/*
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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.query;
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import java.util.List;
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import org.hibernate.Query;
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import org.jbpm.api.ProcessInstance;
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import org.jbpm.api.ProcessInstanceQuery;
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import org.jbpm.pvm.internal.model.ExecutionImpl;
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/**
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* @author Tom Baeyens
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*/
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public class ProcessInstanceQueryImpl extends AbstractQuery implements ProcessInstanceQuery {
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private static final long serialVersionUID = 1L;
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protected String processDefinitionId;
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protected String processInstanceId;
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protected String processInstanceKey;
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protected Boolean suspended;
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public ProcessInstance uniqueResult() {
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return (ProcessInstance)untypedUniqueResult();
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}
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public List<ProcessInstance> list() {
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return (List<ProcessInstance>) untypedList();
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}
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public String hql() {
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StringBuilder hql = new StringBuilder();
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hql.append("select ");
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if (count) {
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hql.append("count(processInstance) ");
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} else {
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hql.append("processInstance ");
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}
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hql.append("from ");
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hql.append(ExecutionImpl.class.getName());
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hql.append(" as processInstance ");
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appendWhereClause("processInstance.parent is null ", hql);
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if (suspended!=null) {
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if (suspended) {
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appendWhereClause("processInstance.state = '"+ExecutionImpl.STATE_SUSPENDED+"' ", hql);
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} else {
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appendWhereClause("processInstance.state != '"+ExecutionImpl.STATE_SUSPENDED+"' ", hql);
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}
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}
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if (processInstanceId != null) {
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appendWhereClause("processInstance.processInstance.id = '" + processInstanceId+"' ", hql);
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}
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if (processDefinitionId != null) {
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appendWhereClause("processInstance.processDefinitionId = '" + processDefinitionId+"' ", hql);
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}
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if (processInstanceKey != null) {
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appendWhereClause("processInstance.key = '" + processInstanceKey + "'", hql);
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}
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appendOrderByClause(hql);
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return hql.toString();
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}
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protected void applyParameters(Query query) {
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}
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public ProcessInstanceQuery orderAsc(String property) {
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addOrderByClause("processInstance."+property+" asc");
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return this;
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}
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public ProcessInstanceQuery orderDesc(String property) {
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addOrderByClause("processInstance."+property+" desc");
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return this;
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}
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public ProcessInstanceQuery page(int firstResult, int maxResults) {
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this.page = new Page(firstResult, maxResults);
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return this;
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}
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public ProcessInstanceQuery processInstanceId(String processInstanceId) {
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this.processInstanceId = processInstanceId;
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return this;
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}
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public ProcessInstanceQuery processDefinitionId(String processDefinitionId) {
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this.processDefinitionId = processDefinitionId;
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return this;
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}
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public ProcessInstanceQuery suspended() {
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this.suspended = true;
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return this;
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}
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public ProcessInstanceQuery processInstanceKey(String processInstanceKey) {
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this.processInstanceKey = processInstanceKey;
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return this;
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}
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public ProcessInstanceQuery notSuspended() {
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this.suspended = false;
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return this;
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}
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}
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