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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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* '$Author$'
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* '$Date$'
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* '$Revision$'
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669
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jones
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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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522
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berkley
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*/
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package edu.ucsb.nceas.metacat;
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import edu.ucsb.nceas.dbadapter.AbstractDatabase;
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import java.sql.*;
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import java.util.*;
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import java.util.Date;
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import java.lang.Thread;
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import java.io.*;
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import java.net.*;
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import java.text.*;
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sgarg
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import org.apache.log4j.Logger;
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import org.xml.sax.AttributeList;
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import org.xml.sax.ContentHandler;
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import org.xml.sax.DTDHandler;
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import org.xml.sax.EntityResolver;
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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.XMLReader;
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import org.xml.sax.SAXException;
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import org.xml.sax.SAXParseException;
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import org.xml.sax.helpers.XMLReaderFactory;
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import org.xml.sax.helpers.DefaultHandler;
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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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MetaCatUtil util = new MetaCatUtil();
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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 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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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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try
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{
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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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}//try
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catch (Exception e)
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{
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logMetacat.error("Error in replicationHandler.run():"
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+e.getMessage());
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e.printStackTrace();
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}//catch
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}
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/**
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* Method that uses revision taging 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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/*
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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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ReplMessageHandler message = new ReplMessageHandler();
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Vector responses = new Vector();
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XMLReader parser;
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URL u;
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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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MetacatReplication.replErrorLog("Failed to replicate becaue couldn't "+
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" initParser for message and" +e.getMessage());
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logMetacat.error("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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//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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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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String result = null;
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MetacatReplication.replLog("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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+util.getLocalReplicationServerName()+"&action=update");
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sgarg
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logMetacat.info("Sending infomation " +u.toString());
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result = MetacatReplication.getURLContent(u);
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}
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catch (Exception e)
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{
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1585
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MetacatReplication.replErrorLog("Failed to get updated doc list "+
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"for server " + server + " because "+e.getMessage());
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2663
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sgarg
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logMetacat.error( "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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2663
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sgarg
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logMetacat.info("docid: "+server+" "+result);
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1292
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//check if result have error or not, if has skip it.
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1609
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if (result.indexOf("<error>")!=-1 && result.indexOf("</error>")!=-1)
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1102
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{
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1585
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MetacatReplication.replErrorLog("Failed to get updated doc list "+
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"for server " + server + " because "+result);
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2663
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sgarg
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logMetacat.info( "Failed to get updated doc list "+
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188 |
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"for server " + server + " because "+result);
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189 |
1102
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tao
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continue;
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}
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191 |
1585
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tao
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//Add result to vector
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577
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berkley
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responses.add(result);
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tao
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}
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1585
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tao
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//make sure that there is updated file list
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196 |
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//If response is null, metacat don't need do anything
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197 |
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if (responses==null || responses.isEmpty())
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{
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199 |
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MetacatReplication.replErrorLog("No updated doc list for "+
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200 |
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"every server and failed to replicate");
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201 |
2663
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sgarg
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logMetacat.info( "No updated doc list for "+
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202 |
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"every server and failed to replicate");
|
203 |
1032
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tao
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return;
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204 |
1585
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tao
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}
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205 |
2286
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tao
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206 |
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207 |
2663
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sgarg
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logMetacat.info("Responses from remote metacat about updated "+
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208 |
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"document information: "+ responses.toString());
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209 |
1585
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tao
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// go through response vector(it contains updated vector and delete vector
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210 |
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for(int i=0; i<responses.size(); i++)
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211 |
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{
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212 |
1585
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tao
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try
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213 |
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{
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214 |
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parser.parse(new InputSource(
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215 |
577
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berkley
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new StringReader(
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216 |
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(String)(responses.elementAt(i)))));
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217 |
1585
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tao
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}
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218 |
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catch(Exception e)
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219 |
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{
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220 |
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MetacatReplication.replErrorLog("Couldn't parse one responses "+
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221 |
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"because "+ e.getMessage());
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222 |
2663
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sgarg
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logMetacat.error("Couldn't parse one responses "+
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223 |
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"because "+ e.getMessage());
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224 |
1585
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tao
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continue;
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225 |
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}
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226 |
1037
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tao
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//v is the list of updated documents
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227 |
1585
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tao
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Vector updateList = new Vector(message.getUpdatesVect());
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228 |
2725
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tao
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MetacatReplication.replLog("The document list size is "+updateList.size());
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229 |
577
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berkley
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//System.out.println("v: " + v.toString());
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230 |
1037
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tao
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//d is the list of deleted documents
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231 |
1585
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tao
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Vector deleteList = new Vector(message.getDeletesVect());
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232 |
1037
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tao
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//System.out.println("d: " + d.toString());
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233 |
2663
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sgarg
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logMetacat.info("Update vector size: "+ updateList.size());
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234 |
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logMetacat.info("Delete vector size: "+ deleteList.size());
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235 |
2725
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tao
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MetacatReplication.replLog("The delete document list size is "+deleteList.size());
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236 |
1585
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tao
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// go though every element in updated document vector
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237 |
2608
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tao
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handleDocList(updateList, DocumentImpl.DOCUMENTTABLE);
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238 |
1037
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tao
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//handle deleted docs
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239 |
1585
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tao
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for(int k=0; k<deleteList.size(); k++)
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240 |
577
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berkley
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{ //delete the deleted documents;
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241 |
1585
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tao
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Vector w = new Vector((Vector)deleteList.elementAt(k));
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242 |
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String docId = (String)w.elementAt(0);
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243 |
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try
|
244 |
579
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berkley
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{
|
245 |
2298
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tao
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handleDeleteSingleDocument(docId, server);
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246 |
579
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berkley
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}
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247 |
1585
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tao
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catch (Exception ee)
|
248 |
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{
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249 |
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continue;
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250 |
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}
|
251 |
1037
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tao
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}//for delete docs
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252 |
2608
|
tao
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253 |
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// handle replicate doc in xml_revision
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254 |
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Vector revisionList = new Vector(message.getRevisionsVect());
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255 |
2725
|
tao
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MetacatReplication.replLog("The revision document list size is "+revisionList.size());
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256 |
2608
|
tao
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handleDocList(revisionList, DocumentImpl.REVISIONTABLE);
|
257 |
2725
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tao
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DOCINSERTNUMBER = 1;
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258 |
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DOCERRORNUMBER = 1;
|
259 |
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REVINSERTNUMBER = 1;
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260 |
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REVERRORNUMBER = 1;
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261 |
1585
|
tao
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}//for response
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262 |
2286
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tao
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|
263 |
1585
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tao
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//updated last_checked
|
264 |
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for (int i=0;i<serverList.size(); i++)
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265 |
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{
|
266 |
|
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// Get ReplicationServer object from server list
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267 |
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replServer = serverList.serverAt(i);
|
268 |
|
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try
|
269 |
|
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{
|
270 |
|
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updateLastCheckTimeForSingleServer(replServer);
|
271 |
|
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}
|
272 |
|
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catch(Exception e)
|
273 |
|
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{
|
274 |
|
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continue;
|
275 |
|
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}
|
276 |
|
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}//for
|
277 |
2286
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tao
|
|
278 |
1585
|
tao
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}//update
|
279 |
2286
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tao
|
|
280 |
1585
|
tao
|
/* Handle replicate single xml document*/
|
281 |
2286
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tao
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private void handleSingleXMLDocument(String remoteserver, String actions,
|
282 |
2641
|
tao
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String accNumber, String tableName)
|
283 |
1585
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tao
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throws Exception
|
284 |
|
|
{
|
285 |
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DBConnection dbConn = null;
|
286 |
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int serialNumber = -1;
|
287 |
|
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try
|
288 |
|
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{
|
289 |
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// Get DBConnection from pool
|
290 |
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dbConn=DBConnectionPool.
|
291 |
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getDBConnection("ReplicationHandler.handleSingleXMLDocument");
|
292 |
|
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serialNumber=dbConn.getCheckOutSerialNumber();
|
293 |
|
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//if the document needs to be updated or inserted, this is executed
|
294 |
1600
|
tao
|
String readDocURLString = "https://" + remoteserver + "?server="+
|
295 |
2641
|
tao
|
util.getLocalReplicationServerName()+"&action=read&docid="+accNumber;
|
296 |
1600
|
tao
|
readDocURLString = MetaCatUtil.replaceWhiteSpaceForURL(readDocURLString);
|
297 |
|
|
URL u = new URL(readDocURLString);
|
298 |
2286
|
tao
|
|
299 |
1585
|
tao
|
// Get docid content
|
300 |
|
|
String newxmldoc = MetacatReplication.getURLContent(u);
|
301 |
|
|
// If couldn't get skip it
|
302 |
1609
|
tao
|
if ( newxmldoc.indexOf("<error>")!= -1 && newxmldoc.indexOf("</error>")!=-1)
|
303 |
1292
|
tao
|
{
|
304 |
1585
|
tao
|
throw new Exception(newxmldoc);
|
305 |
|
|
}
|
306 |
2663
|
sgarg
|
//logMetacat.info("xml documnet:");
|
307 |
|
|
//logMetacat.info(newxmldoc);
|
308 |
2286
|
tao
|
|
309 |
1585
|
tao
|
// Try get the docid info from remote server
|
310 |
|
|
DocInfoHandler dih = new DocInfoHandler();
|
311 |
|
|
XMLReader docinfoParser = initParser(dih);
|
312 |
2286
|
tao
|
String docInfoURLStr = "https://" + remoteserver +
|
313 |
1585
|
tao
|
"?server="+util.getLocalReplicationServerName()+
|
314 |
2641
|
tao
|
"&action=getdocumentinfo&docid="+accNumber;
|
315 |
1600
|
tao
|
docInfoURLStr = MetaCatUtil.replaceWhiteSpaceForURL(docInfoURLStr);
|
316 |
|
|
URL docinfoUrl = new URL(docInfoURLStr);
|
317 |
2663
|
sgarg
|
logMetacat.info("Sending message: " +
|
318 |
|
|
docinfoUrl.toString());
|
319 |
1585
|
tao
|
String docInfoStr = MetacatReplication.getURLContent(docinfoUrl);
|
320 |
|
|
docinfoParser.parse(new InputSource(new StringReader(docInfoStr)));
|
321 |
|
|
Hashtable docinfoHash = dih.getDocInfo();
|
322 |
|
|
// Get home server of the docid
|
323 |
|
|
String docHomeServer = (String)docinfoHash.get("home_server");
|
324 |
2663
|
sgarg
|
logMetacat.info("doc home server in repl: "+docHomeServer);
|
325 |
2624
|
tao
|
String createdDate = (String)docinfoHash.get("date_created");
|
326 |
|
|
String updatedDate = (String)docinfoHash.get("date_updated");
|
327 |
1585
|
tao
|
//docid should include rev number too
|
328 |
2641
|
tao
|
/*String accnum=docId+util.getOption("accNumSeparator")+
|
329 |
|
|
(String)docinfoHash.get("rev");*/
|
330 |
2663
|
sgarg
|
logMetacat.info("docid in repl: "+accNumber);
|
331 |
1585
|
tao
|
String docType = (String)docinfoHash.get("doctype");
|
332 |
2663
|
sgarg
|
logMetacat.info("doctype in repl: "+docType);
|
333 |
2286
|
tao
|
|
334 |
1585
|
tao
|
String parserBase = null;
|
335 |
|
|
// this for eml2 and we need user eml2 parser
|
336 |
2169
|
sgarg
|
if (docType != null && (docType.trim()).equals(DocumentImpl.EML2_0_0NAMESPACE))
|
337 |
1585
|
tao
|
{
|
338 |
2163
|
tao
|
parserBase = DocumentImpl.EML200;
|
339 |
1585
|
tao
|
}
|
340 |
2286
|
tao
|
else if (docType != null && (docType.trim()).equals(DocumentImpl.EML2_0_1NAMESPACE))
|
341 |
|
|
{
|
342 |
|
|
parserBase = DocumentImpl.EML200;
|
343 |
|
|
}
|
344 |
|
|
else if (docType != null && (docType.trim()).equals(DocumentImpl.EML2_1_0NAMESPACE))
|
345 |
|
|
{
|
346 |
|
|
parserBase = DocumentImpl.EML210;
|
347 |
|
|
}
|
348 |
1585
|
tao
|
// Write the document into local host
|
349 |
|
|
DocumentImplWrapper wrapper = new DocumentImplWrapper(parserBase, false);
|
350 |
2286
|
tao
|
String newDocid = wrapper.writeReplication(dbConn,
|
351 |
1585
|
tao
|
new StringReader(newxmldoc),
|
352 |
|
|
(String)docinfoHash.get("public_access"),
|
353 |
|
|
null, /* the dtd text */
|
354 |
2286
|
tao
|
actions,
|
355 |
2641
|
tao
|
accNumber,
|
356 |
1585
|
tao
|
(String)docinfoHash.get("user_owner"),
|
357 |
|
|
null, /* null for groups[] */
|
358 |
2286
|
tao
|
docHomeServer,
|
359 |
2624
|
tao
|
remoteserver, tableName, true,// true is for time replication
|
360 |
|
|
createdDate,
|
361 |
3230
|
tao
|
updatedDate);
|
362 |
2663
|
sgarg
|
logMetacat.info("Successfully replicated doc " + accNumber);
|
363 |
2725
|
tao
|
if (tableName.equals(DocumentImpl.DOCUMENTTABLE))
|
364 |
|
|
{
|
365 |
|
|
MetacatReplication.replLog("" +DOCINSERTNUMBER + " Wrote xml doc " + accNumber +
|
366 |
|
|
" into "+tableName + " from " +
|
367 |
1585
|
tao
|
remoteserver);
|
368 |
2725
|
tao
|
DOCINSERTNUMBER++;
|
369 |
|
|
}
|
370 |
|
|
else
|
371 |
|
|
{
|
372 |
|
|
MetacatReplication.replLog("" +REVINSERTNUMBER + " Wrote xml doc " + accNumber +
|
373 |
|
|
" into "+tableName + " from " +
|
374 |
|
|
remoteserver);
|
375 |
|
|
REVINSERTNUMBER++;
|
376 |
|
|
}
|
377 |
3234
|
tao
|
String ip = getIpFromURL(u);
|
378 |
|
|
EventLog.getInstance().log(ip, MetacatReplication.REPLICATIONUSER, accNumber, actions);
|
379 |
2725
|
tao
|
|
380 |
2286
|
tao
|
|
381 |
|
|
}//try
|
382 |
577
|
berkley
|
catch(Exception e)
|
383 |
|
|
{
|
384 |
2725
|
tao
|
|
385 |
|
|
if (tableName.equals(DocumentImpl.DOCUMENTTABLE))
|
386 |
|
|
{
|
387 |
|
|
MetacatReplication.replErrorLog("" +DOCERRORNUMBER + " Failed to write xml doc " + accNumber +
|
388 |
|
|
" into "+tableName + " from " +
|
389 |
|
|
remoteserver + " because "+e.getMessage());
|
390 |
|
|
DOCERRORNUMBER++;
|
391 |
|
|
}
|
392 |
|
|
else
|
393 |
|
|
{
|
394 |
2739
|
tao
|
MetacatReplication.replErrorLog("" +REVERRORNUMBER + " Failed to write xml doc " + accNumber +
|
395 |
2725
|
tao
|
" into "+tableName + " from " +
|
396 |
|
|
remoteserver +" because "+e.getMessage());
|
397 |
|
|
REVERRORNUMBER++;
|
398 |
|
|
}
|
399 |
|
|
|
400 |
2663
|
sgarg
|
logMetacat.error("Failed to write doc " + accNumber +
|
401 |
|
|
" into db because " +e.getMessage());
|
402 |
1585
|
tao
|
throw e;
|
403 |
577
|
berkley
|
}
|
404 |
667
|
berkley
|
finally
|
405 |
|
|
{
|
406 |
1585
|
tao
|
//return DBConnection
|
407 |
|
|
DBConnectionPool.returnDBConnection(dbConn, serialNumber);
|
408 |
|
|
}//finally
|
409 |
|
|
}
|
410 |
2286
|
tao
|
|
411 |
|
|
|
412 |
|
|
|
413 |
1585
|
tao
|
/* Handle replicate single xml document*/
|
414 |
2286
|
tao
|
private void handleSingleDataFile(String remoteserver, String actions,
|
415 |
2641
|
tao
|
String accNumber, String tableName)
|
416 |
1585
|
tao
|
throws Exception
|
417 |
|
|
{
|
418 |
2663
|
sgarg
|
logMetacat.info("Try to replicate data file: "+accNumber);
|
419 |
1585
|
tao
|
DBConnection dbConn = null;
|
420 |
|
|
int serialNumber = -1;
|
421 |
|
|
try
|
422 |
|
|
{
|
423 |
|
|
// Get DBConnection from pool
|
424 |
|
|
dbConn=DBConnectionPool.
|
425 |
|
|
getDBConnection("ReplicationHandler.handleSinlgeDataFile");
|
426 |
|
|
serialNumber=dbConn.getCheckOutSerialNumber();
|
427 |
|
|
// Try get docid info from remote server
|
428 |
|
|
DocInfoHandler dih = new DocInfoHandler();
|
429 |
|
|
XMLReader docinfoParser = initParser(dih);
|
430 |
2286
|
tao
|
String docInfoURLString = "https://" + remoteserver +
|
431 |
1585
|
tao
|
"?server="+util.getLocalReplicationServerName()+
|
432 |
2641
|
tao
|
"&action=getdocumentinfo&docid="+accNumber;
|
433 |
1600
|
tao
|
docInfoURLString = MetaCatUtil.replaceWhiteSpaceForURL(docInfoURLString);
|
434 |
|
|
URL docinfoUrl = new URL(docInfoURLString);
|
435 |
2286
|
tao
|
|
436 |
1585
|
tao
|
String docInfoStr = MetacatReplication.getURLContent(docinfoUrl);
|
437 |
|
|
docinfoParser.parse(new InputSource(new StringReader(docInfoStr)));
|
438 |
|
|
Hashtable docinfoHash = dih.getDocInfo();
|
439 |
|
|
// Get doicd owner
|
440 |
|
|
String user = (String)docinfoHash.get("user_owner");
|
441 |
|
|
// Get docid name (such as acl or dataset)
|
442 |
|
|
String docName = (String)docinfoHash.get("docname");
|
443 |
2286
|
tao
|
// Get doc type (eml public id)
|
444 |
1585
|
tao
|
String docType = (String)docinfoHash.get("doctype");
|
445 |
|
|
// Get docid home sever. it might be different to remoteserver
|
446 |
|
|
// becuause of hub feature
|
447 |
|
|
String docHomeServer = (String)docinfoHash.get("home_server");
|
448 |
2624
|
tao
|
String createdDate = (String)docinfoHash.get("date_created");
|
449 |
|
|
String updatedDate = (String)docinfoHash.get("date_updated");
|
450 |
1585
|
tao
|
//docid should include rev number too
|
451 |
2641
|
tao
|
/*String accnum=docId+util.getOption("accNumSeparator")+
|
452 |
|
|
(String)docinfoHash.get("rev");*/
|
453 |
2286
|
tao
|
|
454 |
|
|
|
455 |
1585
|
tao
|
String datafilePath = util.getOption("datafilepath");
|
456 |
|
|
// Get data file content
|
457 |
1600
|
tao
|
String readDataURLString = "https://" + remoteserver + "?server="+
|
458 |
1585
|
tao
|
util.getLocalReplicationServerName()+
|
459 |
2641
|
tao
|
"&action=readdata&docid="+accNumber;
|
460 |
1600
|
tao
|
readDataURLString = MetaCatUtil.replaceWhiteSpaceForURL(readDataURLString);
|
461 |
|
|
URL u = new URL(readDataURLString);
|
462 |
2286
|
tao
|
InputStream input = u.openStream();
|
463 |
1585
|
tao
|
//register data file into xml_documents table and wite data file
|
464 |
|
|
//into file system
|
465 |
1600
|
tao
|
if ( input != null)
|
466 |
667
|
berkley
|
{
|
467 |
2286
|
tao
|
DocumentImpl.writeDataFileInReplication(input,
|
468 |
2608
|
tao
|
datafilePath,
|
469 |
|
|
docName,docType,
|
470 |
2641
|
tao
|
accNumber, user,
|
471 |
2608
|
tao
|
docHomeServer,
|
472 |
|
|
remoteserver,
|
473 |
|
|
tableName,
|
474 |
2624
|
tao
|
true, //true means timed replication
|
475 |
|
|
createdDate,
|
476 |
3230
|
tao
|
updatedDate);
|
477 |
2624
|
tao
|
|
478 |
2663
|
sgarg
|
logMetacat.info("Successfully to write datafile " + accNumber);
|
479 |
2725
|
tao
|
/*MetacatReplication.replLog("wrote datafile " + accNumber + " from " +
|
480 |
|
|
remoteserver);*/
|
481 |
|
|
if (tableName.equals(DocumentImpl.DOCUMENTTABLE))
|
482 |
|
|
{
|
483 |
|
|
MetacatReplication.replLog("" +DOCINSERTNUMBER + " Wrote data file" + accNumber +
|
484 |
|
|
" into "+tableName + " from " +
|
485 |
|
|
remoteserver);
|
486 |
|
|
DOCINSERTNUMBER++;
|
487 |
|
|
}
|
488 |
|
|
else
|
489 |
|
|
{
|
490 |
|
|
MetacatReplication.replLog("" +REVINSERTNUMBER + " Wrote data file" + accNumber +
|
491 |
|
|
" into "+tableName + " from " +
|
492 |
|
|
remoteserver);
|
493 |
|
|
REVINSERTNUMBER++;
|
494 |
|
|
}
|
495 |
3234
|
tao
|
String ip = getIpFromURL(u);
|
496 |
|
|
EventLog.getInstance().log(ip, MetacatReplication.REPLICATIONUSER, accNumber, actions);
|
497 |
2725
|
tao
|
|
498 |
1585
|
tao
|
}//if
|
499 |
|
|
else
|
500 |
1217
|
tao
|
{
|
501 |
2663
|
sgarg
|
logMetacat.info("Couldn't open the data file: " + accNumber);
|
502 |
2641
|
tao
|
throw new Exception("Couldn't open the data file: " + accNumber);
|
503 |
1585
|
tao
|
}//else
|
504 |
2286
|
tao
|
|
505 |
|
|
}//try
|
506 |
1585
|
tao
|
catch(Exception e)
|
507 |
|
|
{
|
508 |
2725
|
tao
|
/*MetacatReplication.replErrorLog("Failed to try wrote datafile " + accNumber +
|
509 |
|
|
" because " +e.getMessage());*/
|
510 |
|
|
if (tableName.equals(DocumentImpl.DOCUMENTTABLE))
|
511 |
|
|
{
|
512 |
2740
|
tao
|
MetacatReplication.replErrorLog("" +DOCERRORNUMBER + " Failed to write data file " + accNumber +
|
513 |
2725
|
tao
|
" into "+tableName + " from " +
|
514 |
|
|
remoteserver + " because "+e.getMessage());
|
515 |
|
|
DOCERRORNUMBER++;
|
516 |
|
|
}
|
517 |
|
|
else
|
518 |
|
|
{
|
519 |
2740
|
tao
|
MetacatReplication.replErrorLog("" +REVERRORNUMBER + " Failed to write data file" + accNumber +
|
520 |
2725
|
tao
|
" into "+tableName + " from " +
|
521 |
|
|
remoteserver +" because "+e.getMessage());
|
522 |
|
|
REVERRORNUMBER++;
|
523 |
|
|
}
|
524 |
2663
|
sgarg
|
logMetacat.error("Failed to try wrote datafile " + accNumber +
|
525 |
|
|
" because " +e.getMessage());
|
526 |
1585
|
tao
|
throw e;
|
527 |
|
|
}
|
528 |
|
|
finally
|
529 |
|
|
{
|
530 |
|
|
//return DBConnection
|
531 |
|
|
DBConnectionPool.returnDBConnection(dbConn, serialNumber);
|
532 |
|
|
}//finally
|
533 |
|
|
}
|
534 |
2286
|
tao
|
|
535 |
|
|
|
536 |
|
|
|
537 |
1585
|
tao
|
/* Handle delete single document*/
|
538 |
2298
|
tao
|
private void handleDeleteSingleDocument(String docId, String notifyServer)
|
539 |
1585
|
tao
|
throws Exception
|
540 |
|
|
{
|
541 |
2663
|
sgarg
|
logMetacat.info("Try delete doc: "+docId);
|
542 |
1585
|
tao
|
DBConnection dbConn = null;
|
543 |
|
|
int serialNumber = -1;
|
544 |
|
|
try
|
545 |
|
|
{
|
546 |
|
|
// Get DBConnection from pool
|
547 |
|
|
dbConn=DBConnectionPool.
|
548 |
|
|
getDBConnection("ReplicationHandler.handleDeleteSingleDoc");
|
549 |
|
|
serialNumber=dbConn.getCheckOutSerialNumber();
|
550 |
|
|
if(!alreadyDeleted(docId))
|
551 |
1217
|
tao
|
{
|
552 |
2286
|
tao
|
|
553 |
1585
|
tao
|
//because delete method docid should have rev number
|
554 |
|
|
//so we just add one for it. This rev number is no sence.
|
555 |
|
|
String accnum=docId+util.getOption("accNumSeparator")+"1";
|
556 |
|
|
//System.out.println("accnum: "+accnum);
|
557 |
3230
|
tao
|
DocumentImpl.delete(accnum, null, null, notifyServer);
|
558 |
2663
|
sgarg
|
logMetacat.info("Successfully deleted doc " + docId);
|
559 |
1585
|
tao
|
MetacatReplication.replLog("Doc " + docId + " deleted");
|
560 |
3234
|
tao
|
URL u = new URL("https://"+notifyServer);
|
561 |
|
|
String ip = getIpFromURL(u);
|
562 |
|
|
EventLog.getInstance().log(ip, MetacatReplication.REPLICATIONUSER, docId, "delete");
|
563 |
1585
|
tao
|
}
|
564 |
2286
|
tao
|
|
565 |
|
|
}//try
|
566 |
1585
|
tao
|
catch(Exception e)
|
567 |
|
|
{
|
568 |
|
|
MetacatReplication.replErrorLog("Failed to delete doc " + docId +
|
569 |
|
|
" in db because " +e.getMessage());
|
570 |
2663
|
sgarg
|
logMetacat.error("Failed to delete doc " + docId +
|
571 |
|
|
" in db because because " + e.getMessage());
|
572 |
1585
|
tao
|
throw e;
|
573 |
|
|
}
|
574 |
|
|
finally
|
575 |
|
|
{
|
576 |
|
|
//return DBConnection
|
577 |
|
|
DBConnectionPool.returnDBConnection(dbConn, serialNumber);
|
578 |
1037
|
tao
|
}//finally
|
579 |
1585
|
tao
|
}
|
580 |
2286
|
tao
|
|
581 |
1585
|
tao
|
/* Handle updateLastCheckTimForSingleServer*/
|
582 |
2286
|
tao
|
private void updateLastCheckTimeForSingleServer(ReplicationServer repServer)
|
583 |
1585
|
tao
|
throws Exception
|
584 |
590
|
berkley
|
{
|
585 |
1585
|
tao
|
String server = repServer.getServerName();
|
586 |
1217
|
tao
|
DBConnection dbConn = null;
|
587 |
|
|
int serialNumber = -1;
|
588 |
|
|
PreparedStatement pstmt = null;
|
589 |
590
|
berkley
|
try
|
590 |
|
|
{
|
591 |
1585
|
tao
|
// Get DBConnection from pool
|
592 |
1217
|
tao
|
dbConn=DBConnectionPool.
|
593 |
1585
|
tao
|
getDBConnection("ReplicationHandler.updateLastCheckTimeForServer");
|
594 |
1217
|
tao
|
serialNumber=dbConn.getCheckOutSerialNumber();
|
595 |
2286
|
tao
|
|
596 |
2663
|
sgarg
|
logMetacat.info("Try to update last_check for server: "+server);
|
597 |
1585
|
tao
|
// Get time from remote server
|
598 |
|
|
URL dateurl = new URL("https://" + server + "?server="+
|
599 |
|
|
util.getLocalReplicationServerName()+"&action=gettime");
|
600 |
|
|
String datexml = MetacatReplication.getURLContent(dateurl);
|
601 |
2663
|
sgarg
|
logMetacat.info("datexml: "+datexml);
|
602 |
1585
|
tao
|
if (datexml!=null && !datexml.equals(""))
|
603 |
|
|
{
|
604 |
|
|
String datestr = datexml.substring(11, datexml.indexOf('<', 11));
|
605 |
|
|
StringBuffer sql = new StringBuffer();
|
606 |
1751
|
tao
|
/*sql.append("update xml_replication set last_checked = to_date('");
|
607 |
1585
|
tao
|
sql.append(datestr).append("', 'YY-MM-DD HH24:MI:SS') where ");
|
608 |
1751
|
tao
|
sql.append("server like '").append(server).append("'");*/
|
609 |
|
|
sql.append("update xml_replication set last_checked = ");
|
610 |
1753
|
tao
|
sql.append(dbAdapter.toDate(datestr, "MM/DD/YY HH24:MI:SS"));
|
611 |
1751
|
tao
|
sql.append(" where server like '").append(server).append("'");
|
612 |
1585
|
tao
|
pstmt = dbConn.prepareStatement(sql.toString());
|
613 |
2286
|
tao
|
|
614 |
1585
|
tao
|
pstmt.executeUpdate();
|
615 |
|
|
dbConn.commit();
|
616 |
|
|
pstmt.close();
|
617 |
2663
|
sgarg
|
logMetacat.info("last_checked updated to "+datestr+" on "
|
618 |
|
|
+ server);
|
619 |
1585
|
tao
|
}//if
|
620 |
|
|
else
|
621 |
|
|
{
|
622 |
2286
|
tao
|
|
623 |
2663
|
sgarg
|
logMetacat.info("Failed to update last_checked for server " +
|
624 |
2286
|
tao
|
server + " in db because couldn't get time "
|
625 |
2663
|
sgarg
|
);
|
626 |
1585
|
tao
|
throw new Exception("Couldn't get time for server "+ server);
|
627 |
|
|
}
|
628 |
2286
|
tao
|
|
629 |
|
|
}//try
|
630 |
1585
|
tao
|
catch(Exception e)
|
631 |
|
|
{
|
632 |
2286
|
tao
|
|
633 |
2663
|
sgarg
|
logMetacat.error("Failed to update last_checked for server " +
|
634 |
1585
|
tao
|
server + " in db because because " +
|
635 |
2663
|
sgarg
|
e.getMessage());
|
636 |
1585
|
tao
|
throw e;
|
637 |
|
|
}
|
638 |
|
|
finally
|
639 |
|
|
{
|
640 |
|
|
//return DBConnection
|
641 |
|
|
DBConnectionPool.returnDBConnection(dbConn, serialNumber);
|
642 |
|
|
}//finally
|
643 |
|
|
}
|
644 |
2286
|
tao
|
|
645 |
|
|
|
646 |
|
|
|
647 |
1585
|
tao
|
/**
|
648 |
|
|
* updates xml_catalog with entries from other servers.
|
649 |
|
|
*/
|
650 |
|
|
private void updateCatalog()
|
651 |
|
|
{
|
652 |
2663
|
sgarg
|
logMetacat.info("Start of updateCatalog");
|
653 |
1585
|
tao
|
// ReplicationServer object in server list
|
654 |
|
|
ReplicationServer replServer = null;
|
655 |
|
|
PreparedStatement pstmt = null;
|
656 |
|
|
String server = null;
|
657 |
2286
|
tao
|
|
658 |
|
|
|
659 |
1585
|
tao
|
// Go through each ReplicationServer object in sererlist
|
660 |
|
|
for (int j=0; j<serverList.size(); j++)
|
661 |
2286
|
tao
|
{
|
662 |
1585
|
tao
|
Vector remoteCatalog = new Vector();
|
663 |
|
|
Vector publicId = new Vector();
|
664 |
|
|
try
|
665 |
|
|
{
|
666 |
1292
|
tao
|
// Get ReplicationServer object from server list
|
667 |
|
|
replServer = serverList.serverAt(j);
|
668 |
|
|
// Get server name from the ReplicationServer object
|
669 |
|
|
server = replServer.getServerName();
|
670 |
|
|
// Try to get catalog
|
671 |
1011
|
tao
|
URL u = new URL("https://" + server + "?server="+
|
672 |
1015
|
tao
|
util.getLocalReplicationServerName()+"&action=getcatalog");
|
673 |
2663
|
sgarg
|
logMetacat.info("sending message " + u.toString());
|
674 |
590
|
berkley
|
String catxml = MetacatReplication.getURLContent(u);
|
675 |
2286
|
tao
|
|
676 |
1292
|
tao
|
// Make sure there are not error, no empty string
|
677 |
|
|
if (catxml.indexOf("error")!=-1 || catxml==null||catxml.equals(""))
|
678 |
|
|
{
|
679 |
1585
|
tao
|
throw new Exception("Couldn't get catalog list form server " +server);
|
680 |
1292
|
tao
|
}
|
681 |
2663
|
sgarg
|
logMetacat.info("catxml: " + catxml);
|
682 |
590
|
berkley
|
CatalogMessageHandler cmh = new CatalogMessageHandler();
|
683 |
|
|
XMLReader catparser = initParser(cmh);
|
684 |
|
|
catparser.parse(new InputSource(new StringReader(catxml)));
|
685 |
|
|
//parse the returned catalog xml and put it into a vector
|
686 |
1585
|
tao
|
remoteCatalog = cmh.getCatalogVect();
|
687 |
2286
|
tao
|
|
688 |
1292
|
tao
|
// Makse sure remoteCatalog is not empty
|
689 |
|
|
if (remoteCatalog.isEmpty())
|
690 |
|
|
{
|
691 |
1585
|
tao
|
throw new Exception("Couldn't get catalog list form server " +server);
|
692 |
1292
|
tao
|
}
|
693 |
2286
|
tao
|
|
694 |
590
|
berkley
|
String localcatxml = MetacatReplication.getCatalogXML();
|
695 |
2286
|
tao
|
|
696 |
1292
|
tao
|
// Make sure local catalog is no empty
|
697 |
|
|
if (localcatxml==null||localcatxml.equals(""))
|
698 |
|
|
{
|
699 |
1585
|
tao
|
throw new Exception("Couldn't get catalog list form server " +server);
|
700 |
1292
|
tao
|
}
|
701 |
2286
|
tao
|
|
702 |
590
|
berkley
|
cmh = new CatalogMessageHandler();
|
703 |
|
|
catparser = initParser(cmh);
|
704 |
|
|
catparser.parse(new InputSource(new StringReader(localcatxml)));
|
705 |
|
|
Vector localCatalog = cmh.getCatalogVect();
|
706 |
2286
|
tao
|
|
707 |
590
|
berkley
|
//now we have the catalog from the remote server and this local server
|
708 |
|
|
//we now need to compare the two and merge the differences.
|
709 |
|
|
//the comparison is base on the public_id fields which is the 4th
|
710 |
|
|
//entry in each row vector.
|
711 |
1585
|
tao
|
publicId = new Vector();
|
712 |
590
|
berkley
|
for(int i=0; i<localCatalog.size(); i++)
|
713 |
|
|
{
|
714 |
|
|
Vector v = new Vector((Vector)localCatalog.elementAt(i));
|
715 |
2663
|
sgarg
|
logMetacat.info("v1: " + v.toString());
|
716 |
590
|
berkley
|
publicId.add(new String((String)v.elementAt(3)));
|
717 |
595
|
berkley
|
//System.out.println("adding " + (String)v.elementAt(3));
|
718 |
590
|
berkley
|
}
|
719 |
1585
|
tao
|
}//try
|
720 |
|
|
catch (Exception e)
|
721 |
|
|
{
|
722 |
|
|
MetacatReplication.replErrorLog("Failed to update catalog for server "+
|
723 |
|
|
server + " because " +e.getMessage());
|
724 |
2663
|
sgarg
|
logMetacat.error("Failed to update catalog for server "+
|
725 |
|
|
server + " because " +e.getMessage());
|
726 |
1585
|
tao
|
}//catch
|
727 |
2286
|
tao
|
|
728 |
1585
|
tao
|
for(int i=0; i<remoteCatalog.size(); i++)
|
729 |
|
|
{
|
730 |
|
|
// DConnection
|
731 |
|
|
DBConnection dbConn = null;
|
732 |
|
|
// DBConnection checkout serial number
|
733 |
|
|
int serialNumber = -1;
|
734 |
|
|
try
|
735 |
590
|
berkley
|
{
|
736 |
1585
|
tao
|
dbConn=DBConnectionPool.
|
737 |
|
|
getDBConnection("ReplicationHandler.updateCatalog");
|
738 |
|
|
serialNumber=dbConn.getCheckOutSerialNumber();
|
739 |
|
|
Vector v = (Vector)remoteCatalog.elementAt(i);
|
740 |
|
|
//System.out.println("v2: " + v.toString());
|
741 |
|
|
//System.out.println("i: " + i);
|
742 |
|
|
//System.out.println("remoteCatalog.size(): " + remoteCatalog.size());
|
743 |
|
|
//System.out.println("publicID: " + publicId.toString());
|
744 |
2663
|
sgarg
|
logMetacat.info
|
745 |
|
|
("v.elementAt(3): " + (String)v.elementAt(3));
|
746 |
1585
|
tao
|
if(!publicId.contains(v.elementAt(3)))
|
747 |
|
|
{ //so we don't have this public id in our local table so we need to
|
748 |
|
|
//add it.
|
749 |
|
|
//System.out.println("in if");
|
750 |
|
|
StringBuffer sql = new StringBuffer();
|
751 |
|
|
sql.append("insert into xml_catalog (entry_type, source_doctype, ");
|
752 |
|
|
sql.append("target_doctype, public_id, system_id) values (?,?,?,");
|
753 |
|
|
sql.append("?,?)");
|
754 |
|
|
//System.out.println("sql: " + sql.toString());
|
755 |
|
|
pstmt = dbConn.prepareStatement(sql.toString());
|
756 |
|
|
pstmt.setString(1, (String)v.elementAt(0));
|
757 |
|
|
pstmt.setString(2, (String)v.elementAt(1));
|
758 |
|
|
pstmt.setString(3, (String)v.elementAt(2));
|
759 |
|
|
pstmt.setString(4, (String)v.elementAt(3));
|
760 |
|
|
pstmt.setString(5, (String)v.elementAt(4));
|
761 |
|
|
pstmt.execute();
|
762 |
|
|
pstmt.close();
|
763 |
|
|
MetacatReplication.replLog("Success fully to insert new publicid "+
|
764 |
|
|
(String)v.elementAt(3) + " from server"+server);
|
765 |
2663
|
sgarg
|
logMetacat.info("Success fully to insert new publicid "+
|
766 |
|
|
(String)v.elementAt(3) + " from server" +server);
|
767 |
1585
|
tao
|
}
|
768 |
590
|
berkley
|
}
|
769 |
1585
|
tao
|
catch(Exception e)
|
770 |
|
|
{
|
771 |
|
|
MetacatReplication.replErrorLog("Failed to update catalog for server "+
|
772 |
|
|
server + " because " +e.getMessage());
|
773 |
2663
|
sgarg
|
logMetacat.error("Failed to update catalog for server "+
|
774 |
|
|
server + " because " +e.getMessage());
|
775 |
1585
|
tao
|
}//catch
|
776 |
|
|
finally
|
777 |
|
|
{
|
778 |
|
|
DBConnectionPool.returnDBConnection(dbConn, serialNumber);
|
779 |
|
|
}//finall
|
780 |
|
|
}//for remote catalog
|
781 |
|
|
}//for server list
|
782 |
2663
|
sgarg
|
logMetacat.info("End of updateCatalog");
|
783 |
590
|
berkley
|
}
|
784 |
2286
|
tao
|
|
785 |
590
|
berkley
|
/**
|
786 |
579
|
berkley
|
* Method that returns true if docid has already been "deleted" from metacat.
|
787 |
582
|
berkley
|
* This method really implements a truth table for deleted documents
|
788 |
590
|
berkley
|
* The table is (a docid in one of the tables is represented by the X):
|
789 |
582
|
berkley
|
* xml_docs xml_revs deleted?
|
790 |
|
|
* ------------------------------------
|
791 |
|
|
* X X FALSE
|
792 |
|
|
* X _ FALSE
|
793 |
|
|
* _ X TRUE
|
794 |
|
|
* _ _ TRUE
|
795 |
579
|
berkley
|
*/
|
796 |
1585
|
tao
|
private static boolean alreadyDeleted(String docid) throws Exception
|
797 |
579
|
berkley
|
{
|
798 |
1217
|
tao
|
DBConnection dbConn = null;
|
799 |
|
|
int serialNumber = -1;
|
800 |
|
|
PreparedStatement pstmt = null;
|
801 |
579
|
berkley
|
try
|
802 |
|
|
{
|
803 |
1217
|
tao
|
dbConn=DBConnectionPool.
|
804 |
|
|
getDBConnection("ReplicationHandler.alreadyDeleted");
|
805 |
|
|
serialNumber=dbConn.getCheckOutSerialNumber();
|
806 |
582
|
berkley
|
boolean xml_docs = false;
|
807 |
|
|
boolean xml_revs = false;
|
808 |
2286
|
tao
|
|
809 |
579
|
berkley
|
StringBuffer sb = new StringBuffer();
|
810 |
582
|
berkley
|
sb.append("select docid from xml_revisions where docid like '");
|
811 |
579
|
berkley
|
sb.append(docid).append("'");
|
812 |
1217
|
tao
|
pstmt = dbConn.prepareStatement(sb.toString());
|
813 |
579
|
berkley
|
pstmt.execute();
|
814 |
|
|
ResultSet rs = pstmt.getResultSet();
|
815 |
|
|
boolean tablehasrows = rs.next();
|
816 |
|
|
if(tablehasrows)
|
817 |
|
|
{
|
818 |
582
|
berkley
|
xml_revs = true;
|
819 |
|
|
}
|
820 |
2286
|
tao
|
|
821 |
582
|
berkley
|
sb = new StringBuffer();
|
822 |
|
|
sb.append("select docid from xml_documents where docid like '");
|
823 |
|
|
sb.append(docid).append("'");
|
824 |
667
|
berkley
|
pstmt.close();
|
825 |
1217
|
tao
|
pstmt = dbConn.prepareStatement(sb.toString());
|
826 |
|
|
//increase usage count
|
827 |
|
|
dbConn.increaseUsageCount(1);
|
828 |
582
|
berkley
|
pstmt.execute();
|
829 |
|
|
rs = pstmt.getResultSet();
|
830 |
|
|
tablehasrows = rs.next();
|
831 |
667
|
berkley
|
pstmt.close();
|
832 |
582
|
berkley
|
if(tablehasrows)
|
833 |
|
|
{
|
834 |
|
|
xml_docs = true;
|
835 |
|
|
}
|
836 |
2286
|
tao
|
|
837 |
582
|
berkley
|
if(xml_docs && xml_revs)
|
838 |
|
|
{
|
839 |
|
|
return false;
|
840 |
|
|
}
|
841 |
|
|
else if(xml_docs && !xml_revs)
|
842 |
|
|
{
|
843 |
|
|
return false;
|
844 |
|
|
}
|
845 |
|
|
else if(!xml_docs && xml_revs)
|
846 |
|
|
{
|
847 |
579
|
berkley
|
return true;
|
848 |
|
|
}
|
849 |
582
|
berkley
|
else if(!xml_docs && !xml_revs)
|
850 |
|
|
{
|
851 |
|
|
return true;
|
852 |
|
|
}
|
853 |
579
|
berkley
|
}
|
854 |
|
|
catch(Exception e)
|
855 |
|
|
{
|
856 |
2663
|
sgarg
|
logMetacat.error("error in ReplicationHandler.alreadyDeleted: " +
|
857 |
|
|
e.getMessage());
|
858 |
1585
|
tao
|
throw e;
|
859 |
579
|
berkley
|
}
|
860 |
667
|
berkley
|
finally
|
861 |
|
|
{
|
862 |
1217
|
tao
|
try
|
863 |
|
|
{
|
864 |
|
|
pstmt.close();
|
865 |
|
|
}//try
|
866 |
|
|
catch (SQLException ee)
|
867 |
|
|
{
|
868 |
2663
|
sgarg
|
logMetacat.error("Error in replicationHandler.alreadyDeleted "+
|
869 |
|
|
"to close pstmt: "+ee.getMessage());
|
870 |
1585
|
tao
|
throw ee;
|
871 |
1217
|
tao
|
}//catch
|
872 |
|
|
finally
|
873 |
|
|
{
|
874 |
|
|
DBConnectionPool.returnDBConnection(dbConn, serialNumber);
|
875 |
|
|
}//finally
|
876 |
|
|
}//finally
|
877 |
579
|
berkley
|
return false;
|
878 |
|
|
}
|
879 |
533
|
berkley
|
|
880 |
2286
|
tao
|
|
881 |
533
|
berkley
|
/**
|
882 |
574
|
berkley
|
* Method to initialize the message parser
|
883 |
|
|
*/
|
884 |
|
|
public static XMLReader initParser(DefaultHandler dh)
|
885 |
|
|
throws Exception
|
886 |
|
|
{
|
887 |
|
|
XMLReader parser = null;
|
888 |
|
|
|
889 |
|
|
try {
|
890 |
|
|
ContentHandler chandler = dh;
|
891 |
|
|
|
892 |
|
|
// Get an instance of the parser
|
893 |
|
|
MetaCatUtil util = new MetaCatUtil();
|
894 |
|
|
String parserName = util.getOption("saxparser");
|
895 |
|
|
parser = XMLReaderFactory.createXMLReader(parserName);
|
896 |
|
|
|
897 |
|
|
// Turn off validation
|
898 |
|
|
parser.setFeature("http://xml.org/sax/features/validation", false);
|
899 |
2286
|
tao
|
|
900 |
574
|
berkley
|
parser.setContentHandler((ContentHandler)chandler);
|
901 |
|
|
parser.setErrorHandler((ErrorHandler)chandler);
|
902 |
|
|
|
903 |
|
|
} catch (Exception e) {
|
904 |
|
|
throw e;
|
905 |
|
|
}
|
906 |
|
|
|
907 |
|
|
return parser;
|
908 |
|
|
}
|
909 |
2286
|
tao
|
|
910 |
2555
|
tao
|
/**
|
911 |
|
|
* This method will combinate given time string(in short format) to
|
912 |
|
|
* current date. If the given time (e.g 10:00 AM) passed the current time
|
913 |
|
|
* (e.g 2:00 PM Aug 21, 2005), then the time will set to second day,
|
914 |
|
|
* 10:00 AM Aug 22, 2005. If the given time (e.g 10:00 AM) haven't passed
|
915 |
|
|
* the current time (e.g 8:00 AM Aug 21, 2005) The time will set to be
|
916 |
|
|
* 10:00 AM Aug 21, 2005.
|
917 |
|
|
* @param givenTime the format should be "10:00 AM " or "2:00 PM"
|
918 |
|
|
* @return
|
919 |
|
|
* @throws Exception
|
920 |
|
|
*/
|
921 |
|
|
public static Date combinateCurrentDateAndGivenTime(String givenTime) throws Exception
|
922 |
|
|
{
|
923 |
|
|
Date givenDate = parseTime(givenTime);
|
924 |
|
|
Date newDate = null;
|
925 |
|
|
Date now = new Date();
|
926 |
|
|
String currentTimeString = getTimeString(now);
|
927 |
|
|
Date currentTime = parseTime(currentTimeString);
|
928 |
|
|
if ( currentTime.getTime() >= givenDate.getTime())
|
929 |
|
|
{
|
930 |
2663
|
sgarg
|
logMetacat.info("Today already pass the given time, we should set it as tomorrow");
|
931 |
2555
|
tao
|
String dateAndTime = getDateString(now) + " " + givenTime;
|
932 |
|
|
Date combinationDate = parseDateTime(dateAndTime);
|
933 |
|
|
// new date should plus 24 hours to make is the second day
|
934 |
|
|
newDate = new Date(combinationDate.getTime()+24*3600*1000);
|
935 |
|
|
}
|
936 |
|
|
else
|
937 |
|
|
{
|
938 |
2663
|
sgarg
|
logMetacat.info("Today haven't pass the given time, we should it as today");
|
939 |
2555
|
tao
|
String dateAndTime = getDateString(now) + " " + givenTime;
|
940 |
|
|
newDate = parseDateTime(dateAndTime);
|
941 |
|
|
}
|
942 |
2663
|
sgarg
|
logMetacat.warn("final setting time is "+ newDate.toString());
|
943 |
2555
|
tao
|
return newDate;
|
944 |
|
|
}
|
945 |
2286
|
tao
|
|
946 |
2555
|
tao
|
/*
|
947 |
|
|
* parse a given string to Time in short format.
|
948 |
|
|
* For example, given time is 10:00 AM, the date will be return as
|
949 |
|
|
* Jan 1 1970, 10:00 AM
|
950 |
|
|
*/
|
951 |
|
|
private static Date parseTime(String timeString) throws Exception
|
952 |
|
|
{
|
953 |
|
|
DateFormat format = DateFormat.getTimeInstance(DateFormat.SHORT);
|
954 |
|
|
Date time = format.parse(timeString);
|
955 |
2663
|
sgarg
|
logMetacat.info("Date string is after parse a time string "
|
956 |
|
|
+time.toString());
|
957 |
2555
|
tao
|
return time;
|
958 |
|
|
|
959 |
|
|
}
|
960 |
|
|
|
961 |
|
|
/*
|
962 |
|
|
* Pasre a given string to date and time. Date format is long and time
|
963 |
|
|
* format is short.
|
964 |
|
|
*/
|
965 |
|
|
private static Date parseDateTime(String timeString) throws Exception
|
966 |
|
|
{
|
967 |
|
|
DateFormat format = DateFormat.getDateTimeInstance(DateFormat.LONG, DateFormat.SHORT);
|
968 |
|
|
Date time = format.parse(timeString);
|
969 |
2663
|
sgarg
|
logMetacat.info("Date string is after parse a time string "+
|
970 |
|
|
time.toString());
|
971 |
2555
|
tao
|
return time;
|
972 |
|
|
}
|
973 |
|
|
|
974 |
|
|
/*
|
975 |
|
|
* Get a date string from a Date object. The date format will be long
|
976 |
|
|
*/
|
977 |
|
|
private static String getDateString(Date now)
|
978 |
|
|
{
|
979 |
|
|
DateFormat df = DateFormat.getDateInstance(DateFormat.LONG);
|
980 |
|
|
String s = df.format(now);
|
981 |
2663
|
sgarg
|
logMetacat.info("Today is " + s);
|
982 |
2555
|
tao
|
return s;
|
983 |
|
|
}
|
984 |
|
|
|
985 |
|
|
/*
|
986 |
|
|
* Get a time string from a Date object, the time format will be short
|
987 |
|
|
*/
|
988 |
|
|
private static String getTimeString(Date now)
|
989 |
|
|
{
|
990 |
|
|
DateFormat df = DateFormat.getTimeInstance(DateFormat.SHORT);
|
991 |
|
|
String s = df.format(now);
|
992 |
2663
|
sgarg
|
logMetacat.info("Time is " + s);
|
993 |
2555
|
tao
|
return s;
|
994 |
|
|
}
|
995 |
2608
|
tao
|
|
996 |
|
|
|
997 |
|
|
/*
|
998 |
|
|
* This method will go through the docid list both in xml_Documents table
|
999 |
|
|
* and in xml_revisions table
|
1000 |
|
|
* @author tao
|
1001 |
|
|
*/
|
1002 |
|
|
private void handleDocList(Vector docList, String tableName)
|
1003 |
|
|
{
|
1004 |
|
|
boolean dataFile=false;
|
1005 |
|
|
for(int j=0; j<docList.size(); j++)
|
1006 |
|
|
{
|
1007 |
|
|
//initial dataFile is false
|
1008 |
|
|
dataFile=false;
|
1009 |
|
|
//w is information for one document, information contain
|
1010 |
|
|
//docid, rev, server or datafile.
|
1011 |
|
|
Vector w = new Vector((Vector)(docList.elementAt(j)));
|
1012 |
|
|
//Check if the vector w contain "datafile"
|
1013 |
|
|
//If it has, this document is data file
|
1014 |
|
|
if (w.contains((String)util.getOption("datafileflag")))
|
1015 |
|
|
{
|
1016 |
|
|
dataFile=true;
|
1017 |
|
|
}
|
1018 |
|
|
//System.out.println("w: " + w.toString());
|
1019 |
|
|
// Get docid
|
1020 |
|
|
String docid = (String)w.elementAt(0);
|
1021 |
2663
|
sgarg
|
logMetacat.info("docid: " + docid);
|
1022 |
2608
|
tao
|
// Get revision number
|
1023 |
|
|
int rev = Integer.parseInt((String)w.elementAt(1));
|
1024 |
2663
|
sgarg
|
logMetacat.info("rev: " + rev);
|
1025 |
2608
|
tao
|
// Get remote server name (it is may not be doc homeserver because
|
1026 |
|
|
// the new hub feature
|
1027 |
|
|
String remoteServer = (String)w.elementAt(2);
|
1028 |
|
|
remoteServer = remoteServer.trim();
|
1029 |
|
|
|
1030 |
|
|
try
|
1031 |
|
|
{
|
1032 |
|
|
if (tableName.equals(DocumentImpl.DOCUMENTTABLE))
|
1033 |
|
|
{
|
1034 |
|
|
handleDocInXMLDocuments(docid, rev, remoteServer, dataFile);
|
1035 |
|
|
}
|
1036 |
|
|
else if (tableName.equals(DocumentImpl.REVISIONTABLE))
|
1037 |
|
|
{
|
1038 |
|
|
handleDocInXMLRevisions(docid, rev, remoteServer, dataFile);
|
1039 |
|
|
}
|
1040 |
|
|
else
|
1041 |
|
|
{
|
1042 |
|
|
continue;
|
1043 |
|
|
}
|
1044 |
|
|
|
1045 |
|
|
}
|
1046 |
|
|
catch (Exception e)
|
1047 |
|
|
{
|
1048 |
2663
|
sgarg
|
logMetacat.error("error to handle update doc in "+
|
1049 |
|
|
tableName +" in time replication"+e.getMessage());
|
1050 |
2608
|
tao
|
continue;
|
1051 |
|
|
}
|
1052 |
|
|
|
1053 |
|
|
}//for update docs
|
1054 |
|
|
|
1055 |
|
|
}
|
1056 |
|
|
|
1057 |
|
|
/*
|
1058 |
|
|
* This method will handle doc in xml_documents table.
|
1059 |
|
|
*/
|
1060 |
|
|
private void handleDocInXMLDocuments(String docid, int rev, String remoteServer, boolean dataFile)
|
1061 |
|
|
throws Exception
|
1062 |
|
|
{
|
1063 |
|
|
// compare the update rev and local rev to see what need happen
|
1064 |
|
|
int localrev = -1;
|
1065 |
|
|
String action = null;
|
1066 |
|
|
boolean flag = false;
|
1067 |
|
|
try
|
1068 |
|
|
{
|
1069 |
2641
|
tao
|
localrev = DBUtil.getLatestRevisionInDocumentTable(docid);
|
1070 |
2608
|
tao
|
}
|
1071 |
|
|
catch (SQLException e)
|
1072 |
|
|
{
|
1073 |
2663
|
sgarg
|
logMetacat.error("Local rev for docid "+ docid + " could not "+
|
1074 |
|
|
" be found because " + e.getMessage());
|
1075 |
2739
|
tao
|
MetacatReplication.replErrorLog(""+DOCERRORNUMBER+"Docid "+ docid + " could not be "+
|
1076 |
2608
|
tao
|
"written because error happend to find it's local revision");
|
1077 |
2739
|
tao
|
DOCERRORNUMBER++;
|
1078 |
2608
|
tao
|
throw new Exception (e.getMessage());
|
1079 |
|
|
}
|
1080 |
2663
|
sgarg
|
logMetacat.info("Local rev for docid "+ docid + " is "+
|
1081 |
|
|
localrev);
|
1082 |
2608
|
tao
|
|
1083 |
|
|
//check the revs for an update because this document is in the
|
1084 |
|
|
//local DB, it might be out of date.
|
1085 |
|
|
if (localrev == -1)
|
1086 |
|
|
{
|
1087 |
2713
|
tao
|
// check if the revision is in the revision table
|
1088 |
|
|
Vector localRevVector = DBUtil.getRevListFromRevisionTable(docid);
|
1089 |
|
|
if (localRevVector != null && localRevVector.contains(new Integer(rev)))
|
1090 |
|
|
{
|
1091 |
|
|
// this version was deleted, so don't need replicate
|
1092 |
|
|
flag = false;
|
1093 |
|
|
}
|
1094 |
|
|
else
|
1095 |
|
|
{
|
1096 |
|
|
//insert this document as new because it is not in the local DB
|
1097 |
|
|
action = "INSERT";
|
1098 |
|
|
flag = true;
|
1099 |
|
|
}
|
1100 |
2608
|
tao
|
}
|
1101 |
|
|
else
|
1102 |
|
|
{
|
1103 |
|
|
if(localrev == rev)
|
1104 |
|
|
{
|
1105 |
|
|
// Local meatacat has the same rev to remote host, don't need
|
1106 |
|
|
// update and flag set false
|
1107 |
|
|
flag = false;
|
1108 |
|
|
}
|
1109 |
|
|
else if(localrev < rev)
|
1110 |
|
|
{
|
1111 |
|
|
//this document needs to be updated so send an read request
|
1112 |
|
|
action = "UPDATE";
|
1113 |
|
|
flag = true;
|
1114 |
|
|
}
|
1115 |
|
|
}
|
1116 |
2641
|
tao
|
|
1117 |
|
|
String accNumber = docid + MetaCatUtil.getOption("accNumSeparator") + rev;
|
1118 |
2608
|
tao
|
// this is non-data file
|
1119 |
|
|
if(flag && !dataFile)
|
1120 |
|
|
{
|
1121 |
|
|
try
|
1122 |
|
|
{
|
1123 |
2641
|
tao
|
handleSingleXMLDocument(remoteServer, action, accNumber, DocumentImpl.DOCUMENTTABLE);
|
1124 |
2608
|
tao
|
}
|
1125 |
|
|
catch(Exception e)
|
1126 |
|
|
{
|
1127 |
|
|
// skip this document
|
1128 |
|
|
throw e;
|
1129 |
|
|
}
|
1130 |
|
|
}//if for non-data file
|
1131 |
|
|
|
1132 |
|
|
// this is for data file
|
1133 |
|
|
if(flag && dataFile)
|
1134 |
|
|
{
|
1135 |
|
|
try
|
1136 |
|
|
{
|
1137 |
2641
|
tao
|
handleSingleDataFile(remoteServer, action, accNumber, DocumentImpl.DOCUMENTTABLE);
|
1138 |
2608
|
tao
|
}
|
1139 |
|
|
catch(Exception e)
|
1140 |
|
|
{
|
1141 |
|
|
// skip this datafile
|
1142 |
|
|
throw e;
|
1143 |
|
|
}
|
1144 |
|
|
|
1145 |
|
|
}//for datafile
|
1146 |
|
|
}
|
1147 |
|
|
|
1148 |
|
|
/*
|
1149 |
|
|
* This method will handle doc in xml_documents table.
|
1150 |
|
|
*/
|
1151 |
|
|
private void handleDocInXMLRevisions(String docid, int rev, String remoteServer, boolean dataFile)
|
1152 |
|
|
throws Exception
|
1153 |
|
|
{
|
1154 |
|
|
// compare the update rev and local rev to see what need happen
|
1155 |
2663
|
sgarg
|
logMetacat.info("In handle repliation revsion table");
|
1156 |
|
|
logMetacat.info("the docid is "+ docid);
|
1157 |
|
|
logMetacat.info("The rev is "+rev);
|
1158 |
2608
|
tao
|
Vector localrev = null;
|
1159 |
|
|
String action = "INSERT";
|
1160 |
|
|
boolean flag = false;
|
1161 |
|
|
try
|
1162 |
|
|
{
|
1163 |
|
|
localrev = DBUtil.getRevListFromRevisionTable(docid);
|
1164 |
|
|
}
|
1165 |
|
|
catch (SQLException e)
|
1166 |
|
|
{
|
1167 |
2663
|
sgarg
|
logMetacat.error("Local rev for docid "+ docid + " could not "+
|
1168 |
|
|
" be found because " + e.getMessage());
|
1169 |
2739
|
tao
|
MetacatReplication.replErrorLog(""+REVERRORNUMBER+" Docid "+ docid + " could not be "+
|
1170 |
2608
|
tao
|
"written because error happend to find it's local revision");
|
1171 |
2739
|
tao
|
REVERRORNUMBER++;
|
1172 |
2608
|
tao
|
throw new Exception (e.getMessage());
|
1173 |
|
|
}
|
1174 |
2663
|
sgarg
|
logMetacat.info("rev list in xml_revision table for docid "+ docid + " is "+
|
1175 |
|
|
localrev.toString());
|
1176 |
2608
|
tao
|
|
1177 |
|
|
// if the rev is not in the xml_revision, we need insert it
|
1178 |
|
|
if (!localrev.contains(new Integer(rev)))
|
1179 |
|
|
{
|
1180 |
|
|
flag = true;
|
1181 |
|
|
}
|
1182 |
2641
|
tao
|
|
1183 |
|
|
String accNumber = docid + MetaCatUtil.getOption("accNumSeparator") + rev;
|
1184 |
2608
|
tao
|
// this is non-data file
|
1185 |
|
|
if(flag && !dataFile)
|
1186 |
|
|
{
|
1187 |
|
|
try
|
1188 |
|
|
{
|
1189 |
2641
|
tao
|
|
1190 |
|
|
handleSingleXMLDocument(remoteServer, action, accNumber, DocumentImpl.REVISIONTABLE);
|
1191 |
2608
|
tao
|
}
|
1192 |
|
|
catch(Exception e)
|
1193 |
|
|
{
|
1194 |
|
|
// skip this document
|
1195 |
|
|
throw e;
|
1196 |
|
|
}
|
1197 |
|
|
}//if for non-data file
|
1198 |
|
|
|
1199 |
|
|
// this is for data file
|
1200 |
|
|
if(flag && dataFile)
|
1201 |
|
|
{
|
1202 |
|
|
try
|
1203 |
|
|
{
|
1204 |
2641
|
tao
|
handleSingleDataFile(remoteServer, action, accNumber, DocumentImpl.REVISIONTABLE);
|
1205 |
2608
|
tao
|
}
|
1206 |
|
|
catch(Exception e)
|
1207 |
|
|
{
|
1208 |
|
|
// skip this datafile
|
1209 |
|
|
throw e;
|
1210 |
|
|
}
|
1211 |
|
|
|
1212 |
|
|
}//for datafile
|
1213 |
|
|
}
|
1214 |
3234
|
tao
|
|
1215 |
|
|
/*
|
1216 |
|
|
* Return a ip address for given url
|
1217 |
|
|
*/
|
1218 |
|
|
private String getIpFromURL(URL url)
|
1219 |
|
|
{
|
1220 |
|
|
String ip = null;
|
1221 |
|
|
try
|
1222 |
|
|
{
|
1223 |
|
|
InetAddress address = InetAddress.getByName(url.getHost());
|
1224 |
|
|
ip = address.getHostAddress();
|
1225 |
|
|
}
|
1226 |
|
|
catch(UnknownHostException e)
|
1227 |
|
|
{
|
1228 |
|
|
logMetacat.error("Error in get ip address for host: "
|
1229 |
|
|
+e.getMessage());
|
1230 |
|
|
}
|
1231 |
|
|
|
1232 |
|
|
return ip;
|
1233 |
|
|
}
|
1234 |
2608
|
tao
|
|
1235 |
522
|
berkley
|
}
|