/*
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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.JobQuery;
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import org.jbpm.api.job.Job;
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import org.jbpm.pvm.internal.job.JobImpl;
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import org.jbpm.pvm.internal.job.MessageImpl;
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import org.jbpm.pvm.internal.job.TimerImpl;
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/**
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* @author Tom Baeyens
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*/
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public class JobQueryImpl extends AbstractQuery implements JobQuery {
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private static final long serialVersionUID = 1L;
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protected boolean messagesOnly = false;
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protected boolean timersOnly = false;
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protected String processInstanceId = null;
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protected Boolean exception;
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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(j) ");
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} else {
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hql.append("j ");
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}
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hql.append("from ");
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if (messagesOnly) {
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hql.append(MessageImpl.class.getName());
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} else if (timersOnly) {
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hql.append(TimerImpl.class.getName());
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} else {
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hql.append(JobImpl.class.getName());
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}
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hql.append(" j ");
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if (processInstanceId!=null) {
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appendWhereClause("j.processInstance.id = '"+processInstanceId+"' ", hql);
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}
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if (exception!=null) {
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if (exception) {
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appendWhereClause("j.exception is not null ", hql);
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} else {
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appendWhereClause("j.exception is null ", hql);
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}
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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 List<Job> list() {
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return (List<Job>) untypedList();
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}
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public Job uniqueResult() {
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return (Job)untypedUniqueResult();
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}
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public JobQuery messages() {
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this.messagesOnly = true;
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return this;
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}
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public JobQuery timers() {
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this.timersOnly = true;
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return this;
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}
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public JobQuery exception(boolean hasException) {
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this.exception = hasException;
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return this;
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}
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public JobQuery orderAsc(String property) {
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addOrderByClause("j."+property+" asc");
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return this;
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}
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public JobQuery orderDesc(String property) {
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addOrderByClause("j."+property+" desc");
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return this;
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}
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public JobQuery 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 JobQuery processInstanceId(String processInstanceId) {
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this.processInstanceId = processInstanceId;
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return this;
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}
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}
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