/*
*
* 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.drools.integrationtests;
import java.io.Reader;
import java.io.StringReader;
import java.util.ArrayList;
import java.util.List;
import junit.framework.TestCase;
import org.drools.RuleBase;
import org.drools.RuleBaseFactory;
import org.drools.StatefulSession;
import org.drools.WorkingMemory;
import org.drools.compiler.PackageBuilder;
import org.drools.event.ProcessEvent;
import org.drools.event.RuleFlowCompletedEvent;
import org.drools.event.RuleFlowEventListenerExtension;
import org.drools.event.RuleFlowGroupActivatedEvent;
import org.drools.event.RuleFlowGroupDeactivatedEvent;
import org.drools.event.RuleFlowNodeTriggeredEvent;
import org.drools.event.RuleFlowStartedEvent;
import org.drools.event.RuleFlowVariableChangeEvent;
import org.drools.process.core.context.variable.VariableScope;
import org.drools.process.instance.ProcessInstance;
import org.drools.process.instance.context.variable.VariableScopeInstance;
import org.drools.rule.Package;
/**
*
* @author salaboy
*/
public class ProcessEventListenerTest extends TestCase{
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 RuleFlowEventListenerExtension listener = new RuleFlowEventListenerExtension() {
public void beforeVariableChange(RuleFlowVariableChangeEvent event, WorkingMemory workingMemory) {
System.out.println("beforeVariableChange " + event);
processEventList.add(event);
}
public void afterVariableChange(RuleFlowVariableChangeEvent event, WorkingMemory workingMemory) {
System.out.println("afterVariableChange " + event);
processEventList.add(event);
}
public void beforeRuleFlowStarted(RuleFlowStartedEvent event, WorkingMemory workingMemory) {
System.out.println("beforeRuleFlowStarted " + event);
processEventList.add(event);
}
public void afterRuleFlowStarted(RuleFlowStartedEvent event, WorkingMemory workingMemory) {
System.out.println("afterRuleFlowStarted " + event);
processEventList.add(event);
}
public void beforeRuleFlowCompleted(RuleFlowCompletedEvent event, WorkingMemory workingMemory) {
System.out.println("beforeRuleFlowCompleted " + event);
processEventList.add(event);
}
public void afterRuleFlowCompleted(RuleFlowCompletedEvent event, WorkingMemory workingMemory) {
System.out.println("afterRuleFlowCompleted " + event);
processEventList.add(event);
}
public void beforeRuleFlowGroupActivated(RuleFlowGroupActivatedEvent event, WorkingMemory workingMemory) {
//processEventList.add(event);
}
public void afterRuleFlowGroupActivated(RuleFlowGroupActivatedEvent event, WorkingMemory workingMemory) {
//processEventList.add(event);
}
public void beforeRuleFlowGroupDeactivated(RuleFlowGroupDeactivatedEvent event, WorkingMemory workingMemory) {
// processEventList.add(event);
}
public void afterRuleFlowGroupDeactivated(RuleFlowGroupDeactivatedEvent event, WorkingMemory workingMemory) {
// processEventList.add(event);
}
public void beforeRuleFlowNodeTriggered(RuleFlowNodeTriggeredEvent event, WorkingMemory workingMemory) {
System.out.println("beforeRuleFlowNodeTriggered " + event);
processEventList.add(event);
}
public void afterRuleFlowNodeTriggered(RuleFlowNodeTriggeredEvent event, WorkingMemory workingMemory) {
System.out.println("afterRuleFlowNodeTriggered " + event);
processEventList.add(event);
}
public void beforeRuleFlowNodeLeft(RuleFlowNodeTriggeredEvent event, WorkingMemory workingMemory) {
System.out.println("beforeRuleFlowNodeLeft " + event);
processEventList.add(event);
}
public void afterRuleFlowNodeLeft(RuleFlowNodeTriggeredEvent event, WorkingMemory workingMemory) {
System.out.println("afterRuleFlowNodeLeft " + event);
processEventList.add(event);
}
};
((WorkingMemory)session).addEventListener(listener);
ProcessInstance processInstance =
session.startProcess("org.drools.event");
assertEquals(ProcessInstance.STATE_COMPLETED, processInstance.getState());
assertEquals("MyValue", ((VariableScopeInstance)
((ProcessInstance) processInstance)
.getContextInstance(VariableScope.VARIABLE_SCOPE)).getVariable("MyVar"));
assertEquals( 26, processEventList.size() );
assertEquals( "org.drools.event", ((RuleFlowStartedEvent) processEventList.get(0)).getProcessInstance().getProcessId());
assertEquals("MyVar",((RuleFlowVariableChangeEvent) processEventList.get(4)).getVariableId());
assertEquals("SomeText",((RuleFlowVariableChangeEvent) processEventList.get(4)).getValue());
assertEquals("MyVar",((RuleFlowVariableChangeEvent) processEventList.get(5)).getVariableId());
assertEquals("MyValue",((RuleFlowVariableChangeEvent) processEventList.get(5)).getValue());
}
}