/*
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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.jpdl.internal.activity;
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import java.util.ArrayList;
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import java.util.List;
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import org.jbpm.jpdl.internal.xml.JpdlParser;
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import org.jbpm.pvm.internal.util.XmlUtil;
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import org.jbpm.pvm.internal.wire.Descriptor;
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import org.jbpm.pvm.internal.wire.descriptor.ListDescriptor;
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import org.jbpm.pvm.internal.wire.xml.WireParser;
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import org.jbpm.pvm.internal.xml.Parse;
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import org.w3c.dom.Element;
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/**
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* @author Tom Baeyens
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*/
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public class HqlBinding extends JpdlBinding {
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public static final String TAG = "hql";
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public HqlBinding() {
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super(TAG);
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}
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protected HqlBinding(String tagName) {
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super(tagName);
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}
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public Object parseJpdl(Element element, Parse parse, JpdlParser parser) {
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HqlActivity hqlActivity = createHqlActivity();
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Element queryElement = XmlUtil.element(element, "query", true, parse);
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if (queryElement!=null) {
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String query = XmlUtil.getContentText(queryElement);
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hqlActivity.setQuery(query);
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}
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if (XmlUtil.attributeBoolean(element, "unique", false, parse, Boolean.FALSE)) {
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hqlActivity.setResultUnique(true);
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}
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String variableName = XmlUtil.attribute(element, "var", true, parse);
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hqlActivity.setResultVariableName(variableName);
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Element parametersElement = XmlUtil.element(element, "parameters");
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List<Element> paramElements = XmlUtil.elements(parametersElement);
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if (!paramElements.isEmpty()) {
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List<Descriptor> parametersDescriptor = new ArrayList<Descriptor>();
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for (Element paramElement: paramElements) {
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WireParser wireParser = WireParser.getInstance();
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Descriptor paramDescriptor = (Descriptor) wireParser.parseElement(paramElement, parse, WireParser.CATEGORY_DESCRIPTOR);
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parametersDescriptor.add(paramDescriptor);
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}
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ListDescriptor parametersListDescriptor = new ListDescriptor();
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parametersListDescriptor.setValueDescriptors(parametersDescriptor);
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hqlActivity.setParametersDescriptor(parametersListDescriptor);
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}
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return hqlActivity;
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}
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protected HqlActivity createHqlActivity() {
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return new HqlActivity();
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}
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}
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