/*
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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.api;
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import java.util.Map;
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import org.jbpm.api.history.HistoryActivityInstanceQuery;
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import org.jbpm.api.history.HistoryDetailQuery;
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import org.jbpm.api.history.HistoryProcessInstanceQuery;
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import org.jbpm.api.history.HistoryTaskQuery;
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/** exposes the history information for ongoing and past
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* process instances.
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*
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* @author Tom Baeyens
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*/
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public interface HistoryService {
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/** search for process instances in the history */
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HistoryProcessInstanceQuery createHistoryProcessInstanceQuery();
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/** search in history activity instance information */
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HistoryActivityInstanceQuery createHistoryActivityInstanceQuery();
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/** search in history task information */
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HistoryTaskQuery createHistoryTaskQuery();
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/** search in history details */
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HistoryDetailQuery createHistoryDetailQuery();
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/** returns the average duration in milliseconds for each activity in the given process definition */
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Map<String, Long> avgDurationPerActivity(String processDefinitionId);
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/** returns for each transitionName, the number of times that transition was taken */
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Map<String, Integer> choiceDistribution(String processDefinitionId, String activityName);
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}
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