package org.drools.integrationtests; import static org.drools.integrationtests.SerializationHelper.getSerialisedStatefulSession; import java.io.ByteArrayInputStream; import java.io.ByteArrayOutputStream; import java.io.StringReader; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import junit.framework.TestCase; import org.drools.Person; import org.drools.RuleBase; import org.drools.RuleBaseFactory; import org.drools.StatefulSession; import org.drools.compiler.PackageBuilder; import org.drools.impl.StatefulKnowledgeSessionImpl; import org.drools.marshalling.Marshaller; import org.drools.marshalling.MarshallerFactory; 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.reteoo.ReteooWorkingMemory; import org.drools.rule.Package; import org.drools.runtime.StatefulKnowledgeSession; import org.drools.runtime.process.WorkItem; import org.drools.runtime.process.WorkItemHandler; import org.drools.runtime.process.WorkItemManager; public class ProcessMarshallingTest extends TestCase { @SuppressWarnings("unchecked") public void test1() throws Exception { String rule = "package org.test;\n"; rule += "import org.drools.Person\n"; rule += "global java.util.List list\n"; rule += "rule \"Rule 1\"\n"; rule += " ruleflow-group \"hello\"\n"; rule += "when\n"; rule += " $p : Person( ) \n"; rule += "then\n"; rule += " list.add( $p );\n"; rule += "end"; final PackageBuilder builder = new PackageBuilder(); builder.addPackageFromDrl( new StringReader( rule )); String process = "<?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=\"ruleflow\" id=\"org.test.ruleflow\" package-name=\"org.test\" >\n" + " <header>\n" + " </header>\n" + " <nodes>\n" + " <start id=\"1\" name=\"Start\" />\n" + " <ruleSet id=\"2\" name=\"Hello\" ruleFlowGroup=\"hello\" />\n" + " <end id=\"3\" name=\"End\" />\n" + " </nodes>\n" + " <connections>\n" + " <connection from=\"1\" to=\"2\"/>\n" + " <connection from=\"2\" to=\"3\"/>\n" + " </connections>\n" + "</process>"; builder.addProcessFromXml( new StringReader( process )); final Package pkg = builder.getPackage(); final RuleBase ruleBase = RuleBaseFactory.newRuleBase(); ruleBase.addPackage(pkg); StatefulSession session = ruleBase.newStatefulSession(); List<Object> list = new ArrayList<Object>(); session.setGlobal( "list", list ); Person p = new Person( "bobba fet", 32); session.insert( p ); session.startProcess("org.test.ruleflow"); assertEquals(1, session.getProcessInstances().size()); session = getSerialisedStatefulSession( session ); assertEquals(1, session.getProcessInstances().size()); session.fireAllRules(); assertEquals( 1, ((List<Object>) session.getGlobal("list")).size()); assertEquals( p, ((List<Object>) session.getGlobal("list")).get(0)); assertEquals(0, session.getProcessInstances().size()); } public void test2() throws Exception { String process = "<?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=\"ruleflow\" id=\"org.test.ruleflow\" package-name=\"org.test\" >\n" + " <header>\n" + " <variables>\n" + " <variable name=\"myVariable\" >\n" + " <type name=\"org.drools.process.core.datatype.impl.type.StringDataType\" />\n" + " <value>OldValue</value>\n" + " </variable>\n" + " </variables>\n" + " </header>\n" + " <nodes>\n" + " <start id=\"1\" name=\"Start\" />\n" + " <workItem id=\"2\" name=\"Email\" >\n" + " <work name=\"Email\" >\n" + " <parameter name=\"Subject\" >\n" + " <type name=\"org.drools.process.core.datatype.impl.type.StringDataType\" />\n" + " <value>Mail</value>\n" + " </parameter>\n" + " <parameter name=\"Text\" >\n" + " <type name=\"org.drools.process.core.datatype.impl.type.StringDataType\" />\n" + " <value>This is an email</value>\n" + " </parameter>\n" + " <parameter name=\"To\" >\n" + " <type name=\"org.drools.process.core.datatype.impl.type.StringDataType\" />\n" + " <value>you@mail.com</value>\n" + " </parameter>\n" + " <parameter name=\"From\" >\n" + " <type name=\"org.drools.process.core.datatype.impl.type.StringDataType\" />\n" + " <value>me@mail.com</value>\n" + " </parameter>\n" + " </work>\n" + " </workItem>\n" + " <end id=\"3\" name=\"End\" />\n" + " </nodes>\n" + " <connections>\n" + " <connection from=\"1\" to=\"2\"/>\n" + " <connection from=\"2\" to=\"3\"/>\n" + " </connections>\n" + "</process>"; final PackageBuilder builder = new PackageBuilder(); builder.addProcessFromXml( new StringReader( process )); final Package pkg = builder.getPackage(); final RuleBase ruleBase = RuleBaseFactory.newRuleBase(); ruleBase.addPackage(pkg); StatefulSession session = ruleBase.newStatefulSession(); TestWorkItemHandler handler = new TestWorkItemHandler(); session.getWorkItemManager().registerWorkItemHandler("Email", handler); Map<String, Object> variables = new HashMap<String, Object>(); variables.put("myVariable", "ThisIsMyValue"); session.startProcess("org.test.ruleflow", variables); assertEquals(1, session.getProcessInstances().size()); assertTrue(handler.getWorkItem() != null); session = getSerialisedStatefulSession( session ); assertEquals(1, session.getProcessInstances().size()); VariableScopeInstance variableScopeInstance = (VariableScopeInstance) (( ProcessInstance )session.getProcessInstances().iterator().next()).getContextInstance(VariableScope.VARIABLE_SCOPE); assertEquals("ThisIsMyValue", variableScopeInstance.getVariable("myVariable")); session.getWorkItemManager().completeWorkItem(handler.getWorkItem().getId(), null); assertEquals(0, session.getProcessInstances().size()); } public void test3() throws Exception { String process1 = "<?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=\"ruleflow\" id=\"com.sample.ruleflow\" package-name=\"com.sample\" >\n" + "\n" + " <header>\n" + " <imports>\n" + " <import name=\"org.drools.Person\" />\n" + " </imports>\n" + " <swimlanes>\n" + " <swimlane name=\"swimlane\" />\n" + " </swimlanes>\n" + " </header>\n" + "\n" + " <nodes>\n" + " <start id=\"1\" name=\"Start\" />\n" + " <end id=\"4\" name=\"End\" />\n" + " <split id=\"5\" name=\"AND\" type=\"1\" />\n" + " <subProcess id=\"6\" name=\"SubProcess\" processId=\"com.sample.subflow\" />\n" + " <actionNode id=\"7\" name=\"Action\" >\n" + " <action type=\"expression\" dialect=\"mvel\" >System.out.println(\"Executing action 1\");</action>\n" + " </actionNode>\n" + " <join id=\"8\" name=\"AND\" type=\"1\" />\n" + " <actionNode id=\"9\" name=\"Action\" >\n" + " <action type=\"expression\" dialect=\"mvel\" >System.out.println(\"Executing action 2\");</action>\n" + " </actionNode>\n" + " <ruleSet id=\"10\" name=\"RuleSet\" ruleFlowGroup=\"flowgroup\" />\n" + " <milestone id=\"11\" name=\"Event Wait\" >\n" + " <constraint type=\"rule\" dialect=\"mvel\" >Person( )</constraint>\n" + " </milestone>\n" + " <workItem id=\"12\" name=\"Log\" >\n" + " <work name=\"Log\" >\n" + " <parameter name=\"Message\" >\n" + " <type name=\"org.drools.process.core.datatype.impl.type.StringDataType\" />\n" + " <value>This is a log message</value>\n" + " </parameter>\n" + " </work>\n" + " </workItem>\n" + " <composite id=\"13\" name=\"CompositeNode\" >\n" + " <variables>\n" + " <variable name=\"x\" >\n" + " <type name=\"org.drools.process.core.datatype.impl.type.StringDataType\" />\n" + " <value>x-value</value>\n" + " </variable>\n" + " </variables>\n" + " <nodes>\n" + " <humanTask id=\"1\" name=\"Human Task\" swimlane=\"swimlane\" >\n" + " <work name=\"Human Task\" >\n" + " <parameter name=\"ActorId\" >\n" + " <type name=\"org.drools.process.core.datatype.impl.type.StringDataType\" />\n" + " <value>John Doe</value>\n" + " </parameter>\n" + " <parameter name=\"Priority\" >\n" + " <type name=\"org.drools.process.core.datatype.impl.type.StringDataType\" />\n" + " </parameter>\n" + " <parameter name=\"TaskName\" >\n" + " <type name=\"org.drools.process.core.datatype.impl.type.StringDataType\" />\n" + " <value>Do something !</value>\n" + " </parameter>\n" + " <parameter name=\"Comment\" >\n" + " <type name=\"org.drools.process.core.datatype.impl.type.StringDataType\" />\n" + " </parameter>\n" + " </work>\n" + " </humanTask>\n" + " <humanTask id=\"2\" name=\"Human Task\" swimlane=\"swimlane\" >\n" + " <work name=\"Human Task\" >\n" + " <parameter name=\"ActorId\" >\n" + " <type name=\"org.drools.process.core.datatype.impl.type.StringDataType\" />\n" + " </parameter>\n" + " <parameter name=\"Priority\" >\n" + " <type name=\"org.drools.process.core.datatype.impl.type.StringDataType\" />\n" + " </parameter>\n" + " <parameter name=\"TaskName\" >\n" + " <type name=\"org.drools.process.core.datatype.impl.type.StringDataType\" />\n" + " <value>Do something else !</value>\n" + " </parameter>\n" + " <parameter name=\"Comment\" >\n" + " <type name=\"org.drools.process.core.datatype.impl.type.StringDataType\" />\n" + " </parameter>\n" + " </work>\n" + " <mapping type=\"in\" from=\"x\" to=\"Priority\" />\n" + " </humanTask>\n" + " </nodes>\n" + " <connections>\n" + " <connection from=\"1\" to=\"2\" />\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=\"2\" nodeOutType=\"DROOLS_DEFAULT\" />\n" + " </out-ports>\n" + " </composite>\n" + " </nodes>\n" + "\n" + " <connections>\n" + " <connection from=\"9\" to=\"4\" />\n" + " <connection from=\"1\" to=\"5\" />\n" + " <connection from=\"5\" to=\"6\" />\n" + " <connection from=\"5\" to=\"7\" />\n" + " <connection from=\"7\" to=\"8\" />\n" + " <connection from=\"6\" to=\"8\" />\n" + " <connection from=\"10\" to=\"8\" />\n" + " <connection from=\"11\" to=\"8\" />\n" + " <connection from=\"12\" to=\"8\" />\n" + " <connection from=\"13\" to=\"8\" />\n" + " <connection from=\"8\" to=\"9\" />\n" + " <connection from=\"5\" to=\"10\" />\n" + " <connection from=\"5\" to=\"11\" />\n" + " <connection from=\"5\" to=\"12\" />\n" + " <connection from=\"5\" to=\"13\" />\n" + " </connections>\n" + "\n" + "</process>\n"; final PackageBuilder builder = new PackageBuilder(); builder.addProcessFromXml( new StringReader( process1 )); String process2 = "<?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=\"com.sample.subflow\" package-name=\"com.sample\" >\n" + "\n" + " <header>\n" + " <imports>\n" + " <import name=\"org.drools.Person\" />\n" + " </imports>\n" + " </header>\n" + "\n" + " <nodes>\n" + " <start id=\"1\" name=\"Start\" />\n" + " <milestone id=\"2\" name=\"Event Wait\" >\n" + " <constraint type=\"rule\" dialect=\"mvel\" >Person( )</constraint>\n" + " </milestone>\n" + " <end id=\"3\" name=\"End\" />\n" + " </nodes>\n" + "\n" + " <connections>\n" + " <connection from=\"1\" to=\"2\" />\n" + " <connection from=\"2\" to=\"3\" />\n" + " </connections>\n" + "\n" + "</process>\n"; builder.addProcessFromXml( new StringReader( process2 )); String rule = "package com.sample\n" + "import org.drools.Person;\n" + "rule \"Hello\" ruleflow-group \"flowgroup\"\n" + " when\n" + " then\n" + " System.out.println( \"Hello\" );\n" + "end"; builder.addPackageFromDrl( new StringReader( rule )); final Package pkg = builder.getPackage(); final RuleBase ruleBase = RuleBaseFactory.newRuleBase(); ruleBase.addPackage(pkg); StatefulSession session = ruleBase.newStatefulSession(); TestWorkItemHandler handler1 = new TestWorkItemHandler(); session.getWorkItemManager().registerWorkItemHandler("Log", handler1); TestWorkItemHandler handler2 = new TestWorkItemHandler(); session.getWorkItemManager().registerWorkItemHandler("Human Task", handler2); session.startProcess("com.sample.ruleflow"); assertEquals(2, session.getProcessInstances().size()); assertTrue(handler1.getWorkItem() != null); long workItemId = handler2.getWorkItem().getId(); assertTrue(workItemId != -1); session = getSerialisedStatefulSession( session ); session.getWorkItemManager().registerWorkItemHandler("Human Task", handler2); assertEquals(2, session.getProcessInstances().size()); handler2.reset(); session.getWorkItemManager().completeWorkItem(workItemId, null); assertTrue(handler2.getWorkItem() != null); assertEquals("John Doe", handler2.getWorkItem().getParameter("ActorId")); assertEquals("x-value", handler2.getWorkItem().getParameter("Priority")); session.getWorkItemManager().completeWorkItem(handler1.getWorkItem().getId(), null); session.getWorkItemManager().completeWorkItem(handler2.getWorkItem().getId(), null); session.insert(new Person()); session.fireAllRules(); assertEquals(0, session.getProcessInstances().size()); } public void test4() throws Exception { String process = "<?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=\"ruleflow\" id=\"com.sample.ruleflow\" package-name=\"com.sample\" >\n" + "\n" + " <header>\n" + " <variables>\n" + " <variable name=\"list\" >\n" + " <type name=\"org.drools.process.core.datatype.impl.type.ObjectDataType\" className=\"java.util.List\" />\n" + " </variable>\n" + " </variables>\n" + " </header>\n" + "\n" + " <nodes>\n" + " <forEach id=\"4\" name=\"ForEach\" variableName=\"item\" collectionExpression=\"list\" >\n" + " <nodes>\n" + " <humanTask id=\"1\" name=\"Human Task\" >\n" + " <work name=\"Human Task\" >\n" + " <parameter name=\"Comment\" >\n" + " <type name=\"org.drools.process.core.datatype.impl.type.StringDataType\" />\n" + " </parameter>\n" + " <parameter name=\"ActorId\" >\n" + " <type name=\"org.drools.process.core.datatype.impl.type.StringDataType\" />\n" + " </parameter>\n" + " <parameter name=\"Priority\" >\n" + " <type name=\"org.drools.process.core.datatype.impl.type.StringDataType\" />\n" + " </parameter>\n" + " <parameter name=\"TaskName\" >\n" + " <type name=\"org.drools.process.core.datatype.impl.type.StringDataType\" />\n" + " <value>Do something: #{item}</value>\n" + " </parameter>\n" + " </work>\n" + " </humanTask>\n" + " <humanTask id=\"2\" name=\"Human Task Again\" >\n" + " <work name=\"Human Task\" >\n" + " <parameter name=\"Comment\" >\n" + " <type name=\"org.drools.process.core.datatype.impl.type.StringDataType\" />\n" + " </parameter>\n" + " <parameter name=\"ActorId\" >\n" + " <type name=\"org.drools.process.core.datatype.impl.type.StringDataType\" />\n" + " </parameter>\n" + " <parameter name=\"Priority\" >\n" + " <type name=\"org.drools.process.core.datatype.impl.type.StringDataType\" />\n" + " </parameter>\n" + " <parameter name=\"TaskName\" >\n" + " <type name=\"org.drools.process.core.datatype.impl.type.StringDataType\" />\n" + " <value>Do something else: #{item}</value>\n" + " </parameter>\n" + " </work>\n" + " </humanTask>\n" + " </nodes>\n" + " <connections>\n" + " <connection from=\"1\" to=\"2\" />\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=\"2\" nodeOutType=\"DROOLS_DEFAULT\" />\n" + " </out-ports>\n" + " </forEach>\n" + " <start id=\"1\" name=\"Start\" />\n" + " <end id=\"3\" name=\"End\" />\n" + " </nodes>\n" + "\n" + " <connections>\n" + " <connection from=\"1\" to=\"4\" />\n" + " <connection from=\"4\" to=\"3\" />\n" + " </connections>\n" + "\n" + "</process>\n"; final PackageBuilder builder = new PackageBuilder(); builder.addProcessFromXml( new StringReader( process )); final Package pkg = builder.getPackage(); final RuleBase ruleBase = RuleBaseFactory.newRuleBase(); ruleBase.addPackage(pkg); StatefulSession session = ruleBase.newStatefulSession(); TestListWorkItemHandler handler = new TestListWorkItemHandler(); session.getWorkItemManager().registerWorkItemHandler("Human Task", handler); List<String> list = new ArrayList<String>(); list.add("one"); list.add("two"); list.add("three"); Map<String, Object> parameters = new HashMap<String, Object>(); parameters.put("list", list); session.startProcess("com.sample.ruleflow", parameters); assertEquals(1, session.getProcessInstances().size()); assertEquals(3, handler.getWorkItems().size()); session = getSerialisedStatefulSession( session ); session.getWorkItemManager().registerWorkItemHandler("Human Task", handler); List<WorkItem> workItems = new ArrayList<WorkItem>(handler.getWorkItems()); handler.reset(); for (WorkItem workItem: workItems) { session.getWorkItemManager().completeWorkItem(workItem.getId(), null); } assertEquals(1, session.getProcessInstances().size()); assertEquals(3, handler.getWorkItems().size()); session = getSerialisedStatefulSession( session ); for (WorkItem workItem: handler.getWorkItems()) { session.getWorkItemManager().completeWorkItem(workItem.getId(), null); } assertEquals(0, session.getProcessInstances().size()); } public void test5() throws Exception { String process = "<?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=\"ruleflow\" id=\"com.sample.ruleflow\" package-name=\"com.sample\" >\n" + "\n" + " <header>\n" + " </header>\n" + "\n" + " <nodes>\n" + " <start id=\"1\" name=\"Start\" />\n" + " <timerNode id=\"4\" name=\"Timer\" delay=\"200\" />\n" + " <end id=\"3\" name=\"End\" />\n" + " </nodes>\n" + "\n" + " <connections>\n" + " <connection from=\"1\" to=\"4\" />\n" + " <connection from=\"4\" to=\"3\" />\n" + " </connections>\n" + "\n" + "</process>\n"; final PackageBuilder builder = new PackageBuilder(); builder.addProcessFromXml( new StringReader( process )); final Package pkg = builder.getPackage(); final RuleBase ruleBase = RuleBaseFactory.newRuleBase(); ruleBase.addPackage(pkg); final StatefulSession session = ruleBase.newStatefulSession(); new Thread(new Runnable() { public void run() { session.fireUntilHalt(); } }).start(); session.startProcess("com.sample.ruleflow", null); assertEquals(1, session.getProcessInstances().size()); session.halt(); final StatefulSession session2 = getSerialisedStatefulSession( session ); new Thread(new Runnable() { public void run() { session2.fireUntilHalt(); } }).start(); Thread.sleep(400); assertEquals(0, session2.getProcessInstances().size()); session2.halt(); } public void test6() throws Exception { String process = "<?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=\"ruleflow\" id=\"com.sample.ruleflow\" package-name=\"com.sample\" >\n" + "\n" + " <header>\n" + " </header>\n" + "\n" + " <nodes>\n" + " <start id=\"1\" name=\"Start\" />\n" + " <timerNode id=\"4\" name=\"Timer\" delay=\"200\" />\n" + " <end id=\"3\" name=\"End\" />\n" + " </nodes>\n" + "\n" + " <connections>\n" + " <connection from=\"1\" to=\"4\" />\n" + " <connection from=\"4\" to=\"3\" />\n" + " </connections>\n" + "\n" + "</process>\n"; final PackageBuilder builder = new PackageBuilder(); builder.addProcessFromXml( new StringReader( process )); final Package pkg = builder.getPackage(); final RuleBase ruleBase = RuleBaseFactory.newRuleBase(); ruleBase.addPackage(pkg); final StatefulSession session = ruleBase.newStatefulSession(); new Thread(new Runnable() { public void run() { session.fireUntilHalt(); } }).start(); session.startProcess("com.sample.ruleflow", null); assertEquals(1, session.getProcessInstances().size()); StatefulKnowledgeSession ksession = new StatefulKnowledgeSessionImpl( (ReteooWorkingMemory) session ); Marshaller marshaller = MarshallerFactory.newMarshaller( ksession.getKnowledgeBase() ); ByteArrayOutputStream baos = new ByteArrayOutputStream(); marshaller.marshall( baos, ksession ); byte[] b1 = baos.toByteArray(); session.halt(); session.dispose(); Thread.sleep(400); ByteArrayInputStream bais = new ByteArrayInputStream( b1 ); final StatefulSession session2 = ( StatefulSession ) (( StatefulKnowledgeSessionImpl) marshaller.unmarshall( bais ) ).session; new Thread(new Runnable() { public void run() { session2.fireUntilHalt(); } }).start(); Thread.sleep(100); assertEquals(0, session2.getProcessInstances().size()); session2.halt(); } private static class TestWorkItemHandler implements WorkItemHandler { private WorkItem workItem; public void executeWorkItem(WorkItem workItem, WorkItemManager manager) { this.workItem = workItem; } public void abortWorkItem(WorkItem workItem, WorkItemManager manager) { } public WorkItem getWorkItem() { return workItem; } public void reset() { workItem = null; } } private static class TestListWorkItemHandler implements WorkItemHandler { private List<WorkItem> workItems = new ArrayList<WorkItem>(); public void executeWorkItem(WorkItem workItem, WorkItemManager manager) { System.out.println("Executing workItem " + workItem.getParameter("TaskName")); workItems.add(workItem); } public void abortWorkItem(WorkItem workItem, WorkItemManager manager) { workItems.remove(workItem); } public List<WorkItem> getWorkItems() { return workItems; } public void reset() { workItems.clear(); } } }