/*
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* JBoss, Home of Professional Open Source
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* Copyright 2005, JBoss Inc., and individual contributors as indicated
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* by the @authors tag. See the copyright.txt in the distribution for a
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* full listing of individual contributors.
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*
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* This is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation; either version 2.1 of
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* the License, or (at your option) any later version.
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*
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* This software 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this software; if not, write to the Free
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* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
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*/
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package org.jbpm.pvm.internal.history;
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import java.io.Serializable;
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import org.jbpm.pvm.internal.env.EnvironmentImpl;
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import org.jbpm.pvm.internal.model.ExecutionImpl;
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/** base class for process logs. Process logs are dispatched to the
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* {@link HistorySession} that is configured in the environment.
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*
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* <p>ProcessLogs that are send to a LogSession is the probe mechanism
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* provided to listen into the process execution progress and details.
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* It is the mechanism to collect process history and process statistics.
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* </p>
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*
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* @author Tom Baeyens
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*/
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public abstract class HistoryEvent implements Serializable {
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private static final long serialVersionUID = 1L;
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protected ExecutionImpl execution;
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public void setExecution(ExecutionImpl execution) {
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this.execution = execution;
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}
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public abstract void process();
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public static void fire(HistoryEvent historyEvent) {
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fire(historyEvent, null);
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}
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public static void fire(HistoryEvent historyEvent, ExecutionImpl execution) {
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EnvironmentImpl environment = EnvironmentImpl.getCurrent();
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if (environment!=null) {
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HistorySession historySession = environment.get(HistorySession.class);
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if (historySession!=null) {
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historyEvent.setExecution(execution);
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historySession.process(historyEvent);
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}
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}
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}
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}
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