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.WorkingMemory;
import org.drools.compiler.DroolsError;
import org.drools.compiler.PackageBuilder;
import org.drools.compiler.PackageBuilderErrors;
import org.drools.rule.Package;
import org.jbpm.JbpmTestCase;
import org.jbpm.process.instance.ProcessInstance;
public class ProcessExceptionHandlerTest extends JbpmTestCase {
public void testFaultWithoutHandler() {
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.exception\" package-name=\"org.drools\" version=\"1\" >\n" +
"\n" +
" <header>\n" +
" </header>\n" +
"\n" +
" <nodes>\n" +
" <start id=\"1\" name=\"Start\" />\n" +
" <fault id=\"2\" name=\"Fault\" faultName=\"myFault\" />\n" +
" </nodes>\n" +
"\n" +
" <connections>\n" +
" <connection from=\"1\" to=\"2\" />\n" +
" </connections>\n" +
"\n" +
"</process>");
builder.addRuleFlow(source);
Package pkg = builder.getPackage();
PackageBuilderErrors errors = builder.getErrors();
if (errors != null && !errors.isEmpty()) {
for (DroolsError error: errors.getErrors()) {
System.err.println(error);
}
fail("Package could not be compiled");
}
RuleBase ruleBase = RuleBaseFactory.newRuleBase();
ruleBase.addPackage( pkg );
WorkingMemory workingMemory = ruleBase.newStatefulSession();
ProcessInstance processInstance = ( ProcessInstance )
workingMemory.startProcess("org.drools.exception");
assertEquals(ProcessInstance.STATE_ABORTED, processInstance.getState());
}
public void testProcessExceptionHandlerAction() {
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.exception\" package-name=\"org.drools\" version=\"1\" >\n" +
"\n" +
" <header>\n" +
" <globals>\n" +
" <global identifier=\"list\" type=\"java.util.List\" />\n" +
" </globals>\n" +
" <variables>\n" +
" <variable name=\"SomeVar\" >\n" +
" <type name=\"org.drools.process.core.datatype.impl.type.StringDataType\" />\n" +
" <value>SomeValue</value>\n" +
" </variable>\n" +
" <variable name=\"faultVar\" >\n" +
" <type name=\"org.drools.process.core.datatype.impl.type.StringDataType\" />\n" +
" </variable>\n" +
" </variables>\n" +
" <exceptionHandlers>\n" +
" <exceptionHandler faultName=\"myFault\" type=\"action\" faultVariable=\"faultVar\" >\n" +
" <action type=\"expression\" name=\"Print\" dialect=\"java\" >list.add(context.getVariable(\"faultVar\"));</action>\n" +
" </exceptionHandler>\n" +
" </exceptionHandlers>\n" +
" </header>\n" +
"\n" +
" <nodes>\n" +
" <start id=\"1\" name=\"Start\" />\n" +
" <fault id=\"2\" name=\"Fault\" faultName=\"myFault\" faultVariable=\"SomeVar\" />\n" +
" </nodes>\n" +
"\n" +
" <connections>\n" +
" <connection from=\"1\" to=\"2\" />\n" +
" </connections>\n" +
"\n" +
"</process>");
builder.addRuleFlow(source);
Package pkg = builder.getPackage();
RuleBase ruleBase = RuleBaseFactory.newRuleBase();
ruleBase.addPackage( pkg );
WorkingMemory workingMemory = ruleBase.newStatefulSession();
List<String> list = new ArrayList<String>();
workingMemory.setGlobal("list", list);
ProcessInstance processInstance = ( ProcessInstance )
workingMemory.startProcess("org.drools.exception");
assertEquals(ProcessInstance.STATE_ACTIVE, processInstance.getState());
assertEquals(1, list.size());
assertEquals("SomeValue", list.get(0));
}
public void testProcessExceptionHandlerTriggerNode() {
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.exception\" package-name=\"org.drools\" version=\"1\" >\n" +
"\n" +
" <header>\n" +
" <globals>\n" +
" <global identifier=\"list\" type=\"java.util.List\" />\n" +
" </globals>\n" +
" <exceptionHandlers>\n" +
" <exceptionHandler faultName=\"myFault\" type=\"action\" >\n" +
" <action type=\"expression\" name=\"Complete\" dialect=\"java\" >((org.jbpm.process.instance.ProcessInstance) context.getProcessInstance()).setState(org.jbpm.process.instance.ProcessInstance.STATE_COMPLETED);</action>\n" +
" </exceptionHandler>\n" +
" </exceptionHandlers>\n" +
" </header>\n" +
"\n" +
" <nodes>\n" +
" <start id=\"1\" name=\"Start\" />\n" +
" <fault id=\"2\" name=\"Fault\" faultName=\"myFault\" />\n" +
" </nodes>\n" +
"\n" +
" <connections>\n" +
" <connection from=\"1\" to=\"2\" />\n" +
" </connections>\n" +
"\n" +
"</process>");
builder.addRuleFlow(source);
Package pkg = builder.getPackage();
RuleBase ruleBase = RuleBaseFactory.newRuleBase();
ruleBase.addPackage( pkg );
WorkingMemory workingMemory = ruleBase.newStatefulSession();
ProcessInstance processInstance = ( ProcessInstance )
workingMemory.startProcess("org.drools.exception");
assertEquals(ProcessInstance.STATE_COMPLETED, processInstance.getState());
}
public void testCompositeNodeExceptionHandlerTriggerNode() {
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.exception\" package-name=\"org.drools\" version=\"1\" >\n" +
"\n" +
" <header>\n" +
" <globals>\n" +
" <global identifier=\"list\" type=\"java.util.List\" />\n" +
" </globals>\n" +
" </header>\n" +
"\n" +
" <nodes>\n" +
" <start id=\"1\" name=\"Start\" />\n" +
" <composite id=\"2\" name=\"Composite\" >\n" +
" <variables>\n" +
" <variable name=\"SomeVar\" >\n" +
" <type name=\"org.drools.process.core.datatype.impl.type.StringDataType\" />\n" +
" <value>SomeValue</value>\n" +
" </variable>\n" +
" <variable name=\"FaultVariable\" >\n" +
" <type name=\"org.drools.process.core.datatype.impl.type.StringDataType\" />\n" +
" </variable>\n" +
" </variables>\n" +
" <exceptionHandlers>\n" +
" <exceptionHandler faultName=\"MyFault\" type=\"action\" faultVariable=\"FaultVariable\" >\n" +
" <action type=\"expression\" name=\"Trigger\" dialect=\"java\" >context.getProcessInstance().signalEvent(\"MyEvent\", null);</action>\n" +
" </exceptionHandler>\n" +
" </exceptionHandlers>\n" +
" <nodes>\n" +
" <fault id=\"1\" name=\"Fault\" faultName=\"MyFault\" faultVariable=\"SomeVar\" />\n" +
" <eventNode id=\"2\" name=\"Event\" >\n" +
" <eventFilters>\n" +
" <eventFilter type=\"eventType\" eventType=\"MyEvent\" />\n" +
" </eventFilters>\n" +
" </eventNode>\n" +
" <actionNode id=\"3\" name=\"Action\" >\n" +
" <action type=\"expression\" dialect=\"java\" >list.add(context.getVariable(\"FaultVariable\"));</action>\n" +
" </actionNode>\n" +
" </nodes>\n" +
" <connections>\n" +
" <connection from=\"2\" to=\"3\" />\n" +
" </connections>\n" +
" <in-ports>\n" +
" <in-port type=\"DROOLS_DEFAULT\" nodeId=\"1\" nodeInType=\"DROOLS_DEFAULT\" />\n" +
" </in-ports>\n" +
" <out-ports>\n" +
" <out-port type=\"DROOLS_DEFAULT\" nodeId=\"3\" nodeOutType=\"DROOLS_DEFAULT\" />\n" +
" </out-ports>\n" +
" </composite>\n" +
" <end id=\"3\" name=\"End\" />" +
" </nodes>\n" +
"\n" +
" <connections>\n" +
" <connection from=\"1\" to=\"2\" />\n" +
" <connection from=\"2\" to=\"3\" />\n" +
" </connections>\n" +
"\n" +
"</process>");
builder.addRuleFlow(source);
Package pkg = builder.getPackage();
RuleBase ruleBase = RuleBaseFactory.newRuleBase();
ruleBase.addPackage( pkg );
WorkingMemory workingMemory = ruleBase.newStatefulSession();
List<String> list = new ArrayList<String>();
workingMemory.setGlobal("list", list);
ProcessInstance processInstance = ( ProcessInstance )
workingMemory.startProcess("org.drools.exception");
assertEquals(1, list.size());
assertEquals("SomeValue", list.get(0));
assertEquals(ProcessInstance.STATE_COMPLETED, processInstance.getState());
}
public void testNestedExceptionHandler() {
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.exception\" package-name=\"org.drools\" version=\"1\" >\n" +
"\n" +
" <header>\n" +
" <globals>\n" +
" <global identifier=\"list\" type=\"java.util.List\" />\n" +
" </globals>\n" +
" <exceptionHandlers>\n" +
" <exceptionHandler faultName=\"otherFault\" type=\"action\" >\n" +
" <action type=\"expression\" name=\"Print\" dialect=\"java\" >list.add(\"Triggered global exception scope\");</action>\n" +
" </exceptionHandler>\n" +
" </exceptionHandlers>\n" +
" </header>\n" +
"\n" +
" <nodes>\n" +
" <start id=\"1\" name=\"Start\" />\n" +
" <composite id=\"2\" name=\"Composite\" >\n" +
" <variables>\n" +
" <variable name=\"SomeVar\" >\n" +
" <type name=\"org.drools.process.core.datatype.impl.type.StringDataType\" />\n" +
" <value>SomeValue</value>\n" +
" </variable>\n" +
" <variable name=\"FaultVariable\" >\n" +
" <type name=\"org.drools.process.core.datatype.impl.type.StringDataType\" />\n" +
" </variable>\n" +
" </variables>\n" +
" <exceptionHandlers>\n" +
" <exceptionHandler faultName=\"MyFault\" type=\"action\" faultVariable=\"FaultVariable\" >\n" +
" <action type=\"expression\" name=\"Trigger\" dialect=\"java\" >((org.jbpm.workflow.instance.node.CompositeNodeInstance) context.getNodeInstance()).signalEvent(\"MyEvent\", null);</action>\n" +
" </exceptionHandler>\n" +
" </exceptionHandlers>\n" +
" <nodes>\n" +
" <fault id=\"1\" name=\"Fault\" faultName=\"MyFault\" faultVariable=\"SomeVar\" />\n" +
" <eventNode id=\"2\" name=\"Event\" >\n" +
" <eventFilters>\n" +
" <eventFilter type=\"eventType\" eventType=\"MyEvent\" />\n" +
" </eventFilters>\n" +
" </eventNode>\n" +
" <fault id=\"3\" name=\"Fault\" faultName=\"otherFault\" />\n" +
" </nodes>\n" +
" <connections>\n" +
" <connection from=\"2\" to=\"3\" />\n" +
" </connections>\n" +
" <in-ports>\n" +
" <in-port type=\"DROOLS_DEFAULT\" nodeId=\"1\" nodeInType=\"DROOLS_DEFAULT\" />\n" +
" </in-ports>\n" +
" </composite>\n" +
" <end id=\"3\" name=\"End\" />" +
" </nodes>\n" +
"\n" +
" <connections>\n" +
" <connection from=\"1\" to=\"2\" />\n" +
" <connection from=\"2\" to=\"3\" />\n" +
" </connections>\n" +
"\n" +
"</process>");
builder.addRuleFlow(source);
Package pkg = builder.getPackage();
RuleBase ruleBase = RuleBaseFactory.newRuleBase();
ruleBase.addPackage( pkg );
WorkingMemory workingMemory = ruleBase.newStatefulSession();
List<String> list = new ArrayList<String>();
workingMemory.setGlobal("list", list);
ProcessInstance processInstance = ( ProcessInstance )
workingMemory.startProcess("org.drools.exception");
assertEquals(1, list.size());
assertEquals(ProcessInstance.STATE_ACTIVE, processInstance.getState());
}
}