/*
*
* 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.
* under the License.
*/
package org.jbpm.integrationtests;
import java.io.Reader;
import java.io.StringReader;
import java.util.ArrayList;
import java.util.List;
import org.drools.RuleBase;
import org.drools.RuleBaseFactory;
import org.drools.StatefulSession;
import org.drools.common.InternalWorkingMemory;
import org.drools.compiler.PackageBuilder;
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.process.ProcessInstance;
import org.jbpm.JbpmTestCase;
import org.jbpm.process.core.context.variable.VariableScope;
import org.jbpm.process.instance.context.variable.VariableScopeInstance;
public class ProcessEventListenerTest extends JbpmTestCase{
public void testInternalNodeSignalEvent() {
PackageBuilder builder = new PackageBuilder();
Reader source = new StringReader(
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" +
"<process xmlns=\"http://drools.org/drools-5.0/process\"\n" +
" xmlns:xs=\"http://www.w3.org/2001/XMLSchema-instance\"\n" +
" xs:schemaLocation=\"http://drools.org/drools-5.0/process drools-processes-5.0.xsd\"\n" +
" type=\"RuleFlow\" name=\"flow\" id=\"org.drools.event\" package-name=\"org.drools\" version=\"1\" >\n" +
"\n" +
" <header>\n" +
" <variables>\n" +
" <variable name=\"MyVar\" >\n" +
" <type name=\"org.drools.process.core.datatype.impl.type.StringDataType\" />\n" +
" <value>SomeText</value>\n" +
" </variable>\n" +
" </variables>\n" +
" </header>\n" +
"\n" +
" <nodes>\n" +
" <start id=\"1\" name=\"Start\" />\n" +
" <eventNode id=\"2\" name=\"Event\" variableName=\"MyVar\" >\n" +
" <eventFilters>\n" +
" <eventFilter type=\"eventType\" eventType=\"MyEvent\" />\n" +
" </eventFilters>\n" +
" </eventNode>\n" +
" <actionNode id=\"3\" name=\"Signal Event\" >\n" +
" <action type=\"expression\" dialect=\"java\" >context.getProcessInstance().signalEvent(\"MyEvent\", \"MyValue\");</action>\n" +
" </actionNode>\n" +
" <join id=\"4\" name=\"Join\" type=\"1\" />\n" +
" <end id=\"5\" name=\"End\" />\n" +
" </nodes>\n" +
"\n" +
" <connections>\n" +
" <connection from=\"1\" to=\"3\" />\n" +
" <connection from=\"2\" to=\"4\" />\n" +
" <connection from=\"3\" to=\"4\" />\n" +
" <connection from=\"4\" to=\"5\" />\n" +
" </connections>\n" +
"\n" +
"</process>");
builder.addRuleFlow(source);
Package pkg = builder.getPackage();
RuleBase ruleBase = RuleBaseFactory.newRuleBase();
ruleBase.addPackage( pkg );
StatefulSession session = ruleBase.newStatefulSession();
final List<ProcessEvent> processEventList = new ArrayList<ProcessEvent>();
final ProcessEventListener listener = 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);
}
};
((InternalWorkingMemory)session).getProcessRuntime().addEventListener(listener);
ProcessInstance processInstance =
((InternalWorkingMemory)session).getProcessRuntime().startProcess("org.drools.event");
assertEquals(ProcessInstance.STATE_COMPLETED, processInstance.getState());
assertEquals("MyValue", ((VariableScopeInstance)
((org.jbpm.process.instance.ProcessInstance) processInstance)
.getContextInstance(VariableScope.VARIABLE_SCOPE)).getVariable("MyVar"));
assertEquals( 28, processEventList.size() );
for (ProcessEvent e: processEventList) {
System.out.println(e);
}
assertEquals( "org.drools.event", ((ProcessStartedEvent) processEventList.get(2)).getProcessInstance().getProcessId());
}
}