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/**
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* Copyright: 2013 Regents of the University of California and the
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* National Center for Ecological Analysis and Synthesis
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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.index;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileNotFoundException;
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import java.io.IOException;
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import java.io.InputStream;
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import java.text.SimpleDateFormat;
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import java.util.ArrayList;
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import java.util.Calendar;
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import java.util.Collections;
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import java.util.Date;
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import java.util.List;
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import java.util.TimerTask;
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import javax.xml.parsers.ParserConfigurationException;
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import javax.xml.xpath.XPathExpressionException;
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import org.apache.commons.io.FileUtils;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.apache.solr.client.solrj.SolrServerException;
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import org.dataone.configuration.Settings;
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import org.dataone.service.exceptions.InvalidRequest;
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import org.dataone.service.exceptions.InvalidToken;
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import org.dataone.service.exceptions.NotAuthorized;
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import org.dataone.service.exceptions.NotFound;
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import org.dataone.service.exceptions.NotImplemented;
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import org.dataone.service.exceptions.ServiceFailure;
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import org.dataone.service.exceptions.UnsupportedType;
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import org.dataone.service.types.v1.Event;
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import org.dataone.service.types.v1.Identifier;
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import org.dataone.service.types.v1.ObjectFormatIdentifier;
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import org.dataone.service.types.v1.SystemMetadata;
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import org.dspace.foresite.OREParserException;
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import org.xml.sax.SAXException;
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import com.hazelcast.core.IMap;
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import com.hazelcast.core.ISet;
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import edu.ucsb.nceas.metacat.common.SolrServerFactory;
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import edu.ucsb.nceas.metacat.common.index.event.IndexEvent;
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import edu.ucsb.nceas.metacat.index.event.EventlogFactory;
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import edu.ucsb.nceas.metacat.index.event.IndexEventLogException;
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/**
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* A class represents the object to generate massive solr indexes.
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* This can happen during an update of Metacat (generating index for all existing documents)
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* or regenerate index for those documents
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* failing to build index during the insert or update.
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*
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* @author tao
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*
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*/
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public class IndexGenerator extends TimerTask {
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private static final int FIRST =0;
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private static final int SECOND =1;
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private static final int THIRD = 2;
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private static final int FOURTH = 3;
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public static final int WAITTIME = 10000;
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public static final int MAXWAITNUMBER = 180;
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private static final String HTTP = "http://";
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private static final String MNAPPENDIX = "/d1/mn";
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private static final String RESOURCEMAPPROPERYNAME = "index.resourcemap.namespace";
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public static final String WAITIMEPOPERTYNAME = "index.regenerate.start.waitingtime";
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public static final String MAXATTEMPTSPROPERTYNAME = "index.regenerate.start.maxattempts";
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private SolrIndex solrIndex = null;
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//private SystemMetadataEventListener systemMetadataListener = null;
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private IMap<Identifier, SystemMetadata> systemMetadataMap;
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private IMap<Identifier, String> objectPathMap;
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private ISet<SystemMetadata> indexQueue;
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private Log log = LogFactory.getLog(IndexGenerator.class);
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//private MNode mNode = null;
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private static List<String> resourceMapNamespaces = null;
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/**
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* Constructor
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* @param solrIndex
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* @param systemMetadataListener
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*/
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public IndexGenerator(SolrIndex solrIndex) {
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this.solrIndex = solrIndex;
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resourceMapNamespaces = Settings.getConfiguration().getList(RESOURCEMAPPROPERYNAME);
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//this.systemMetadataListener = systemMetadataListener;
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//this.mNode = new MNode(buildMNBaseURL());
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}
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/**
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* Build the index for all documents.
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* @throws SolrServerException
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* @throws ServiceFailure
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* @throws NotImplemented
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* @throws NotAuthorized
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* @throws InvalidToken
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* @throws InvalidRequest
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* @throws IndexEventLogException
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* @throws IllegalAccessException
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* @throws InstantiationException
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* @throws ClassNotFoundException
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* @throws ParserConfigurationException
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* @throws SAXException
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* @throws IOException
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* @throws UnsupportedType
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* @throws NotFound
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* @throws XPathExpressionException
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* @throws OREParserException
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*/
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public void indexAll() throws InvalidRequest, InvalidToken,
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NotAuthorized, NotImplemented, ServiceFailure, SolrServerException, ClassNotFoundException, InstantiationException, IllegalAccessException, IndexEventLogException, XPathExpressionException, NotFound, UnsupportedType, IOException, SAXException, ParserConfigurationException, OREParserException {
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Date since = null;
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Date until = null;
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index(since, until);
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}
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/**
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* Build the index for the docs which have been modified since the specified date.
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* @param since
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* @throws SolrServerException
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* @throws ServiceFailure
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* @throws NotImplemented
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* @throws NotAuthorized
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* @throws InvalidToken
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* @throws InvalidRequest
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* @throws IndexEventLogException
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* @throws IllegalAccessException
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* @throws InstantiationException
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* @throws ClassNotFoundException
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* @throws ParserConfigurationException
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* @throws SAXException
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* @throws IOException
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* @throws UnsupportedType
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* @throws NotFound
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* @throws XPathExpressionException
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* @throws OREParserException
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*/
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public void index(Date since) throws InvalidRequest, InvalidToken,
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NotAuthorized, NotImplemented, ServiceFailure, SolrServerException, ClassNotFoundException, InstantiationException, IllegalAccessException, IndexEventLogException, XPathExpressionException, NotFound, UnsupportedType, IOException, SAXException, ParserConfigurationException, OREParserException {
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Date until = null;
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index(since, until);
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}
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/**
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* Build the index for the docs which have been modified between the specified date.s
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* @param since
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* @param until
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* @throws SolrServerException
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* @throws ServiceFailure
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* @throws NotImplemented
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* @throws NotAuthorized
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* @throws InvalidToken
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* @throws InvalidRequest
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* @throws IndexEventLogException
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* @throws IllegalAccessException
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* @throws InstantiationException
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* @throws ClassNotFoundException
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* @throws ParserConfigurationException
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* @throws SAXException
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* @throws IOException
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* @throws UnsupportedType
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* @throws NotFound
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* @throws XPathExpressionException
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* @throws OREParserException
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*/
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public void index(Date since, Date until) throws SolrServerException, InvalidRequest,
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InvalidToken, NotAuthorized, NotImplemented, ServiceFailure, ClassNotFoundException, InstantiationException, IllegalAccessException, IndexEventLogException, XPathExpressionException, NotFound, UnsupportedType, IOException, SAXException, ParserConfigurationException, OREParserException {
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Date processedDate = null;
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List<String> solrIds = null;
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initSystemMetadataMap();
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initObjectPathMap();
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initIndexQueue();
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List[] metacatIds = getMetacatIds(since, until);
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List<String> otherMetacatIds = metacatIds[FIRST];
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List<String> resourceMapIds = metacatIds[SECOND];
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//List<String> otherDeletedMetacatIds = metacatIds[THIRD];
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//List<String> resourceMapDeletedIds = metacatIds[FOURTH];
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//figure out the procesedDate by comparing the last element of otherMetacatIds and resourceMapIds.
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List<Long> maxCollection = new ArrayList<Long>();
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Date latestOtherId = null;
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if (otherMetacatIds != null && !otherMetacatIds.isEmpty()) {
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int size = otherMetacatIds.size();
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String id = otherMetacatIds.get(size-1);
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SystemMetadata sysmeta = getSystemMetadata(id);
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latestOtherId = sysmeta.getDateSysMetadataModified();
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maxCollection.add(new Long(latestOtherId.getTime()));
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}
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/*Date latestDeletedOtherIds = null;
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if (otherDeletedMetacatIds != null && !otherDeletedMetacatIds.isEmpty()) {
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int size = otherDeletedMetacatIds.size();
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String id = otherDeletedMetacatIds.get(size-1);
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SystemMetadata sysmeta = getSystemMetadata(id);
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latestDeletedOtherIds = sysmeta.getDateSysMetadataModified();
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maxCollection.add(new Long(latestDeletedOtherIds.getTime()));
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}*/
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Date latestResourceId = null;
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if (resourceMapIds != null && !resourceMapIds.isEmpty()) {
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int size = resourceMapIds.size();
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String id = resourceMapIds.get(size-1);
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SystemMetadata sysmeta = getSystemMetadata(id);
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latestResourceId = sysmeta.getDateSysMetadataModified();
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maxCollection.add(new Long(latestResourceId.getTime()));
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}
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/*Date latestDeletedResourceId = null;
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if(resourceMapDeletedIds != null && !resourceMapDeletedIds.isEmpty()) {
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int size = resourceMapDeletedIds.size();
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String id = resourceMapDeletedIds.get(size-1);
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SystemMetadata sysmeta = getSystemMetadata(id);
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latestDeletedResourceId = sysmeta.getDateSysMetadataModified();
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maxCollection.add(new Long(latestDeletedResourceId.getTime()));
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}*/
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if(!maxCollection.isEmpty()) {
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Long max = Collections.max(maxCollection);
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processedDate = new Date(max.longValue());
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}
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/*if(latestOtherId != null && latestResourceId != null && latestOtherId.getTime() > latestResourceId.getTime()) {
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processedDate = latestOtherId;
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} else if (latestOtherId != null && latestResourceId != null && latestOtherId.getTime() <= latestResourceId.getTime()) {
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processedDate = latestResourceId;
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} else if (latestOtherId == null && latestResourceId != null) {
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processedDate = latestResourceId;
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} else if (latestOtherId != null && latestResourceId == null) {
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processedDate = latestOtherId;
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}*/
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//add the failedPids
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List<IndexEvent> failedEvents = EventlogFactory.createIndexEventLog().getEvents(null, null, null, null);
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List<String> failedOtherIds = new ArrayList<String>();
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List<String> failedResourceMapIds = new ArrayList<String>();
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if(failedEvents != null) {
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for(IndexEvent event : failedEvents) {
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String id = event.getIdentifier().getValue();
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SystemMetadata sysmeta = getSystemMetadata(id);
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if(sysmeta != null) {
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ObjectFormatIdentifier formatId =sysmeta.getFormatId();
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if(formatId != null && formatId.getValue() != null && resourceMapNamespaces != null && isResourceMap(formatId)) {
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failedResourceMapIds.add(id);
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} else {
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failedOtherIds.add(id);
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}
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}
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}
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}
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//indexFailedIds(failedOtherIds);
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//indexFailedIds(failedResourceMapIds);
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index(failedOtherIds);
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index(failedResourceMapIds);
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/*if(!failedOtherIds.isEmpty()) {
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failedOtherIds.addAll(otherMetacatIds);
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} else {
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failedOtherIds = otherMetacatIds;
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}
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if(!failedResourceMapIds.isEmpty()) {
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failedResourceMapIds.addAll(resourceMapIds);
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} else {
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failedResourceMapIds = resourceMapIds;
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}*/
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//log.info("the ids in index_event for reindex ( except the resourcemap)=====================================\n "+failedOtherIds);
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//log.info("the resourcemap ids in index_event for reindex =====================================\n "+failedResourceMapIds);
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log.info("the metacat ids (except the resource map ids)-----------------------------"+otherMetacatIds);
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//logFile(otherMetacatIds, "ids-for-timed-indexing-log");
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//log.info("the deleted metacat ids (except the resource map ids)-----------------------------"+otherDeletedMetacatIds);
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log.info("the metacat resroucemap ids -----------------------------"+resourceMapIds);
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//logFile(resourceMapIds, "ids-for-timed-indexing-log");
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//log.info("the deleted metacat resroucemap ids -----------------------------"+resourceMapDeletedIds);
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index(otherMetacatIds);
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//removeIndex(otherDeletedMetacatIds);
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index(resourceMapIds);
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//removeIndex(resourceMapDeletedIds);
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//record the timed index.
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if(processedDate != null) {
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EventlogFactory.createIndexEventLog().setLastProcessDate(processedDate);
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}
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}
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/*
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* Write the docids which will be indexed into a file.
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*/
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/*private void logFile(List<String> ids, String fileName) {
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if(ids != null) {
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try {
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String tempDir = System.getProperty("java.io.tmpdir");
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log.info("the temp dir is ===================== "+tempDir);
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File idsForIndex = new File(tempDir, fileName);
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if(!idsForIndex.exists()) {
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idsForIndex.createNewFile();
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}
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Date date = Calendar.getInstance().getTime();
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SimpleDateFormat format = new SimpleDateFormat("yyyy.MM.dd G 'at' HH:mm:ss z");
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String dateStr = format.format(date);
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List<String> dateList = new ArrayList<String>();
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dateList.add(dateStr);
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Boolean append = true;
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FileUtils.writeLines(idsForIndex, dateList, append);//write time string
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FileUtils.writeLines(idsForIndex, ids, append);
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} catch (Exception e) {
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log.warn("IndexGenerator.logFile - Couldn't log the ids which will be indexed since - "+e.getMessage());
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}
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}
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}*/
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/*
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* Doing index
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*/
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private void index(List<String> metacatIds) {
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if(metacatIds != null) {
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for(String metacatId : metacatIds) {
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if(metacatId != null) {
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generateIndex(metacatId);
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}
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346
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}
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347
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}
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}
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350
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/*
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351
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* Index those ids which failed in the process (We got them from the EventLog)
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*/
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/*private void indexFailedIds(List<IndexEvent> events) {
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if(events != null) {
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for(IndexEvent event : events) {
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if(event != null) {
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Identifier identifier = event.getIdentifier();
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if(identifier != null) {
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String id = identifier.getValue();
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if(id != null) {
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361
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Event action = event.getAction();
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//if (action != null && action.equals(Event.CREATE)) {
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try {
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generateIndex(id);
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EventlogFactory.createIndexEventLog().remove(identifier);
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} catch (Exception e) {
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log.error("IndexGenerator.indexFailedIds - Metacat Index couldn't generate the index for the id - "+id+" because "+e.getMessage());
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}
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369
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}
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}
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}
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}
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}
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}*/
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376
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|
377
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public void run() {
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378
|
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try {
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Date since = EventlogFactory.createIndexEventLog().getLastProcessDate();
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index(since);
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} catch (InvalidRequest e) {
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// TODO Auto-generated catch block
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//e.printStackTrace();
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log.error("IndexGenerator.run - Metadata-Index couldn't generate indexes for those documents which haven't been indexed : "+e.getMessage());
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386
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} catch (InvalidToken e) {
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// TODO Auto-generated catch block
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//e.printStackTrace();
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log.error("IndexGenerator.run - Metadata-Index couldn't generate indexes for those documents which haven't been indexed : "+e.getMessage());
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390
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} catch (NotAuthorized e) {
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// TODO Auto-generated catch block
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//e.printStackTrace();
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} catch (NotImplemented e) {
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394
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// TODO Auto-generated catch block
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395
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//e.printStackTrace();
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log.error("IndexGenerator.run - Metadata-Index couldn't generate indexes for those documents which haven't been indexed : "+e.getMessage());
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} catch (ServiceFailure e) {
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// TODO Auto-generated catch block
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//e.printStackTrace();
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log.error("IndexGenerator.run - Metadata-Index couldn't generate indexes for those documents which haven't been indexed : "+e.getMessage());
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401
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} catch (SolrServerException e) {
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402
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// TODO Auto-generated catch block
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403
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//e.printStackTrace();
|
404
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log.error("IndexGenerator.run - Metadata-Index couldn't generate indexes for those documents which haven't been indexed : "+e.getMessage());
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405
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} catch (FileNotFoundException e) {
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406
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log.error("IndexGenerator.run - Metadata-Index couldn't generate indexes for those documents which haven't been indexed : "+e.getMessage());
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407
|
} catch (ClassNotFoundException e) {
|
408
|
// TODO Auto-generated catch block
|
409
|
log.error("IndexGenerator.run - Metadata-Index couldn't generate indexes for those documents which haven't been indexed : "+e.getMessage());
|
410
|
} catch (InstantiationException e) {
|
411
|
// TODO Auto-generated catch block
|
412
|
log.error("IndexGenerator.run - Metadata-Index couldn't generate indexes for those documents which haven't been indexed : "+e.getMessage());
|
413
|
} catch (IllegalAccessException e) {
|
414
|
// TODO Auto-generated catch block
|
415
|
log.error("IndexGenerator.run - Metadata-Index couldn't generate indexes for those documents which haven't been indexed : "+e.getMessage());
|
416
|
} catch (IndexEventLogException e) {
|
417
|
// TODO Auto-generated catch block
|
418
|
log.error("IndexGenerator.run - Metadata-Index couldn't generate indexes for those documents which haven't been indexed : "+e.getMessage());
|
419
|
} catch (XPathExpressionException e) {
|
420
|
// TODO Auto-generated catch block
|
421
|
log.error("IndexGenerator.run - Metadata-Index couldn't generate indexes for those documents which haven't been indexed : "+e.getMessage());
|
422
|
} catch (NotFound e) {
|
423
|
// TODO Auto-generated catch block
|
424
|
e.printStackTrace();
|
425
|
} catch (UnsupportedType e) {
|
426
|
// TODO Auto-generated catch block
|
427
|
log.error("IndexGenerator.run - Metadata-Index couldn't generate indexes for those documents which haven't been indexed : "+e.getMessage());
|
428
|
} catch (IOException e) {
|
429
|
// TODO Auto-generated catch block
|
430
|
log.error("IndexGenerator.run - Metadata-Index couldn't generate indexes for those documents which haven't been indexed : "+e.getMessage());
|
431
|
} catch (SAXException e) {
|
432
|
// TODO Auto-generated catch block
|
433
|
log.error("IndexGenerator.run - Metadata-Index couldn't generate indexes for those documents which haven't been indexed : "+e.getMessage());
|
434
|
} catch (ParserConfigurationException e) {
|
435
|
// TODO Auto-generated catch block
|
436
|
log.error("IndexGenerator.run - Metadata-Index couldn't generate indexes for those documents which haven't been indexed : "+e.getMessage());
|
437
|
} catch (OREParserException e) {
|
438
|
// TODO Auto-generated catch block
|
439
|
log.error("IndexGenerator.run - Metadata-Index couldn't generate indexes for those documents which haven't been indexed : "+e.getMessage());
|
440
|
}
|
441
|
}
|
442
|
|
443
|
|
444
|
|
445
|
/*
|
446
|
* Get an array of the list of ids of the metacat which has the systemmetadata modification in the range.
|
447
|
*
|
448
|
* If since and util are null, it will return all of them.
|
449
|
* The first element of the list is the ids except the resource map. The second elements of the list is the ids of the resource map.
|
450
|
* The reason to split them is when we index the resource map, we need the index of the documents in the resource map ready.
|
451
|
* The last element in the each list has the latest SystemMetadata modification date. But they are not sorted.
|
452
|
*/
|
453
|
private List[] getMetacatIds(Date since, Date until) throws InvalidRequest,
|
454
|
InvalidToken, NotAuthorized, NotImplemented, ServiceFailure, FileNotFoundException {
|
455
|
String fileName = "ids-from-hazelcast";
|
456
|
List<String> resourceMapIds = new ArrayList();
|
457
|
//List<String> resourceMapDeletedIds = new ArrayList();
|
458
|
List<String> otherIds = new ArrayList();
|
459
|
//List<String> otherDeletedIds = new ArrayList();
|
460
|
List[] ids = new List[2];
|
461
|
ids[FIRST]= otherIds;
|
462
|
ids[SECOND] = resourceMapIds;
|
463
|
//ids[THIRD] = otherDeletedIds;
|
464
|
//ids[FOURTH] = resourceMapDeletedIds;
|
465
|
ISet<Identifier> metacatIds = DistributedMapsFactory.getIdentifiersSet();
|
466
|
Date otherPreviousDate = null;
|
467
|
Date otherDeletedPreviousDate = null;
|
468
|
Date resourceMapPreviousDate = null;
|
469
|
Date resourceMapDeletedPreviousDate = null;
|
470
|
if(metacatIds != null) {
|
471
|
for(Identifier identifier : metacatIds) {
|
472
|
if(identifier != null && identifier.getValue() != null && !identifier.getValue().equals("")) {
|
473
|
List<String> idLog = new ArrayList<String>();
|
474
|
idLog.add(identifier.getValue());
|
475
|
//logFile(idLog, fileName);
|
476
|
SystemMetadata sysmeta = getSystemMetadata(identifier.getValue());
|
477
|
if(sysmeta != null) {
|
478
|
ObjectFormatIdentifier formatId =sysmeta.getFormatId();
|
479
|
//System.out.println("the object format id is "+formatId.getValue());
|
480
|
//System.out.println("the ============ resourcMapNamespaces"+resourceMapNamespaces);
|
481
|
boolean correctTimeRange = false;
|
482
|
Date sysDate = sysmeta.getDateSysMetadataModified();
|
483
|
if(since == null && until == null) {
|
484
|
correctTimeRange = true;
|
485
|
} else if (since != null && until == null) {
|
486
|
if(sysDate.getTime() > since.getTime()) {
|
487
|
correctTimeRange = true;
|
488
|
}
|
489
|
} else if (since == null && until != null) {
|
490
|
if(sysDate.getTime() < until.getTime()) {
|
491
|
correctTimeRange = true;
|
492
|
}
|
493
|
} else if (since != null && until != null) {
|
494
|
if(sysDate.getTime() > since.getTime() && sysDate.getTime() < until.getTime()) {
|
495
|
correctTimeRange = true;
|
496
|
}
|
497
|
}
|
498
|
if(correctTimeRange && formatId != null && formatId.getValue() != null && resourceMapNamespaces != null && isResourceMap(formatId)) {
|
499
|
//for the resource map
|
500
|
/*if(sysmeta.getArchived() || sysmeta.getObsoletedBy() != null) {
|
501
|
//archived ids
|
502
|
if(!resourceMapDeletedIds.isEmpty()) {
|
503
|
if(sysDate.getTime() > resourceMapDeletedPreviousDate.getTime()) {
|
504
|
resourceMapDeletedIds.add(identifier.getValue());//append to the end of the list if current is later than the previous one
|
505
|
resourceMapDeletedPreviousDate = sysDate;//reset resourceMapPreviousDate to the bigger one
|
506
|
} else {
|
507
|
int size = resourceMapDeletedIds.size();//
|
508
|
resourceMapDeletedIds.add(size -1, identifier.getValue());//keep the previous one at the end of the list.
|
509
|
}
|
510
|
} else {
|
511
|
resourceMapDeletedIds.add(identifier.getValue());
|
512
|
resourceMapDeletedPreviousDate = sysDate;//init resourcemapPreviousDate
|
513
|
}
|
514
|
} else {*/
|
515
|
// for all ids
|
516
|
if(!resourceMapIds.isEmpty()) {
|
517
|
if(sysDate.getTime() > resourceMapPreviousDate.getTime()) {
|
518
|
resourceMapIds.add(identifier.getValue());//append to the end of the list if current is later than the previous one
|
519
|
resourceMapPreviousDate = sysDate;//reset resourceMapPreviousDate to the bigger one
|
520
|
} else {
|
521
|
int size = resourceMapIds.size();//
|
522
|
resourceMapIds.add(size -1, identifier.getValue());//keep the previous one at the end of the list.
|
523
|
}
|
524
|
} else {
|
525
|
resourceMapIds.add(identifier.getValue());
|
526
|
resourceMapPreviousDate = sysDate;//init resourcemapPreviousDate
|
527
|
}
|
528
|
//}
|
529
|
} else if (correctTimeRange) {
|
530
|
/*if(sysmeta.getArchived() || sysmeta.getObsoletedBy() != null) {
|
531
|
//for the archived ids
|
532
|
if(!otherDeletedIds.isEmpty()) {
|
533
|
if(sysDate.getTime() > otherDeletedPreviousDate.getTime()) {
|
534
|
otherDeletedIds.add(identifier.getValue());
|
535
|
otherDeletedPreviousDate = sysDate;//reset otherDeletedPreviousDate to the bigger one
|
536
|
} else {
|
537
|
int size = otherDeletedIds.size();
|
538
|
otherDeletedIds.add(size-1, identifier.getValue());
|
539
|
}
|
540
|
} else {
|
541
|
otherDeletedIds.add(identifier.getValue());
|
542
|
otherDeletedPreviousDate = sysDate;//init otherDeletedPreviousDate
|
543
|
}
|
544
|
} else {*/
|
545
|
//for all ids
|
546
|
if(!otherIds.isEmpty()) {
|
547
|
if(sysDate.getTime() > otherPreviousDate.getTime()) {
|
548
|
otherIds.add(identifier.getValue());
|
549
|
otherPreviousDate = sysDate;//reset otherPreviousDate to the bigger one
|
550
|
} else {
|
551
|
int size = otherIds.size();
|
552
|
otherIds.add(size-1, identifier.getValue());
|
553
|
}
|
554
|
} else {
|
555
|
otherIds.add(identifier.getValue());
|
556
|
otherPreviousDate = sysDate;//init otherPreviousDate
|
557
|
}
|
558
|
//}
|
559
|
}
|
560
|
|
561
|
}
|
562
|
}
|
563
|
}
|
564
|
}
|
565
|
return ids;
|
566
|
}
|
567
|
|
568
|
/*
|
569
|
* If the specified ObjectFormatIdentifier is a resrouce map namespace.
|
570
|
*/
|
571
|
public static boolean isResourceMap(ObjectFormatIdentifier formatId) {
|
572
|
boolean isResourceMap = false;
|
573
|
if(formatId != null && resourceMapNamespaces != null) {
|
574
|
for(String namespace : resourceMapNamespaces) {
|
575
|
if(namespace != null && formatId.getValue() != null && !formatId.getValue().trim().equals("") && formatId.getValue().equals(namespace)) {
|
576
|
isResourceMap = true;
|
577
|
break;
|
578
|
}
|
579
|
}
|
580
|
}
|
581
|
return isResourceMap;
|
582
|
}
|
583
|
|
584
|
|
585
|
|
586
|
/*
|
587
|
* Generate index for the id.
|
588
|
*/
|
589
|
private void generateIndex(String id) {
|
590
|
//if id is null and sysmeta will be null. If sysmeta is null, it will be caught in solrIndex.update
|
591
|
SystemMetadata sysmeta = getSystemMetadata(id);
|
592
|
Identifier pid = new Identifier();
|
593
|
pid.setValue(id);
|
594
|
solrIndex.update(pid, sysmeta);
|
595
|
|
596
|
}
|
597
|
|
598
|
/*
|
599
|
* Remove the solr index for the list of ids
|
600
|
*/
|
601
|
/*private void removeIndex(List<String> ids) {
|
602
|
if(ids!= null) {
|
603
|
for(String id :ids) {
|
604
|
try {
|
605
|
removeIndex(id);
|
606
|
} catch (Exception e) {
|
607
|
IndexEvent event = new IndexEvent();
|
608
|
Identifier pid = new Identifier();
|
609
|
pid.setValue(id);
|
610
|
event.setIdentifier(pid);
|
611
|
event.setDate(Calendar.getInstance().getTime());
|
612
|
event.setAction(Event.DELETE);
|
613
|
String error = "IndexGenerator.index - Metacat Index couldn't remove the index for the id - "+id+" because "+e.getMessage();
|
614
|
event.setDescription(error);
|
615
|
try {
|
616
|
EventlogFactory.createIndexEventLog().write(event);
|
617
|
} catch (Exception ee) {
|
618
|
log.error("SolrIndex.insertToIndex - IndexEventLog can't log the index deleting event :"+ee.getMessage());
|
619
|
}
|
620
|
log.error(error);
|
621
|
}
|
622
|
|
623
|
}
|
624
|
}
|
625
|
}*/
|
626
|
|
627
|
/*
|
628
|
* Remove the index for the id
|
629
|
*/
|
630
|
/*private void removeIndex(String id) throws ServiceFailure, XPathExpressionException, NotImplemented, NotFound, UnsupportedType, IOException, SolrServerException, SAXException, ParserConfigurationException, OREParserException {
|
631
|
if(id != null) {
|
632
|
//solrIndex.remove(id);
|
633
|
}
|
634
|
}*/
|
635
|
|
636
|
/*
|
637
|
* Initialize the system metadata map
|
638
|
*/
|
639
|
private void initSystemMetadataMap() throws FileNotFoundException, ServiceFailure{
|
640
|
int times = 0;
|
641
|
if(systemMetadataMap == null) {
|
642
|
systemMetadataMap = DistributedMapsFactory.getSystemMetadataMap();
|
643
|
}
|
644
|
}
|
645
|
|
646
|
/*
|
647
|
* We should call this method after calling initSystemMetadataMap since this method doesn't have the mechanism to wait the readiness of the hazelcast service
|
648
|
*/
|
649
|
private void initObjectPathMap() throws FileNotFoundException, ServiceFailure {
|
650
|
if(objectPathMap == null) {
|
651
|
objectPathMap = DistributedMapsFactory.getObjectPathMap();
|
652
|
}
|
653
|
}
|
654
|
|
655
|
|
656
|
|
657
|
/*
|
658
|
* Initialize the index queue
|
659
|
*/
|
660
|
private void initIndexQueue() throws FileNotFoundException, ServiceFailure {
|
661
|
if(indexQueue == null) {
|
662
|
indexQueue = DistributedMapsFactory.getIndexQueue();
|
663
|
}
|
664
|
}
|
665
|
/**
|
666
|
* Get an InputStream as the data object for the specific pid.
|
667
|
* @param pid
|
668
|
* @return
|
669
|
* @throws FileNotFoundException
|
670
|
*/
|
671
|
private InputStream getDataObject(String pid) throws FileNotFoundException {
|
672
|
Identifier identifier = new Identifier();
|
673
|
identifier.setValue(pid);
|
674
|
String objectPath = objectPathMap.get(identifier);
|
675
|
InputStream data = null;
|
676
|
data = new FileInputStream(objectPath);
|
677
|
return data;
|
678
|
|
679
|
}
|
680
|
|
681
|
/**
|
682
|
* Get the SystemMetadata for the specified id from the distributed Map.
|
683
|
* The null maybe is returned if there is no system metadata found.
|
684
|
* @param id the specified id.
|
685
|
* @return the SystemMetadata associated with the id.
|
686
|
*/
|
687
|
private SystemMetadata getSystemMetadata(String id) {
|
688
|
SystemMetadata metadata = null;
|
689
|
if(systemMetadataMap != null && id != null) {
|
690
|
Identifier identifier = new Identifier();
|
691
|
identifier.setValue(id);
|
692
|
metadata = systemMetadataMap.get(identifier);
|
693
|
}
|
694
|
return metadata;
|
695
|
}
|
696
|
|
697
|
/**
|
698
|
* Get the obsoletes chain of the specified id. The returned list doesn't include
|
699
|
* the specified id itself. The newer version has the lower index number in the list.
|
700
|
* Empty list will be returned if there is no document to be obsoleted by this id.
|
701
|
* @param id
|
702
|
* @return
|
703
|
*/
|
704
|
private List<String> getObsoletes(String id) {
|
705
|
List<String> obsoletes = new ArrayList<String>();
|
706
|
while (id != null) {
|
707
|
SystemMetadata metadata = getSystemMetadata(id);
|
708
|
id = null;//set it to be null in order to stop the while loop if the id can't be assinged to a new value in the following code.
|
709
|
if(metadata != null) {
|
710
|
Identifier identifier = metadata.getObsoletes();
|
711
|
if(identifier != null && identifier.getValue() != null && !identifier.getValue().trim().equals("")) {
|
712
|
obsoletes.add(identifier.getValue());
|
713
|
id = identifier.getValue();
|
714
|
}
|
715
|
}
|
716
|
}
|
717
|
return obsoletes;
|
718
|
}
|
719
|
|
720
|
/**
|
721
|
* Overwrite and do nothing
|
722
|
*/
|
723
|
public boolean cancel() {
|
724
|
return true;
|
725
|
}
|
726
|
|
727
|
}
|