@Test
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.jbpm.integrationtests.test.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.core.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.core.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.core.process.core.datatype.impl.type.StringDataType\" />\n"
+ " <value>John Doe</value>\n"
+ " </parameter>\n"
+ " <parameter name=\"Priority\" >\n"
+ " <type name=\"org.drools.core.process.core.datatype.impl.type.StringDataType\" />\n"
+ " </parameter>\n"
+ " <parameter name=\"TaskName\" >\n"
+ " <type name=\"org.drools.core.process.core.datatype.impl.type.StringDataType\" />\n"
+ " <value>Do something !</value>\n"
+ " </parameter>\n"
+ " <parameter name=\"Comment\" >\n"
+ " <type name=\"org.drools.core.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.core.process.core.datatype.impl.type.StringDataType\" />\n"
+ " </parameter>\n"
+ " <parameter name=\"Priority\" >\n"
+ " <type name=\"org.drools.core.process.core.datatype.impl.type.StringDataType\" />\n"
+ " </parameter>\n"
+ " <parameter name=\"TaskName\" >\n"
+ " <type name=\"org.drools.core.process.core.datatype.impl.type.StringDataType\" />\n"
+ " <value>Do something else !</value>\n"
+ " </parameter>\n"
+ " <parameter name=\"Comment\" >\n"
+ " <type name=\"org.drools.core.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.jbpm.integrationtests.test.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.jbpm.integrationtests.test.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());
}
@Test
public void testVariablePersistenceMarshallingStrategies() 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.core.process.core.datatype.impl.type.StringDataType\" />\n"
+ " <value>OldValue</value>\n"
+ " </variable>\n"
+ " <variable name=\"myPerson\" >\n"
+ " <type name=\"org.drools.core.process.core.datatype.impl.type.ObjectDataType\" className=\"org.jbpm.integrationtests.test.Person\"/>\n"
+ " </variable>\n"
+ " </variables>\n"
+ " </header>\n"
+ " <nodes>\n"
+ " <start id=\"1\" name=\"Start\" />\n"
+ " <workItem id=\"2\" name=\"Email\" >\n"
+ " <work name=\"Report\" >\n"
+ " <parameter name=\"Subject\" >\n"
+ " <type name=\"org.drools.core.process.core.datatype.impl.type.StringDataType\" />\n"
+ " <value>Mail</value>\n"
+ " </parameter>\n"
+ " <parameter name=\"Subject\" >\n"
+ " <type name=\"org.drools.core.process.core.datatype.impl.type.StringDataType\" />\n"
+ " <value>Mail</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("Report", handler);
Map<String, Object> variables = new HashMap<String, Object>();
variables.put("myVariable", "ThisIsMyValue");
Person myPerson = new Person("Nikola Tesla", 156);
variables.put("myPerson", myPerson);
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"));
assertEquals(myPerson, variableScopeInstance.getVariable("myPerson"));
session.getWorkItemManager().completeWorkItem(handler.getWorkItem().getId(), null);
assertEquals(0, session.getProcessInstances().size());
}
public void testWorkItem() {
KnowledgeBuilder kbuilder = KnowledgeBuilderFactory.newKnowledgeBuilder();
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.actions\" package-name=\"org.drools\" version=\"1\" >\n"
+ "\n"
+ " <header>\n"
+ " <variables>\n"
+ " <variable name=\"UserName\" >\n"
+ " <type name=\"org.drools.core.process.core.datatype.impl.type.StringDataType\" />\n"
+ " <value>John Doe</value>\n"
+ " </variable>\n"
+ " <variable name=\"Person\" >\n"
+ " <type name=\"org.drools.core.process.core.datatype.impl.type.ObjectDataType\" className=\"org.jbpm.Person\" />\n"
+ " </variable>\n"
+ " <variable name=\"MyObject\" >\n"
+ " <type name=\"org.drools.core.process.core.datatype.impl.type.StringDataType\" />\n"
+ " </variable>\n"
+ " <variable name=\"Number\" >\n"
+ " <type name=\"org.drools.core.process.core.datatype.impl.type.IntegerDataType\" />\n"
+ " </variable>\n"
+ " </variables>\n"
+ " </header>\n"
+ "\n"
+ " <nodes>\n"
+ " <start id=\"1\" name=\"Start\" />\n"
+ " <workItem id=\"2\" name=\"HumanTask\" >\n"
+ " <work name=\"Human Task\" >\n"
+ " <parameter name=\"ActorId\" >\n"
+ " <type name=\"org.drools.core.process.core.datatype.impl.type.StringDataType\" />\n"
+ " <value>#{UserName}</value>\n"
+ " </parameter>\n"
+ " <parameter name=\"Content\" >\n"
+ " <type name=\"org.drools.core.process.core.datatype.impl.type.StringDataType\" />\n"
+ " <value>#{Person.name}</value>\n"
+ " </parameter>\n"
+ " <parameter name=\"TaskName\" >\n"
+ " <type name=\"org.drools.core.process.core.datatype.impl.type.StringDataType\" />\n"
+ " <value>Do something</value>\n"
+ " </parameter>\n"
+ " <parameter name=\"Priority\" >\n"
+ " <type name=\"org.drools.core.process.core.datatype.impl.type.StringDataType\" />\n"
+ " </parameter>\n"
+ " <parameter name=\"Comment\" >\n"
+ " <type name=\"org.drools.core.process.core.datatype.impl.type.StringDataType\" />\n"
+ " </parameter>\n"
+ " <parameter name=\"Attachment\" >\n"
+ " <type name=\"org.drools.core.process.core.datatype.impl.type.StringDataType\" />\n"
+ " </parameter>\n"
+ " </work>\n"
+ " <mapping type=\"in\" from=\"MyObject\" to=\"Attachment\" />"
+ " <mapping type=\"in\" from=\"Person.name\" to=\"Comment\" />"
+ " <mapping type=\"out\" from=\"Result\" to=\"MyObject\" />"
+ " <mapping type=\"out\" from=\"Result.length()\" to=\"Number\" />"
+ " </workItem>\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>");
kbuilder.add(ResourceFactory.newReaderResource(source), ResourceType.DRF);
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
kbase.addKnowledgePackages(kbuilder.getKnowledgePackages());
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
TestWorkItemHandler handler = new TestWorkItemHandler();
ksession.getWorkItemManager().registerWorkItemHandler("Human Task", handler);
Map<String, Object> parameters = new HashMap<String, Object>();
parameters.put("UserName", "John Doe");
Person person = new Person();
person.setName("John Doe");
parameters.put("Person", person);
WorkflowProcessInstance processInstance =
(WorkflowProcessInstance) ksession.startProcess("org.drools.actions", parameters);
assertEquals(ProcessInstance.STATE_ACTIVE, processInstance.getState());
WorkItem workItem = handler.getWorkItem();
assertNotNull(workItem);
assertEquals("John Doe", workItem.getParameter("ActorId"));
assertEquals("John Doe", workItem.getParameter("Content"));
assertEquals("John Doe", workItem.getParameter("Comment"));
ksession.getWorkItemManager().completeWorkItem(workItem.getId(), null);
assertEquals(ProcessInstance.STATE_COMPLETED, processInstance.getState());
parameters = new HashMap<String, Object>();
parameters.put("UserName", "Jane Doe");
parameters.put("MyObject", "SomeString");
person = new Person();
person.setName("Jane Doe");
parameters.put("Person", person);
processInstance =
(WorkflowProcessInstance) ksession.startProcess("org.drools.actions", parameters);
assertEquals(ProcessInstance.STATE_ACTIVE, processInstance.getState());
workItem = handler.getWorkItem();
assertNotNull(workItem);
assertEquals("Jane Doe", workItem.getParameter("ActorId"));
assertEquals("SomeString", workItem.getParameter("Attachment"));
assertEquals("Jane Doe", workItem.getParameter("Content"));
assertEquals("Jane Doe", workItem.getParameter("Comment"));
Map<String, Object> results = new HashMap<String, Object>();
results.put("Result", "SomeOtherString");
ksession.getWorkItemManager().completeWorkItem(workItem.getId(), results);
assertEquals(ProcessInstance.STATE_COMPLETED, processInstance.getState());
assertEquals("SomeOtherString", processInstance.getVariable("MyObject"));
assertEquals(15, processInstance.getVariable("Number"));
}