/*
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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.history;
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import java.util.Date;
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import org.jbpm.api.Execution;
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import org.jbpm.api.ExecutionService;
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import org.jbpm.api.ProcessInstance;
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/** one occurence of an execution of a process definition.
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*
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* Every {@link ProcessInstance} will have one HistoryProcessInstance
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* associated. The difference is that the ProcessInstance will be
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* deleted when it is ended. And the history information will remain
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* in the DB. That keeps the runtime DB healthy and performant.
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*
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* @author Tom Baeyens
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*/
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public interface HistoryProcessInstance {
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/** when the full process instance has come to an end */
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String STATE_ENDED = "ended";
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/** when the full process instance is still active */
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String STATE_ACTIVE = "active";
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/** the process instance id (== the root execution id) */
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String getProcessInstanceId();
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/** reference to the process definition */
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String getProcessDefinitionId();
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/** unique user provided business key
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* (could be null if no such key is provided in
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* {@link ExecutionService#startProcessInstanceById(String, java.util.Map, String)}) */
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String getKey();
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/** {@link #STATE_ACTIVE} or {@link #STATE_ENDED} (this more coarse grained
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* state then {@link Execution#getState()}) */
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String getState();
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/** when the process instance started */
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Date getStartTime();
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/** when the process instance ended (only not null if the
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* process instance already ended) */
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Date getEndTime();
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/** duration of the process instance in milliseconds or null
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* if the process instance has not yet ended */
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Long getDuration();
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/** Returns the name of the end state that was reached when the process was ended.
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*/
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String getEndActivityName();
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}
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