String accnum=docId+util.getProperty("document.accNumSeparator")+
|
|
630
|
(String)docinfoHash.get("rev");*/
|
|
631
|
|
|
632
|
String datafilePath = PropertyService.getProperty("application.datafilepath");
|
|
633
|
// Get data file content
|
|
634
|
String readDataURLString = "https://" + remoteserver + "?server="+
|
|
635
|
MetacatUtil.getLocalReplicationServerName()+
|
|
636
|
"&action=readdata&docid="+accNumber;
|
|
637
|
readDataURLString = MetacatUtil.replaceWhiteSpaceForURL(readDataURLString);
|
|
638
|
URL u = new URL(readDataURLString);
|
|
639
|
input = ReplicationService.getURLStream(u);
|
|
640
|
//register data file into xml_documents table and wite data file
|
|
641
|
//into file system
|
|
642
|
if ( input != null)
|
|
643
|
{
|
|
644
|
DocumentImpl.writeDataFileInReplication(input,
|
|
645
|
datafilePath,
|
|
646
|
docName,docType,
|
|
647
|
accNumber,
|
|
648
|
null,
|
|
649
|
docHomeServer,
|
|
650
|
remoteserver,
|
|
651
|
tableName,
|
|
652
|
true, //true means timed replication
|
|
653
|
createdDate,
|
|
654
|
updatedDate);
|
|
655
|
|
|
656
|
//set the user information
|
|
657
|
String user = (String) docinfoHash.get("user_owner");
|
|
658
|
String updated = (String) docinfoHash.get("user_updated");
|
|
659
|
ReplicationService.updateUserOwner(dbConn, accNumber, user, updated);
|
|
660
|
|
|
661
|
//process extra access rules
|
|
662
|
try {
|
|
663
|
// check if we had a guid -> docid mapping
|
|
664
|
String docid = DocumentUtil.getDocIdFromAccessionNumber(accNumber);
|
|
665
|
int rev = DocumentUtil.getRevisionFromAccessionNumber(accNumber);
|
|
666
|
IdentifierManager.getInstance().getGUID(docid, rev);
|
|
667
|
// no need to create the mapping if we have it
|
|
668
|
} catch (McdbDocNotFoundException mcdbe) {
|
|
669
|
// create mapping if we don't
|
|
670
|
IdentifierManager.getInstance().createMapping(accNumber, accNumber);
|
|
671
|
}
|
|
672
|
Vector<XMLAccessDAO> xmlAccessDAOList = dih.getAccessControlList();
|
|
673
|
if (xmlAccessDAOList != null) {
|
|
674
|
AccessControlForSingleFile acfsf = new AccessControlForSingleFile(accNumber);
|
|
675
|
for (XMLAccessDAO xmlAccessDAO : xmlAccessDAOList) {
|
|
676
|
if (!acfsf.accessControlExists(xmlAccessDAO)) {
|
|
677
|
acfsf.insertPermissions(xmlAccessDAO);
|
|
678
|
}
|
|
679
|
}
|
|
680
|
}
|
|
681
|
|
|
682
|
logReplication.info("ReplicationHandler.handleSingleDataFile - Successfully to write datafile " + accNumber);
|
|
683
|
/*MetacatReplication.replLog("wrote datafile " + accNumber + " from " +
|
|
684
|
remote server);*/
|
|
685
|
if (tableName.equals(DocumentImpl.DOCUMENTTABLE))
|
|
686
|
{
|
|
687
|
logReplication.info("ReplicationHandler.handleSingleDataFile - " + DOCINSERTNUMBER + " Wrote data file" + accNumber +
|
|
688
|
" into "+tableName + " from " +
|
|
689
|
remoteserver);
|
|
690
|
DOCINSERTNUMBER++;
|
|
691
|
}
|
|
692
|
else
|
|
693
|
{
|
|
694
|
logReplication.info("ReplicationHandler.handleSingleDataFile - " + REVINSERTNUMBER + " Wrote data file" + accNumber +
|
|
695
|
" into "+tableName + " from " +
|
|
696
|
remoteserver);
|
|
697
|
REVINSERTNUMBER++;
|
|
698
|
}
|
|
699
|
String ip = getIpFromURL(u);
|
|
700
|
EventLog.getInstance().log(ip, null, ReplicationService.REPLICATIONUSER, accNumber, actions);
|
|
701
|
|
|
702
|
}//if
|
|
703
|
else
|
|
704
|
{
|
|
705
|
logReplication.info("ReplicationHandler.handleSingleDataFile - Couldn't open the data file: " + accNumber);
|
|
706
|
throw new HandlerException("ReplicationHandler.handleSingleDataFile - Couldn't open the data file: " + accNumber);
|
|
707
|
}//else
|
|
708
|
|
|
709
|
}//try
|
|
710
|
catch(Exception e)
|
|
711
|
{
|
|
712
|
/*MetacatReplication.replErrorLog("Failed to try wrote data file " + accNumber +
|
|
713
|
" because " +e.getMessage());*/
|
|
714
|
if (tableName.equals(DocumentImpl.DOCUMENTTABLE))
|
|
715
|
{
|
|
716
|
logMetacat.error("ReplicationHandler.handleSingleDataFile - " + ReplicationService.METACAT_REPL_ERROR_MSG);
|
|
717
|
logReplication.error("ReplicationHandler.handleSingleDataFile - " + DOCERRORNUMBER + " Failed to write data file " + accNumber +
|
|
718
|
" into " + tableName + " from " +
|
|
719
|
remoteserver + " because " + e.getMessage());
|
|
720
|
DOCERRORNUMBER++;
|
|
721
|
}
|
|
722
|
else
|
|
723
|
{
|
|
724
|
logMetacat.error("ReplicationHandler.handleSingleDataFile - " + ReplicationService.METACAT_REPL_ERROR_MSG);
|
|
725
|
logReplication.error("ReplicationHandler.handleSingleDataFile - " + REVERRORNUMBER + " Failed to write data file" + accNumber +
|
|
726
|
" into " + tableName + " from " +
|
|
727
|
remoteserver +" because "+ e.getMessage());
|
|
728
|
REVERRORNUMBER++;
|
|
729
|
}
|
|
730
|
logMetacat.error("ReplicationHandler.handleSingleDataFile - " + ReplicationService.METACAT_REPL_ERROR_MSG);
|
|
731
|
logReplication.error("ReplicationHandler.handleSingleDataFile - Failed to try wrote datafile " + accNumber +
|
|
732
|
" because " + e.getMessage());
|
|
733
|
throw new HandlerException("ReplicationHandler.handleSingleDataFile - generic exception "
|
|
734
|
+ "writing Replication: " + e.getMessage());
|
|
735
|
}
|
|
736
|
finally
|
|
737
|
{
|
|
738
|
IOUtils.closeQuietly(input);
|
|
739
|
//return DBConnection
|
|
740
|
DBConnectionPool.returnDBConnection(dbConn, serialNumber);
|
|
741
|
|
|
742
|
|
|
743
|
}//finally
|
|
744
|
logMetacat.info("replication.create localId:" + accNumber);
|
|
745
|
}
|
|
746
|
|
|
747
|
|
|
748
|
|
|
749
|
/* Handle delete single document*/
|
|
750
|
private void handleDeleteSingleDocument(String docId, String notifyServer)
|
|
751
|
throws HandlerException
|
|
752
|
{
|
|
753
|
logReplication.info("ReplicationHandler.handleDeleteSingleDocument - Try delete doc: "+docId);
|
|
754
|
DBConnection dbConn = null;
|
|
755
|
int serialNumber = -1;
|
|
756
|
try
|
|
757
|
{
|
|
758
|
// Get DBConnection from pool
|
|
759
|
dbConn=DBConnectionPool.
|
|
760
|
getDBConnection("ReplicationHandler.handleDeleteSingleDoc");
|
|
761
|
serialNumber=dbConn.getCheckOutSerialNumber();
|
|
762
|
if(!alreadyDeleted(docId))
|
|
763
|
{
|
|
764
|
|
|
765
|
//because delete method docid should have rev number
|
|
766
|
//so we just add one for it. This rev number is no sence.
|
|
767
|
String accnum=docId+PropertyService.getProperty("document.accNumSeparator")+"1";
|
|
768
|
DocumentImpl.delete(accnum, null, null, notifyServer, false);
|
|
769
|
logReplication.info("ReplicationHandler.handleDeleteSingleDocument - Successfully deleted doc " + docId);
|
|
770
|
logReplication.info("ReplicationHandler.handleDeleteSingleDocument - Doc " + docId + " deleted");
|
|
771
|
URL u = new URL("https://"+notifyServer);
|
|
772
|
String ip = getIpFromURL(u);
|
|
773
|
EventLog.getInstance().log(ip, null, ReplicationService.REPLICATIONUSER, docId, "delete");
|
|
774
|
}
|
|
775
|
|
|
776
|
}//try
|
|
777
|
catch(McdbDocNotFoundException e)
|
|
778
|
{
|
|
779
|
logMetacat.error("ReplicationHandler.handleDeleteSingleDocument - " + ReplicationService.METACAT_REPL_ERROR_MSG);
|
|
780
|
logReplication.error("ReplicationHandler.handleDeleteSingleDocument - Failed to delete doc " + docId +
|
|
781
|
" in db because because " + e.getMessage());
|
|
782
|
throw new HandlerException("ReplicationHandler.handleDeleteSingleDocument - generic exception "
|
|
783
|
+ "when handling document: " + e.getMessage());
|
|
784
|
}
|
|
785
|
catch(InsufficientKarmaException e)
|
|
786
|
{
|
|
787
|
logMetacat.error("ReplicationHandler.handleDeleteSingleDocument - " + ReplicationService.METACAT_REPL_ERROR_MSG);
|
|
788
|
logReplication.error("ReplicationHandler.handleDeleteSingleDocument - Failed to delete doc " + docId +
|
|
789
|
" in db because because " + e.getMessage());
|
|
790
|
throw new HandlerException("ReplicationHandler.handleDeleteSingleDocument - generic exception "
|
|
791
|
+ "when handling document: " + e.getMessage());
|
|
792
|
}
|
|
793
|
catch(SQLException e)
|
|
794
|
{
|
|
795
|
logMetacat.error("ReplicationHandler.handleDeleteSingleDocument - " + ReplicationService.METACAT_REPL_ERROR_MSG);
|
|
796
|
logReplication.error("ReplicationHandler.handleDeleteSingleDocument - Failed to delete doc " + docId +
|
|
797
|
" in db because because " + e.getMessage());
|
|
798
|
throw new HandlerException("ReplicationHandler.handleDeleteSingleDocument - generic exception "
|
|
799
|
+ "when handling document: " + e.getMessage());
|
|
800
|
}
|
|
801
|
catch(Exception e)
|
|
802
|
{
|
|
803
|
logMetacat.error("ReplicationHandler.handleDeleteSingleDocument - " + ReplicationService.METACAT_REPL_ERROR_MSG);
|
|
804
|
logReplication.error("ReplicationHandler.handleDeleteSingleDocument - Failed to delete doc " + docId +
|
|
805
|
" in db because because " + e.getMessage());
|
|
806
|
throw new HandlerException("ReplicationHandler.handleDeleteSingleDocument - generic exception "
|
|
807
|
+ "when handling document: " + e.getMessage());
|
|
808
|
}
|
|
809
|
finally
|
|
810
|
{
|
|
811
|
//return DBConnection
|
|
812
|
DBConnectionPool.returnDBConnection(dbConn, serialNumber);
|
|
813
|
}//finally
|
|
814
|
logMetacat.info("replication.handleDeleteSingleDocument localId:" + docId);
|
|
815
|
}
|
|
816
|
|
|
817
|
/* Handle updateLastCheckTimForSingleServer*/
|
|
818
|
private void updateLastCheckTimeForSingleServer(ReplicationServer repServer)
|
|
819
|
throws HandlerException
|
|
820
|
{
|
|
821
|
String server = repServer.getServerName();
|
|
822
|
DBConnection dbConn = null;
|
|
823
|
int serialNumber = -1;
|
|
824
|
PreparedStatement pstmt = null;
|
|
825
|
try
|
|
826
|
{
|
|
827
|
// Get DBConnection from pool
|
|
828
|
dbConn=DBConnectionPool.
|
|
829
|
getDBConnection("ReplicationHandler.updateLastCheckTimeForServer");
|
|
830
|
serialNumber=dbConn.getCheckOutSerialNumber();
|
|
831
|
|
|
832
|
logReplication.info("ReplicationHandler.updateLastCheckTimeForSingleServer - Try to update last_check for server: "+server);
|
|
833
|
// Get time from remote server
|
|
834
|
URL dateurl = new URL("https://" + server + "?server="+
|
|
835
|
MetacatUtil.getLocalReplicationServerName()+"&action=gettime");
|
|
836
|
String datexml = ReplicationService.getURLContent(dateurl);
|
|
837
|
logReplication.info("ReplicationHandler.updateLastCheckTimeForSingleServer - datexml: "+datexml);
|
|
838
|
if (datexml != null && !datexml.equals("")) {
|
|
839
|
|
|
840
|
// parse the ISO datetime
|
|
841
|
String datestr = datexml.substring(11, datexml.indexOf('<', 11));
|
|
842
|
Date updated = DateTimeMarshaller.deserializeDateToUTC(datestr);
|
|
843
|
|
|
844
|
StringBuffer sql = new StringBuffer();
|
|
845
|
sql.append("update xml_replication set last_checked = ? ");
|
|
846
|
sql.append(" where server like ? ");
|
|
847
|
pstmt = dbConn.prepareStatement(sql.toString());
|
|
848
|
pstmt.setTimestamp(1, new Timestamp(updated.getTime()));
|
|
849
|
pstmt.setString(2, server);
|
|
850
|
|
|
851
|
pstmt.executeUpdate();
|
|
852
|
dbConn.commit();
|
|
853
|
pstmt.close();
|
|
854
|
logReplication.info("ReplicationHandler.updateLastCheckTimeForSingleServer - last_checked updated to "+datestr+" on "
|
|
855
|
+ server);
|
|
856
|
}//if
|
|
857
|
else
|
|
858
|
{
|
|
859
|
|
|
860
|
logReplication.info("ReplicationHandler.updateLastCheckTimeForSingleServer - Failed to update last_checked for server " +
|
|
861
|
server + " in db because couldn't get time "
|
|
862
|
);
|
|
863
|
throw new Exception("Couldn't get time for server "+ server);
|
|
864
|
}
|
|
865
|
|
|
866
|
}//try
|
|
867
|
catch(Exception e)
|
|
868
|
{
|
|
869
|
logMetacat.error("ReplicationHandler.updateLastCheckTimeForSingleServer - " + ReplicationService.METACAT_REPL_ERROR_MSG);
|
|
870
|
logReplication.error("ReplicationHandler.updateLastCheckTimeForSingleServer - Failed to update last_checked for server " +
|
|
871
|
server + " in db because because " + e.getMessage());
|
|
872
|
throw new HandlerException("ReplicationHandler.updateLastCheckTimeForSingleServer - "
|
|
873
|
+ "Error updating last checked time: " + e.getMessage());
|
|
874
|
}
|
|
875
|
finally
|
|
876
|
{
|
|
877
|
//return DBConnection
|
|
878
|
DBConnectionPool.returnDBConnection(dbConn, serialNumber);
|
|
879
|
}//finally
|
|
880
|
}
|
|
881
|
|
|
882
|
/**
|
|
883
|
* Handle replicate system metadata
|
|
884
|
*
|
|
885
|
* @param remoteserver
|
|
886
|
* @param guid
|
|
887
|
* @throws HandlerException
|
|
888
|
*/
|
|
889
|
private void handleSystemMetadata(String remoteserver, String guid)
|
|
890
|
throws HandlerException {
|
|
891
|
try {
|
|
892
|
|
|
893
|
// Try get the system metadata from remote server
|
|
894
|
String sysMetaURLStr = "https://" + remoteserver + "?server="
|
|
895
|
+ MetacatUtil.getLocalReplicationServerName()
|
|
896
|
+ "&action=getsystemmetadata&guid=" + guid;
|
|
897
|
sysMetaURLStr = MetacatUtil.replaceWhiteSpaceForURL(sysMetaURLStr);
|
|
898
|
URL sysMetaUrl = new URL(sysMetaURLStr);
|
|
899
|
logReplication.info("ReplicationHandler.handleSystemMetadata - Sending message: "
|
|
900
|
+ sysMetaUrl.toString());
|
|
901
|
String systemMetadataXML = ReplicationService.getURLContent(sysMetaUrl);
|
|
902
|
|
|
903
|
logReplication.info("ReplicationHandler.handleSystemMetadata - guid in repl: " + guid);
|
|
904
|
|
|
905
|
// process system metadata
|
|
906
|
if (systemMetadataXML != null) {
|
|
907
|
SystemMetadata sysMeta = TypeMarshaller.unmarshalTypeFromStream(SystemMetadata.class,
|
|
908
|
new ByteArrayInputStream(systemMetadataXML
|
|
909
|
.getBytes("UTF-8")));
|
|
910
|
HazelcastService.getInstance().getSystemMetadataMap().put(sysMeta.getIdentifier(), sysMeta);
|
|
911
|
// submit for indexing
|
|
912
|
MetacatSolrIndex.getInstance().submit(sysMeta.getIdentifier(), sysMeta, null, true);
|
|
913
|
}
|
|
914
|
|
|
915
|
logReplication.info("ReplicationHandler.handleSystemMetadata - Successfully replicated system metadata for guid: "
|
|
916
|
+ guid);
|
|
917
|
|
|
918
|
String ip = getIpFromURL(sysMetaUrl);
|
|
919
|
EventLog.getInstance().log(ip, null, ReplicationService.REPLICATIONUSER, guid, "systemMetadata");
|
|
920
|
|
|
921
|
} catch (Exception e) {
|
|
922
|
logMetacat.error("ReplicationHandler.handleSystemMetadata - "
|
|
923
|
+ ReplicationService.METACAT_REPL_ERROR_MSG);
|
|
924
|
logReplication
|
|
925
|
.error("ReplicationHandler.handleSystemMetadata - Failed to write system metadata "
|
|
926
|
+ guid + " into db because " + e.getMessage());
|
|
927
|
throw new HandlerException(
|
|
928
|
"ReplicationHandler.handleSystemMetadata - generic exception "
|
|
929
|
+ "writing Replication: " + e.getMessage());
|
|
930
|
}
|
|
931
|
|
|
932
|
}
|
|
933
|
|
|
934
|
/**
|
|
935
|
* updates xml_catalog with entries from other servers.
|
|
936
|
*/
|
|
937
|
private void updateCatalog()
|
|
938
|
{
|
|
939
|
logReplication.info("ReplicationHandler.updateCatalog - Start of updateCatalog");
|
|
940
|
// ReplicationServer object in server list
|
|
941
|
ReplicationServer replServer = null;
|
|
942
|
PreparedStatement pstmt = null;
|
|
943
|
String server = null;
|
|
944
|
|
|
945
|
|
|
946
|
// Go through each ReplicationServer object in sererlist
|
|
947
|
for (int j=0; j<serverList.size(); j++)
|
|
948
|
{
|
|
949
|
Vector<Vector<String>> remoteCatalog = new Vector<Vector<String>>();
|
|
950
|
Vector<String> publicId = new Vector<String>();
|
|
951
|
try
|
|
952
|
{
|
|
953
|
// Get ReplicationServer object from server list
|
|
954
|
replServer = serverList.serverAt(j);
|
|
955
|
// Get server name from the ReplicationServer object
|
|
956
|
server = replServer.getServerName();
|
|
957
|
// Try to get catalog
|
|
958
|
URL u = new URL("https://" + server + "?server="+
|
|
959
|
MetacatUtil.getLocalReplicationServerName()+"&action=getcatalog");
|
|
960
|
logReplication.info("ReplicationHandler.updateCatalog - sending message " + u.toString());
|
|
961
|
String catxml = ReplicationService.getURLContent(u);
|
|
962
|
|
|
963
|
// Make sure there are not error, no empty string
|
|
964
|
if (catxml.indexOf("error")!=-1 || catxml==null||catxml.equals(""))
|
|
965
|
{
|
|
966
|
throw new Exception("Couldn't get catalog list form server " +server);
|
|
967
|
}
|
|
968
|
logReplication.debug("ReplicationHandler.updateCatalog - catxml: " + catxml);
|
|
969
|
CatalogMessageHandler cmh = new CatalogMessageHandler();
|
|
970
|
XMLReader catparser = initParser(cmh);
|
|
971
|
catparser.parse(new InputSource(new StringReader(catxml)));
|
|
972
|
//parse the returned catalog xml and put it into a vector
|
|
973
|
remoteCatalog = cmh.getCatalogVect();
|
|
974
|
|
|
975
|
// Make sure remoteCatalog is not empty
|
|
976
|
if (remoteCatalog.isEmpty())
|
|
977
|
{
|
|
978
|
throw new Exception("Couldn't get catalog list form server " +server);
|
|
979
|
}
|
|
980
|
|
|
981
|
String localcatxml = ReplicationService.getCatalogXML();
|
|
982
|
|
|
983
|
// Make sure local catalog is no empty
|
|
984
|
if (localcatxml==null||localcatxml.equals(""))
|
|
985
|
{
|
|
986
|
throw new Exception("Couldn't get catalog list form server " +server);
|
|
987
|
}
|
|
988
|
|
|
989
|
cmh = new CatalogMessageHandler();
|
|
990
|
catparser = initParser(cmh);
|
|
991
|
catparser.parse(new InputSource(new StringReader(localcatxml)));
|
|
992
|
Vector<Vector<String>> localCatalog = cmh.getCatalogVect();
|
|
993
|
|
|
994
|
//now we have the catalog from the remote server and this local server
|
|
995
|
//we now need to compare the two and merge the differences.
|
|
996
|
//the comparison is base on the public_id fields which is the 4th
|
|
997
|
//entry in each row vector.
|
|
998
|
publicId = new Vector<String>();
|
|
999
|
for(int i=0; i<localCatalog.size(); i++)
|
|
1000
|
{
|
|
1001
|
Vector<String> v = new Vector<String>(localCatalog.elementAt(i));
|
|
1002
|
logReplication.info("ReplicationHandler.updateCatalog - v1: " + v.toString());
|
|
1003
|
publicId.add(new String((String)v.elementAt(3)));
|
|
1004
|
}
|
|
1005
|
}//try
|
|
1006
|
catch (Exception e)
|
|
1007
|
{
|
|
1008
|
logMetacat.error("ReplicationHandler.updateCatalog - " + ReplicationService.METACAT_REPL_ERROR_MSG);
|
|
1009
|
logReplication.error("ReplicationHandler.updateCatalog - Failed to update catalog for server "+
|
|
1010
|
server + " because " +e.getMessage());
|
|
1011
|
}//catch
|
|
1012
|
|
|
1013
|
for(int i=0; i<remoteCatalog.size(); i++)
|
|
1014
|
{
|
|
1015
|
// DConnection
|
|
1016
|
DBConnection dbConn = null;
|
|
1017
|
// DBConnection checkout serial number
|
|
1018
|
int serialNumber = -1;
|
|
1019
|
try
|
|
1020
|
{
|
|
1021
|
dbConn=DBConnectionPool.
|
|
1022
|
getDBConnection("ReplicationHandler.updateCatalog");
|
|
1023
|
serialNumber=dbConn.getCheckOutSerialNumber();
|
|
1024
|
Vector<String> v = remoteCatalog.elementAt(i);
|
|
1025
|
//logMetacat.debug("v2: " + v.toString());
|
|
1026
|
//logMetacat.debug("i: " + i);
|
|
1027
|
//logMetacat.debug("remoteCatalog.size(): " + remoteCatalog.size());
|
|
1028
|
//logMetacat.debug("publicID: " + publicId.toString());
|
|
1029
|
logReplication.info
|
|
1030
|
("ReplicationHandler.updateCatalog - v.elementAt(3): " + (String)v.elementAt(3));
|
|
1031
|
if(!publicId.contains(v.elementAt(3)))
|
|
1032
|
{ //so we don't have this public id in our local table so we need to
|
|
1033
|
//add it.
|
|
1034
|
|
|
1035
|
// check where it is pointing first, before adding
|
|
1036
|
String entryType = (String)v.elementAt(0);
|
|
1037
|
if (entryType.equals(DocumentImpl.SCHEMA)) {
|
|
1038
|
String nameSpace = (String)v.elementAt(3);
|
|
1039
|
String schemaLocation = (String)v.elementAt(4);
|
|
1040
|
SchemaLocationResolver slr = new SchemaLocationResolver(nameSpace, schemaLocation);
|
|
1041
|
try {
|
|
1042
|
slr.resolveNameSpace();
|
|
1043
|
} catch (Exception e) {
|
|
1044
|
String msg = "Could not save remote schema to xml catalog. " + "nameSpace: " + nameSpace + " location: " + schemaLocation;
|
|
1045
|
logMetacat.error(msg, e);
|
|
1046
|
logReplication.error(msg, e);
|
|
1047
|
}
|
|
1048
|
// skip whatever else we were going to do
|
|
1049
|
continue;
|
|
1050
|
}
|
|
1051
|
|
|
1052
|
//logMetacat.debug("in if");
|
|
1053
|
StringBuffer sql = new StringBuffer();
|
|
1054
|
sql.append("insert into xml_catalog (entry_type, source_doctype, ");
|
|
1055
|
sql.append("target_doctype, public_id, system_id) values (?,?,?,");
|
|
1056
|
sql.append("?,?)");
|
|
1057
|
//logMetacat.debug("sql: " + sql.toString());
|
|
1058
|
pstmt = dbConn.prepareStatement(sql.toString());
|
|
1059
|
pstmt.setString(1, (String)v.elementAt(0));
|
|
1060
|
pstmt.setString(2, (String)v.elementAt(1));
|
|
1061
|
pstmt.setString(3, (String)v.elementAt(2));
|
|
1062
|
pstmt.setString(4, (String)v.elementAt(3));
|
|
1063
|
pstmt.setString(5, (String)v.elementAt(4));
|
|
1064
|
pstmt.execute();
|
|
1065
|
pstmt.close();
|
|
1066
|
logReplication.info("ReplicationHandler.updateCatalog - Success fully to insert new publicid "+
|
|
1067
|
(String)v.elementAt(3) + " from server"+server);
|
|
1068
|
}
|
|
1069
|
}
|
|
1070
|
catch(Exception e)
|
|
1071
|
{
|
|
1072
|
logMetacat.error("ReplicationHandler.updateCatalog - " + ReplicationService.METACAT_REPL_ERROR_MSG);
|
|
1073
|
logReplication.error("ReplicationHandler.updateCatalog - Failed to update catalog for server "+
|
|
1074
|
server + " because " +e.getMessage());
|
|
1075
|
}//catch
|
|
1076
|
finally
|
|
1077
|
{
|
|
1078
|
DBConnectionPool.returnDBConnection(dbConn, serialNumber);
|
|
1079
|
}//finally
|
|
1080
|
}//for remote catalog
|
|
1081
|
}//for server list
|
|
1082
|
logReplication.info("End of updateCatalog");
|
|
1083
|
}
|
|
1084
|
|
|
1085
|
/**
|
|
1086
|
* Method that returns true if docid has already been "deleted" from metacat.
|
|
1087
|
* This method really implements a truth table for deleted documents
|
|
1088
|
* The table is (a docid in one of the tables is represented by the X):
|
|
1089
|
* xml_docs xml_revs deleted?
|
|
1090
|
* ------------------------------------
|
|
1091
|
* X X FALSE
|
|
1092
|
* X _ FALSE
|
|
1093
|
* _ X TRUE
|
|
1094
|
* _ _ TRUE
|
|
1095
|
*/
|
|
1096
|
private static boolean alreadyDeleted(String docid) throws HandlerException
|
|
1097
|
{
|
|
1098
|
DBConnection dbConn = null;
|
|
1099
|
int serialNumber = -1;
|
|
1100
|
PreparedStatement pstmt = null;
|
|
1101
|
try
|
|
1102
|
{
|
|
1103
|
dbConn=DBConnectionPool.
|
|
1104
|
getDBConnection("ReplicationHandler.alreadyDeleted");
|
|
1105
|
serialNumber=dbConn.getCheckOutSerialNumber();
|
|
1106
|
boolean xml_docs = false;
|
|
1107
|
boolean xml_revs = false;
|
|
1108
|
|
|
1109
|
StringBuffer sb = new StringBuffer();
|
|
1110
|
sb.append("select docid from xml_revisions where docid like ? ");
|
|
1111
|
pstmt = dbConn.prepareStatement(sb.toString());
|
|
1112
|
pstmt.setString(1, docid);
|
|
1113
|
pstmt.execute();
|
|
1114
|
ResultSet rs = pstmt.getResultSet();
|
|
1115
|
boolean tablehasrows = rs.next();
|
|
1116
|
if(tablehasrows)
|
|
1117
|
{
|
|
1118
|
xml_revs = true;
|
|
1119
|
}
|
|
1120
|
|
|
1121
|
sb = new StringBuffer();
|
|
1122
|
sb.append("select docid from xml_documents where docid like '");
|
|
1123
|
sb.append(docid).append("'");
|
|
1124
|
pstmt.close();
|
|
1125
|
pstmt = dbConn.prepareStatement(sb.toString());
|
|
1126
|
//increase usage count
|
|
1127
|
dbConn.increaseUsageCount(1);
|
|
1128
|
pstmt.execute();
|
|
1129
|
rs = pstmt.getResultSet();
|
|
1130
|
tablehasrows = rs.next();
|
|
1131
|
pstmt.close();
|
|
1132
|
if(tablehasrows)
|
|
1133
|
{
|
|
1134
|
xml_docs = true;
|
|
1135
|
}
|
|
1136
|
|
|
1137
|
if(xml_docs && xml_revs)
|
|
1138
|
{
|
|
1139
|
return false;
|
|
1140
|
}
|
|
1141
|
else if(xml_docs && !xml_revs)
|
|
1142
|
{
|
|
1143
|
return false;
|
|
1144
|
}
|
|
1145
|
else if(!xml_docs && xml_revs)
|
|
1146
|
{
|
|
1147
|
return true;
|
|
1148
|
}
|
|
1149
|
else if(!xml_docs && !xml_revs)
|
|
1150
|
{
|
|
1151
|
return true;
|
|
1152
|
}
|
|
1153
|
}
|
|
1154
|
catch(Exception e)
|
|
1155
|
{
|
|
1156
|
logMetacat.error("ReplicationHandler.alreadyDeleted - " + ReplicationService.METACAT_REPL_ERROR_MSG);
|
|
1157
|
logReplication.error("ReplicationHandler.alreadyDeleted - general error in alreadyDeleted: " +
|
|
1158
|
e.getMessage());
|
|
1159
|
throw new HandlerException("ReplicationHandler.alreadyDeleted - general error: "
|
|
1160
|
+ e.getMessage());
|
|
1161
|
}
|
|
1162
|
finally
|
|
1163
|
{
|
|
1164
|
try
|
|
1165
|
{
|
|
1166
|
pstmt.close();
|
|
1167
|
}//try
|
|
1168
|
catch (SQLException ee)
|
|
1169
|
{
|
|
1170
|
logMetacat.error("ReplicationHandler.alreadyDeleted - " + ReplicationService.METACAT_REPL_ERROR_MSG);
|
|
1171
|
logReplication.error("ReplicationHandler.alreadyDeleted - Error in replicationHandler.alreadyDeleted "+
|
|
1172
|
"to close pstmt: "+ee.getMessage());
|
|
1173
|
throw new HandlerException("ReplicationHandler.alreadyDeleted - SQL error when closing prepared statement: "
|
|
1174
|
+ ee.getMessage());
|
|
1175
|
}//catch
|
|
1176
|
finally
|
|
1177
|
{
|
|
1178
|
DBConnectionPool.returnDBConnection(dbConn, serialNumber);
|
|
1179
|
}//finally
|
|
1180
|
}//finally
|
|
1181
|
return false;
|
|
1182
|
}
|
|
1183
|
|
|
1184
|
|
|
1185
|
/**
|
|
1186
|
* Method to initialize the message parser
|
|
1187
|
*/
|
|
1188
|
public static XMLReader initParser(DefaultHandler dh)
|
|
1189
|
throws HandlerException
|
|
1190
|
{
|
|
1191
|
XMLReader parser = null;
|
|
1192
|
|
|
1193
|
try {
|
|
1194
|
ContentHandler chandler = dh;
|
|
1195
|
|
|
1196
|
// Get an instance of the parser
|
|
1197
|
String parserName = PropertyService.getProperty("xml.saxparser");
|
|
1198
|
parser = XMLReaderFactory.createXMLReader(parserName);
|
|
1199
|
|
|
1200
|
// Turn off validation
|
|
1201
|
parser.setFeature("http://xml.org/sax/features/validation", false);
|
|
1202
|
|
|
1203
|
parser.setContentHandler((ContentHandler)chandler);
|
|
1204
|
parser.setErrorHandler((ErrorHandler)chandler);
|
|
1205
|
|
|
1206
|
} catch (SAXException se) {
|
|
1207
|
throw new HandlerException("ReplicationHandler.initParser - Sax error when "
|
|
1208
|
+ " initializing parser: " + se.getMessage());
|
|
1209
|
} catch (PropertyNotFoundException pnfe) {
|
|
1210
|
throw new HandlerException("ReplicationHandler.initParser - Property error when "
|
|
1211
|
+ " getting parser name: " + pnfe.getMessage());
|
|
1212
|
}
|
|
1213
|
|
|
1214
|
return parser;
|
|
1215
|
}
|
|
1216
|
|
|
1217
|
/**
|
|
1218
|
* This method will combine given time string(in short format) to current
|
|
1219
|
* date. If the given time (e.g 10:00 AM) passed the current time (e.g 2:00
|
|
1220
|
* PM Aug 21, 2005), then the time will set to second day, 10:00 AM Aug 22,
|
|
1221
|
* 2005. If the given time (e.g 10:00 AM) haven't passed the current time
|
|
1222
|
* (e.g 8:00 AM Aug 21, 2005) The time will set to be 10:00 AM Aug 21, 2005.
|
|
1223
|
*
|
|
1224
|
* @param givenTime
|
|
1225
|
* the format should be "10:00 AM " or "2:00 PM"
|
|
1226
|
* @return
|
|
1227
|
* @throws Exception
|
|
1228
|
*/
|
|
1229
|
public static Date combinateCurrentDateAndGivenTime(String givenTime) throws HandlerException
|
|
1230
|
{
|
|
1231
|
try {
|
|
1232
|
Date givenDate = parseTime(givenTime);
|
|
1233
|
Date newDate = null;
|
|
1234
|
Date now = new Date();
|
|
1235
|
String currentTimeString = getTimeString(now);
|
|
1236
|
Date currentTime = parseTime(currentTimeString);
|
|
1237
|
if ( currentTime.getTime() >= givenDate.getTime())
|
|
1238
|
{
|
|
1239
|
logReplication.info("ReplicationHandler.combinateCurrentDateAndGivenTime - Today already pass the given time, we should set it as tomorrow");
|
|
1240
|
String dateAndTime = getDateString(now) + " " + givenTime;
|
|
1241
|
Date combinationDate = parseDateTime(dateAndTime);
|
|
1242
|
// new date should plus 24 hours to make is the second day
|
|
1243
|
newDate = new Date(combinationDate.getTime()+24*3600*1000);
|
|
1244
|
}
|
|
1245
|
else
|
|
1246
|
{
|
|
1247
|
logReplication.info("ReplicationHandler.combinateCurrentDateAndGivenTime - Today haven't pass the given time, we should it as today");
|
|
1248
|
String dateAndTime = getDateString(now) + " " + givenTime;
|
|
1249
|
newDate = parseDateTime(dateAndTime);
|
|
1250
|
}
|
|
1251
|
logReplication.warn("ReplicationHandler.combinateCurrentDateAndGivenTime - final setting time is "+ newDate.toString());
|
|
1252
|
return newDate;
|
|
1253
|
} catch (ParseException pe) {
|
|
1254
|
throw new HandlerException("ReplicationHandler.combinateCurrentDateAndGivenTime - "
|
|
1255
|
+ "parsing error: " + pe.getMessage());
|
|
1256
|
}
|
|
1257
|
}
|
|
1258
|
|
|
1259
|
/*
|
|
1260
|
* parse a given string to Time in short format. For example, given time is
|
|
1261
|
* 10:00 AM, the date will be return as Jan 1 1970, 10:00 AM
|
|
1262
|
*/
|
|
1263
|
private static Date parseTime(String timeString) throws ParseException
|
|
1264
|
{
|
|
1265
|
DateFormat format = DateFormat.getTimeInstance(DateFormat.SHORT);
|
|
1266
|
Date time = format.parse(timeString);
|
|
1267
|
logReplication.info("ReplicationHandler.parseTime - Date string is after parse a time string "
|
|
1268
|
+time.toString());
|
|
1269
|
return time;
|
|
1270
|
|
|
1271
|
}
|
|
1272
|
|
|
1273
|
/*
|
|
1274
|
* Parse a given string to date and time. Date format is long and time
|
|
1275
|
* format is short.
|
|
1276
|
*/
|
|
1277
|
private static Date parseDateTime(String timeString) throws ParseException
|
|
1278
|
{
|
|
1279
|
DateFormat format = DateFormat.getDateTimeInstance(DateFormat.LONG, DateFormat.SHORT);
|
|
1280
|
Date time = format.parse(timeString);
|
|
1281
|
logReplication.info("ReplicationHandler.parseDateTime - Date string is after parse a time string "+
|
|
1282
|
time.toString());
|
|
1283
|
return time;
|
|
1284
|
}
|
|
1285
|
|
|
1286
|
/*
|
|
1287
|
* Get a date string from a Date object. The date format will be long
|
|
1288
|
*/
|
|
1289
|
private static String getDateString(Date now)
|
|
1290
|
{
|
|
1291
|
DateFormat df = DateFormat.getDateInstance(DateFormat.LONG);
|
|
1292
|
String s = df.format(now);
|
|
1293
|
logReplication.info("ReplicationHandler.getDateString - Today is " + s);
|
|
1294
|
return s;
|
|
1295
|
}
|
|
1296
|
|
|
1297
|
/*
|
|
1298
|
* Get a time string from a Date object, the time format will be short
|
|
1299
|
*/
|
|
1300
|
private static String getTimeString(Date now)
|
|
1301
|
{
|
|
1302
|
DateFormat df = DateFormat.getTimeInstance(DateFormat.SHORT);
|
|
1303
|
String s = df.format(now);
|
|
1304
|
logReplication.info("ReplicationHandler.getTimeString - Time is " + s);
|
|
1305
|
return s;
|
|
1306
|
}
|
|
1307
|
|
|
1308
|
|
|
1309
|
/*
|
|
1310
|
* This method will go through the docid list both in xml_Documents table
|
|
1311
|
* and in xml_revisions table @author tao
|
|
1312
|
*/
|
|
1313
|
private void handleDocList(Vector<Vector<String>> docList, String tableName) {
|
|
1314
|
boolean dataFile = false;
|
|
1315
|
for (int j = 0; j < docList.size(); j++) {
|
|
1316
|
// initial dataFile is false
|
|
1317
|
dataFile = false;
|
|
1318
|
// w is information for one document, information contain
|
|
1319
|
// docid, rev, server or datafile.
|
|
1320
|
Vector<String> w = new Vector<String>(docList.elementAt(j));
|
|
1321
|
// Check if the vector w contain "datafile"
|
|
1322
|
// If it has, this document is data file
|
|
1323
|
try {
|
|
1324
|
if (w.contains((String) PropertyService.getProperty("replication.datafileflag"))) {
|
|
1325
|
dataFile = true;
|
|
1326
|
}
|
|
1327
|
} catch (PropertyNotFoundException pnfe) {
|
|
1328
|
logMetacat.error("ReplicationHandler.handleDocList - " + ReplicationService.METACAT_REPL_ERROR_MSG);
|
|
1329
|
logReplication.error("ReplicationHandler.handleDocList - Could not retrieve data file flag property. "
|
|
1330
|
+ "Leaving as false: " + pnfe.getMessage());
|
|
1331
|
}
|
|
1332
|
// logMetacat.debug("w: " + w.toString());
|
|
1333
|
// Get docid
|
|
1334
|
String docid = (String) w.elementAt(0);
|
|
1335
|
logReplication.info("docid: " + docid);
|
|
1336
|
// Get revision number
|
|
1337
|
int rev = Integer.parseInt((String) w.elementAt(1));
|
|
1338
|
logReplication.info("rev: " + rev);
|
|
1339
|
// Get remote server name (it is may not be doc home server because
|
|
1340
|
// the new hub feature
|
|
1341
|
String remoteServer = (String) w.elementAt(2);
|
|
1342
|
remoteServer = remoteServer.trim();
|
|
1343
|
|
|
1344
|
try {
|
|
1345
|
if (tableName.equals(DocumentImpl.DOCUMENTTABLE)) {
|
|
1346
|
handleDocInXMLDocuments(docid, rev, remoteServer, dataFile);
|
|
1347
|
} else if (tableName.equals(DocumentImpl.REVISIONTABLE)) {
|
|
1348
|
handleDocInXMLRevisions(docid, rev, remoteServer, dataFile);
|
|
1349
|
} else {
|
|
1350
|
continue;
|
|
1351
|
}
|
|
1352
|
|
|
1353
|
} catch (Exception e) {
|
|
1354
|
logMetacat.error("ReplicationHandler.handleDocList - " + ReplicationService.METACAT_REPL_ERROR_MSG);
|
|
1355
|
logReplication.error("ReplicationHandler.handleDocList - error to handle update doc in " + tableName
|
|
1356
|
+ " in time replication" + e.getMessage(), e);
|
|
1357
|
continue;
|
|
1358
|
}
|
|
1359
|
|
|
1360
|
if (_xmlDocQueryCount > 0 && (_xmlDocQueryCount % 100) == 0) {
|
|
1361
|
logMetacat.debug("ReplicationHandler.update - xml_doc query count: " + _xmlDocQueryCount +
|
|
1362
|
", xml_doc avg query time: " + (_xmlDocQueryTime / _xmlDocQueryCount));
|
|
1363
|
}
|
|
1364
|
|
|
1365
|
if (_xmlRevQueryCount > 0 && (_xmlRevQueryCount % 100) == 0) {
|
|
1366
|
logMetacat.debug("ReplicationHandler.update - xml_rev query count: " + _xmlRevQueryCount +
|
|
1367
|
", xml_rev avg query time: " + (_xmlRevQueryTime / _xmlRevQueryCount));
|
|
1368
|
}
|
|
1369
|
|
|
1370
|
}// for update docs
|
|
1371
|
|
|
1372
|
}
|
|
1373
|
|
|
1374
|
/*
|
|
1375
|
* This method will handle doc in xml_documents table.
|
|
1376
|
*/
|
|
1377
|
private void handleDocInXMLDocuments(String docid, int rev, String remoteServer, boolean dataFile)
|
|
1378
|
throws HandlerException
|
|
1379
|
{
|
|
1380
|
// compare the update rev and local rev to see what need happen
|
|
1381
|
int localrev = -1;
|
|
1382
|
String action = null;
|
|
1383
|
boolean flag = false;
|
|
1384
|
try
|
|
1385
|
{
|
|
1386
|
long docQueryStartTime = System.currentTimeMillis();
|
|
1387
|
localrev = DBUtil.getLatestRevisionInDocumentTable(docid);
|
|
1388
|
long docQueryEndTime = System.currentTimeMillis();
|
|
1389
|
_xmlDocQueryTime += (docQueryEndTime - docQueryStartTime);
|
|
1390
|
_xmlDocQueryCount++;
|
|
1391
|
}
|
|
1392
|
catch (SQLException e)
|
|
1393
|
{
|
|
1394
|
logMetacat.error("ReplicationHandler.handleDocInXMLDocuments - " + ReplicationService.METACAT_REPL_ERROR_MSG);
|
|
1395
|
logReplication.error("ReplicationHandler.handleDocInXMLDocuments - Local rev for docid "+ docid + " could not "+
|
|
1396
|
" be found because " + e.getMessage());
|
|
1397
|
logReplication.error("ReplicationHandler.handleDocInXMLDocuments - " + DOCERRORNUMBER+"Docid "+ docid + " could not be "+
|
|
1398
|
"written because error happend to find it's local revision");
|
|
1399
|
DOCERRORNUMBER++;
|
|
1400
|
throw new HandlerException ("ReplicationHandler.handleDocInXMLDocuments - Local rev for docid "+ docid + " could not "+
|
|
1401
|
" be found: " + e.getMessage());
|
|
1402
|
}
|
|
1403
|
logReplication.info("ReplicationHandler.handleDocInXMLDocuments - Local rev for docid "+ docid + " is "+
|
|
1404
|
localrev);
|
|
1405
|
|
|
1406
|
//check the revs for an update because this document is in the
|
|
1407
|
//local DB, it might be out of date.
|
|
1408
|
if (localrev == -1)
|
|
1409
|
{
|
|
1410
|
// check if the revision is in the revision table
|
|
1411
|
Vector<Integer> localRevVector = null;
|
|
1412
|
try {
|
|
1413
|
long revQueryStartTime = System.currentTimeMillis();
|
|
1414
|
localRevVector = DBUtil.getRevListFromRevisionTable(docid);
|
|
1415
|
long revQueryEndTime = System.currentTimeMillis();
|
|
1416
|
_xmlRevQueryTime += (revQueryEndTime - revQueryStartTime);
|
|
1417
|
_xmlRevQueryCount++;
|
|
1418
|
} catch (SQLException sqle) {
|
|
1419
|
throw new HandlerException("ReplicationHandler.handleDocInXMLDocuments - SQL error "
|
|
1420
|
+ " when getting rev list for docid: " + docid + " : " + sqle.getMessage());
|
|
1421
|
}
|
|
1422
|
if (localRevVector != null && localRevVector.contains(new Integer(rev)))
|
|
1423
|
{
|
|
1424
|
// this version was deleted, so don't need replicate
|
|
1425
|
flag = false;
|
|
1426
|
}
|
|
1427
|
else
|
|
1428
|
{
|
|
1429
|
//insert this document as new because it is not in the local DB
|
|
1430
|
action = "INSERT";
|
|
1431
|
flag = true;
|
|
1432
|
}
|
|
1433
|
}
|
|
1434
|
else
|
|
1435
|
{
|
|
1436
|
if(localrev == rev)
|
|
1437
|
{
|
|
1438
|
// Local meatacat has the same rev to remote host, don't need
|
|
1439
|
// update and flag set false
|
|
1440
|
flag = false;
|
|
1441
|
}
|
|
1442
|
else if(localrev < rev)
|
|
1443
|
{
|
|
1444
|
//this document needs to be updated so send an read request
|
|
1445
|
action = "UPDATE";
|
|
1446
|
flag = true;
|
|
1447
|
}
|
|
1448
|
}
|
|
1449
|
|
|
1450
|
String accNumber = null;
|
|
1451
|
try {
|
|
1452
|
accNumber = docid + PropertyService.getProperty("document.accNumSeparator") + rev;
|
|
1453
|
} catch (PropertyNotFoundException pnfe) {
|
|
1454
|
throw new HandlerException("ReplicationHandler.handleDocInXMLDocuments - error getting "
|
|
1455
|
+ "account number separator : " + pnfe.getMessage());
|
|
1456
|
}
|
|
1457
|
// this is non-data file
|
|
1458
|
if(flag && !dataFile)
|
|
1459
|
{
|
|
1460
|
try
|
|
1461
|
{
|
|
1462
|
handleSingleXMLDocument(remoteServer, action, accNumber, DocumentImpl.DOCUMENTTABLE);
|
|
1463
|
}
|
|
1464
|
catch(HandlerException he)
|
|
1465
|
{
|
|
1466
|
// skip this document
|
|
1467
|
throw he;
|
|
1468
|
}
|
|
1469
|
}//if for non-data file
|
|
1470
|
|
|
1471
|
// this is for data file
|
|
1472
|
if(flag && dataFile)
|
|
1473
|
{
|
|
1474
|
try
|
|
1475
|
{
|
|
1476
|
handleSingleDataFile(remoteServer, action, accNumber, DocumentImpl.DOCUMENTTABLE);
|
|
1477
|
}
|
|
1478
|
catch(HandlerException he)
|
|
1479
|
{
|
|
1480
|
// skip this data file
|
|
1481
|
throw he;
|
|
1482
|
}
|
|
1483
|
|
|
1484
|
}//for data file
|
|
1485
|
}
|
|
1486
|
|
|
1487
|
/*
|
|
1488
|
* This method will handle doc in xml_documents table.
|
|
1489
|
*/
|
|
1490
|
private void handleDocInXMLRevisions(String docid, int rev, String remoteServer, boolean dataFile)
|
|
1491
|
throws HandlerException
|
|
1492
|
{
|
|
1493
|
// compare the update rev and local rev to see what need happen
|
|
1494
|
logReplication.info("ReplicationHandler.handleDocInXMLRevisions - In handle repliation revsion table");
|
|
1495
|
logReplication.info("ReplicationHandler.handleDocInXMLRevisions - the docid is "+ docid);
|
|
1496
|
logReplication.info("ReplicationHandler.handleDocInXMLRevisions - The rev is "+rev);
|
|
1497
|
Vector<Integer> localrev = null;
|
|
1498
|
String action = "INSERT";
|
|
1499
|
boolean flag = false;
|
|
1500
|
try
|
|
1501
|
{
|
|
1502
|
long revQueryStartTime = System.currentTimeMillis();
|
|
1503
|
localrev = DBUtil.getRevListFromRevisionTable(docid);
|
|
1504
|
long revQueryEndTime = System.currentTimeMillis();
|
|
1505
|
_xmlRevQueryTime += (revQueryEndTime - revQueryStartTime);
|
|
1506
|
_xmlRevQueryCount++;
|
|
1507
|
}
|
|
1508
|
catch (SQLException sqle)
|
|
1509
|
{
|
|
1510
|
logMetacat.error("ReplicationHandler.handleDocInXMLDocuments - " + ReplicationService.METACAT_REPL_ERROR_MSG);
|
|
1511
|
logReplication.error("ReplicationHandler.handleDocInXMLRevisions - Local rev for docid "+ docid + " could not "+
|
|
1512
|
" be found because " + sqle.getMessage());
|
|
1513
|
REVERRORNUMBER++;
|
|
1514
|
throw new HandlerException ("ReplicationHandler.handleDocInXMLRevisions - SQL exception getting rev list: "
|
|
1515
|
+ sqle.getMessage());
|
|
1516
|
}
|
|
1517
|
logReplication.info("ReplicationHandler.handleDocInXMLRevisions - rev list in xml_revision table for docid "+ docid + " is "+
|
|
1518
|
localrev.toString());
|
|
1519
|
|
|
1520
|
// if the rev is not in the xml_revision, we need insert it
|
|
1521
|
if (!localrev.contains(new Integer(rev)))
|
|
1522
|
{
|
|
1523
|
flag = true;
|
|
1524
|
}
|
|
1525
|
|
|
1526
|
String accNumber = null;
|
|
1527
|
try {
|
|
1528
|
accNumber = docid + PropertyService.getProperty("document.accNumSeparator") + rev;
|
|
1529
|
} catch (PropertyNotFoundException pnfe) {
|
|
1530
|
throw new HandlerException("ReplicationHandler.handleDocInXMLRevisions - error getting "
|
|
1531
|
+ "account number separator : " + pnfe.getMessage());
|
|
1532
|
}
|
|
1533
|
// this is non-data file
|
|
1534
|
if(flag && !dataFile)
|
|
1535
|
{
|
|
1536
|
try
|
|
1537
|
{
|
|
1538
|
|
|
1539
|
handleSingleXMLDocument(remoteServer, action, accNumber, DocumentImpl.REVISIONTABLE);
|
|
1540
|
}
|
|
1541
|
catch(HandlerException he)
|
|
1542
|
{
|
|
1543
|
// skip this document
|
|
1544
|
throw he;
|
|
1545
|
}
|
|
1546
|
}//if for non-data file
|
|
1547
|
|
|
1548
|
// this is for data file
|
|
1549
|
if(flag && dataFile)
|
|
1550
|
{
|
|
1551
|
try
|
|
1552
|
{
|
|
1553
|
handleSingleDataFile(remoteServer, action, accNumber, DocumentImpl.REVISIONTABLE);
|
|
1554
|
}
|
|
1555
|
catch(HandlerException he)
|
|
1556
|
{
|
|
1557
|
// skip this data file
|
|
1558
|
throw he;
|
|
1559
|
}
|
|
1560
|
|
|
1561
|
}//for data file
|
|
1562
|
}
|
|
1563
|
|
|
1564
|
/*
|
|
1565
|
* Return a ip address for given url
|
|
1566
|
*/
|
|
1567
|
private String getIpFromURL(URL url)
|
|
1568
|
{
|
|
1569
|
String ip = null;
|
|
1570
|
try
|
|
1571
|
{
|
|
1572
|
InetAddress address = InetAddress.getByName(url.getHost());
|
|
1573
|
ip = address.getHostAddress();
|
|
1574
|
}
|
|
1575
|
catch(UnknownHostException e)
|
|
1576
|
{
|
|
1577
|
logMetacat.error("ReplicationHandler.getIpFromURL - " + ReplicationService.METACAT_REPL_ERROR_MSG);
|
|
1578
|
logReplication.error("ReplicationHandler.getIpFromURL - Error in get ip address for host: "
|
|
1579
|
+e.getMessage());
|
|
1580
|
}
|
|
1581
|
|
|
1582
|
return ip;
|
|
1583
|
}
|
|
1584
|
|
|
1585
|
}
|
|
1586
|
|