/**
* Copyright 2010 JBoss Inc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jbpm.event.process;
import java.util.ArrayList;
import java.util.List;
import org.drools.KnowledgeBase;
import org.drools.KnowledgeBaseFactory;
import org.drools.definition.KnowledgePackage;
import org.drools.definitions.impl.KnowledgePackageImp;
import org.drools.event.process.ProcessCompletedEvent;
import org.drools.event.process.ProcessEvent;
import org.drools.event.process.ProcessEventListener;
import org.drools.event.process.ProcessNodeLeftEvent;
import org.drools.event.process.ProcessNodeTriggeredEvent;
import org.drools.event.process.ProcessStartedEvent;
import org.drools.event.process.ProcessVariableChangedEvent;
import org.drools.rule.Package;
import org.drools.runtime.StatefulKnowledgeSession;
import org.drools.runtime.process.ProcessContext;
import org.jbpm.JbpmTestCase;
import org.jbpm.process.instance.impl.Action;
import org.jbpm.ruleflow.core.RuleFlowProcess;
import org.jbpm.workflow.core.DroolsAction;
import org.jbpm.workflow.core.Node;
import org.jbpm.workflow.core.impl.ConnectionImpl;
import org.jbpm.workflow.core.impl.DroolsConsequenceAction;
import org.jbpm.workflow.core.node.ActionNode;
import org.jbpm.workflow.core.node.EndNode;
import org.jbpm.workflow.core.node.StartNode;
public class ProcessEventSupportTest extends JbpmTestCase {
public void testProcessEventListener() throws Exception {
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
// create a simple package with one process to test the events
final Package pkg = new Package( "org.drools.test" );
RuleFlowProcess process = new RuleFlowProcess();
process.setId("org.drools.process.event");
process.setName("Event Process");
StartNode startNode = new StartNode();
startNode.setName("Start");
startNode.setId(1);
process.addNode(startNode);
ActionNode actionNode = new ActionNode();
actionNode.setName("Print");
DroolsAction action = new DroolsConsequenceAction("java", null);
action.setMetaData("Action", new Action() {
public void execute(ProcessContext context) throws Exception {
System.out.println("Executed action");
}
});
actionNode.setAction(action);
actionNode.setId(2);
process.addNode(actionNode);
new ConnectionImpl(
startNode, Node.CONNECTION_DEFAULT_TYPE,
actionNode, Node.CONNECTION_DEFAULT_TYPE
);
EndNode endNode = new EndNode();
endNode.setName("End");
endNode.setId(3);
process.addNode(endNode);
new ConnectionImpl(
actionNode, Node.CONNECTION_DEFAULT_TYPE,
endNode, Node.CONNECTION_DEFAULT_TYPE
);
pkg.addProcess(process);
List<KnowledgePackage> pkgs = new ArrayList<KnowledgePackage>();
pkgs.add( new KnowledgePackageImp( pkg ) );
kbase.addKnowledgePackages( pkgs );
StatefulKnowledgeSession session = kbase.newStatefulKnowledgeSession();
final List<ProcessEvent> processEventList = new ArrayList<ProcessEvent>();
final ProcessEventListener processEventListener = new ProcessEventListener() {
public void afterNodeLeft(ProcessNodeLeftEvent event) {
processEventList.add(event);
}
public void afterNodeTriggered(ProcessNodeTriggeredEvent event) {
processEventList.add(event);
}
public void afterProcessCompleted(ProcessCompletedEvent event) {
processEventList.add(event);
}
public void afterProcessStarted(ProcessStartedEvent event) {
processEventList.add(event);
}
public void beforeNodeLeft(ProcessNodeLeftEvent event) {
processEventList.add(event);
}
public void beforeNodeTriggered(ProcessNodeTriggeredEvent event) {
processEventList.add(event);
}
public void beforeProcessCompleted(ProcessCompletedEvent event) {
processEventList.add(event);
}
public void beforeProcessStarted(ProcessStartedEvent event) {
processEventList.add(event);
}
public void beforeVariableChanged(ProcessVariableChangedEvent event) {
processEventList.add(event);
}
public void afterVariableChanged(ProcessVariableChangedEvent event) {
processEventList.add(event);
}
};
session.addEventListener( processEventListener );
// execute the process
session.startProcess("org.drools.process.event");
assertEquals( 16, processEventList.size() );
assertEquals( "org.drools.process.event", ((ProcessStartedEvent) processEventList.get(0)).getProcessInstance().getProcessId());
assertEquals( "Start", ((ProcessNodeTriggeredEvent) processEventList.get(1)).getNodeInstance().getNodeName());
assertEquals( "Start", ((ProcessNodeLeftEvent) processEventList.get(2)).getNodeInstance().getNodeName());
assertEquals( "Print", ((ProcessNodeTriggeredEvent) processEventList.get(3)).getNodeInstance().getNodeName());
assertEquals( "Print", ((ProcessNodeLeftEvent) processEventList.get(4)).getNodeInstance().getNodeName());
assertEquals( "End", ((ProcessNodeTriggeredEvent) processEventList.get(5)).getNodeInstance().getNodeName());
assertEquals( "End", ((ProcessNodeLeftEvent) processEventList.get(6)).getNodeInstance().getNodeName());
assertEquals( "org.drools.process.event", ((ProcessCompletedEvent) processEventList.get(7)).getProcessInstance().getProcessId());
assertEquals( "org.drools.process.event", ((ProcessCompletedEvent) processEventList.get(8)).getProcessInstance().getProcessId());
assertEquals( "End", ((ProcessNodeLeftEvent) processEventList.get(9)).getNodeInstance().getNodeName());
assertEquals( "End", ((ProcessNodeTriggeredEvent) processEventList.get(10)).getNodeInstance().getNodeName());
assertEquals( "Print", ((ProcessNodeLeftEvent) processEventList.get(11)).getNodeInstance().getNodeName());
assertEquals( "Print", ((ProcessNodeTriggeredEvent) processEventList.get(12)).getNodeInstance().getNodeName());
assertEquals( "Start", ((ProcessNodeLeftEvent) processEventList.get(13)).getNodeInstance().getNodeName());
assertEquals( "Start", ((ProcessNodeTriggeredEvent) processEventList.get(14)).getNodeInstance().getNodeName());
assertEquals( "org.drools.process.event", ((ProcessStartedEvent) processEventList.get(15)).getProcessInstance().getProcessId());
}
}