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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: Jing Tao
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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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import org.dataone.configuration.Settings;
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/**
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* A class which creates a instance of an IndexEventLog.
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* This class will read the metacat.properties file and create a instance of the EventLog.
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* @author tao
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*
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*/
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public class EventlogFactory {
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private static IndexEventLog eventLog = null;
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/**
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* Create an IndexEventLog. This is a singleton object.
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* @return
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* @throws ClassNotFoundException
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* @throws IllegalAccessException
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* @throws InstantiationException
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*/
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public static IndexEventLog createIndexEventLog() throws ClassNotFoundException, InstantiationException, IllegalAccessException {
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if(eventLog == null) {
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String className = Settings.getConfiguration().getString("index.eventlog.classname");
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Class<?> classObj = Class.forName(className);
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eventLog = (IndexEventLog)classObj.newInstance();
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}
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return eventLog;
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}
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}
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