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7815
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leinfelder
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/**
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* '$RCSfile$'
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* Purpose: A class which creates a instance of an IndexEventLog.
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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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* Authors: Leinfelder
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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.event;
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7836
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tao
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import java.io.File;
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import java.io.IOException;
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import java.text.ParseException;
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import java.text.SimpleDateFormat;
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7815
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leinfelder
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import java.util.ArrayList;
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import java.util.Date;
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import java.util.List;
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7836
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tao
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import org.apache.commons.io.FileUtils;
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import org.dataone.configuration.Settings;
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7815
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leinfelder
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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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7828
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leinfelder
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import edu.ucsb.nceas.metacat.common.index.event.IndexEvent;
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7815
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leinfelder
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import edu.ucsb.nceas.metacat.index.DistributedMapsFactory;
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/**
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* @author leinfelder
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*
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*/
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public class HazelcastIndexEventLog implements IndexEventLog {
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7836
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tao
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private static final String LASTPROCESSEDDATEFILENAME = "solr-last-proccessed-date";
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private File lastProcessedDateFile = null;
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7847
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tao
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private SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSZ");
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7836
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tao
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/**
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* Constructor
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* @throws IOException
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*/
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public HazelcastIndexEventLog() throws IOException {
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String path = Settings.getConfiguration().getString("solr.homeDir");
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if(path == null || path.trim().equals("")) {
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path = System.getProperty("user.home");
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}
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File pathDir = new File(path);
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lastProcessedDateFile = new File(pathDir, LASTPROCESSEDDATEFILENAME);
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if(!lastProcessedDateFile.exists()) {
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lastProcessedDateFile.createNewFile();
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}
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}
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7815
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leinfelder
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/* (non-Javadoc)
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* @see edu.ucsb.nceas.metacat.index.event.IndexEventLog#write(edu.ucsb.nceas.metacat.index.event.IndexEvent)
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*/
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@Override
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public void write(IndexEvent event) throws IndexEventLogException {
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// write to the map
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try {
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DistributedMapsFactory.getIndexEventMap().put(event.getIdentifier(), event);
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} catch (Exception e) {
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throw new IndexEventLogException("Could not write to event map", e);
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}
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}
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/* (non-Javadoc)
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* @see edu.ucsb.nceas.metacat.index.event.IndexEventLog#remove(java.lang.String)
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*/
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@Override
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public void remove(Identifier identifier) throws IndexEventLogException {
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// remove from the map
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try {
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DistributedMapsFactory.getIndexEventMap().remove(identifier);
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} catch (Exception e) {
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throw new IndexEventLogException("Could not remove from event map", e);
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}
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}
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/* (non-Javadoc)
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* @see edu.ucsb.nceas.metacat.index.event.IndexEventLog#getEvents(int, org.dataone.service.types.v1.Identifier, java.util.Date, java.util.Date)
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*/
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@Override
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public List<IndexEvent> getEvents(Event action, Identifier pid, Date start, Date end) throws IndexEventLogException {
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try {
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// TODO: query the map using the parameters
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return new ArrayList<IndexEvent>(DistributedMapsFactory.getIndexEventMap().values());
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} catch (Exception e) {
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throw new IndexEventLogException("Could not remove from event map", e);
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}
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}
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/* (non-Javadoc)
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* @see edu.ucsb.nceas.metacat.index.event.IndexEventLog#getLastProcessDate()
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*/
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@Override
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public Date getLastProcessDate() throws IndexEventLogException {
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7836
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tao
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Date date = null;
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try {
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String dateStr = FileUtils.readFileToString(lastProcessedDateFile, "UTF-8");
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if(dateStr != null && !dateStr.trim().equals("")) {
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date = format.parse(dateStr);
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}
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} catch (IOException e) {
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throw new IndexEventLogException("HazelcastIndexEventLog.getLastProcessedDate - couldn't read the last processed date :", e);
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} catch (ParseException e) {
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// TODO Auto-generated catch block
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throw new IndexEventLogException("HazelcastIndexEventLog.getLastProcessedDate - couldn't read the last processed date since the content of file is not date :", e);
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}
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return date;
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7815
|
leinfelder
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}
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/* (non-Javadoc)
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* @see edu.ucsb.nceas.metacat.index.event.IndexEventLog#setLastProcessDate(java.util.Date)
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*/
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@Override
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public void setLastProcessDate(Date date) throws IndexEventLogException {
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7836
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tao
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String dateStr = format.format(date);
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try {
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FileUtils.writeStringToFile(lastProcessedDateFile, dateStr, "UTF-8");
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} catch (IOException e) {
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// TODO Auto-generated catch block
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throw new IndexEventLogException("HazelcastIndexEventLog.setLastProcessedDate - couldn't set the last processed date :", e);
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}
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7815
|
leinfelder
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}
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}
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