package org.drools.integrationtests;
import java.io.Reader;
import java.io.StringReader;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import junit.framework.TestCase;
import org.drools.KnowledgeBase;
import org.drools.KnowledgeBaseFactory;
import org.drools.Message;
import org.drools.builder.KnowledgeBuilder;
import org.drools.builder.KnowledgeBuilderFactory;
import org.drools.builder.ResourceType;
import org.drools.io.impl.ReaderResource;
import org.drools.runtime.ObjectFilter;
import org.drools.runtime.StatefulKnowledgeSession;
import org.drools.runtime.process.ProcessInstance;
import org.drools.runtime.process.WorkItem;
import org.drools.runtime.process.WorkItemHandler;
import org.drools.runtime.process.WorkItemManager;
import org.drools.runtime.rule.FactHandle;
public class ProcessActionTest extends TestCase {
public void testOnEntryExit() {
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" +
" <globals>\n" +
" <global identifier=\"list\" type=\"java.util.List\" />\n" +
" </globals>\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.process.core.datatype.impl.type.StringDataType\" />\n" +
" <value>John Doe</value>\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=\"Priority\" >\n" +
" <type name=\"org.drools.process.core.datatype.impl.type.StringDataType\" />\n" +
" </parameter>\n" +
" <parameter name=\"Comment\" >\n" +
" <type name=\"org.drools.process.core.datatype.impl.type.StringDataType\" />\n" +
" </parameter>\n" +
" </work>\n" +
" <onEntry>\n" +
" <action type=\"expression\" name=\"Print\" dialect=\"mvel\" >list.add(\"Executing on entry action\");</action>\n" +
" </onEntry>\n" +
" <onExit>\n" +
" <action type=\"expression\" name=\"Print\" dialect=\"java\" >list.add(\"Executing on exit action1\");</action>\n" +
" <action type=\"expression\" name=\"Print\" dialect=\"java\" >list.add(\"Executing on exit action2\");</action>\n" +
" </onExit>\n" +
" </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(new ReaderResource(source), ResourceType.DRF);
KnowledgeBase kbase = kbuilder.newKnowledgeBase();
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
TestWorkItemHandler handler = new TestWorkItemHandler();
ksession.getWorkItemManager().registerWorkItemHandler("Human Task", handler);
List<String> list = new ArrayList<String>();
ksession.setGlobal("list", list);
ProcessInstance processInstance =
ksession.startProcess("org.drools.actions");
assertEquals(ProcessInstance.STATE_ACTIVE, processInstance.getState());
WorkItem workItem = handler.getWorkItem();
assertNotNull(workItem);
assertEquals(1, list.size());
ksession.getWorkItemManager().completeWorkItem(workItem.getId(), null);
assertEquals(3, list.size());
assertEquals(ProcessInstance.STATE_COMPLETED, processInstance.getState());
}
public void testActionContextJava() {
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" +
" <imports>\n" +
" <import name=\"org.drools.Message\" />\n" +
" </imports>\n" +
" <globals>\n" +
" <global identifier=\"list\" type=\"java.util.List\" />\n" +
" </globals>\n" +
" <variables>\n" +
" <variable name=\"variable\" >\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" +
" <actionNode id=\"2\" name=\"MyActionNode\" >\n" +
" <action type=\"expression\" dialect=\"java\" >System.out.println(\"Triggered\");\n" +
"String myVariable = (String) kcontext.getVariable(\"variable\");\n" +
"System.out.println(kcontext.getKnowledgeRuntime());\n" +
"list.add(myVariable);\n" +
"String nodeName = kcontext.getNodeInstance().getNodeName();\n" +
"list.add(nodeName);\n" +
"insert( new Message() );\n" +
"</action>\n" +
" </actionNode>\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(new ReaderResource(source), ResourceType.DRF);
KnowledgeBase kbase = kbuilder.newKnowledgeBase();
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
List<String> list = new ArrayList<String>();
ksession.setGlobal("list", list);
ProcessInstance processInstance =
ksession.startProcess("org.drools.actions");
assertEquals(2, list.size());
assertEquals("SomeText", list.get(0));
assertEquals("MyActionNode", list.get(1));
Collection<FactHandle> factHandles = ksession.getFactHandles(new ObjectFilter() {
public boolean accept(Object object) {
return object instanceof Message;
}
});
assertFalse(factHandles.isEmpty());
assertEquals(ProcessInstance.STATE_COMPLETED, processInstance.getState());
}
public void testActionContextMVEL() {
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" +
" <imports>\n" +
" <import name=\"org.drools.Message\" />\n" +
" </imports>\n" +
" <globals>\n" +
" <global identifier=\"list\" type=\"java.util.List\" />\n" +
" </globals>\n" +
" <variables>\n" +
" <variable name=\"variable\" >\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" +
" <actionNode id=\"2\" name=\"MyActionNode\" >\n" +
" <action type=\"expression\" dialect=\"mvel\" >System.out.println(\"Triggered\");\n" +
"System.out.println(kcontext.getKnowledgeRuntime());\n" +
"String myVariable = (String) kcontext.getVariable(\"variable\");\n" +
"list.add(myVariable);\n" +
"String nodeName = kcontext.getNodeInstance().getNodeName();\n" +
"list.add(nodeName);\n" +
"insert( new Message() );\n" +
"</action>\n" +
" </actionNode>\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(new ReaderResource(source), ResourceType.DRF);
KnowledgeBase kbase = kbuilder.newKnowledgeBase();
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
List<String> list = new ArrayList<String>();
ksession.setGlobal("list", list);
ProcessInstance processInstance =
ksession.startProcess("org.drools.actions");
assertEquals(2, list.size());
assertEquals("SomeText", list.get(0));
assertEquals("MyActionNode", list.get(1));
Collection<FactHandle> factHandles = ksession.getFactHandles(new ObjectFilter() {
public boolean accept(Object object) {
return object instanceof Message;
}
});
assertFalse(factHandles.isEmpty());
assertEquals(ProcessInstance.STATE_COMPLETED, processInstance.getState());
}
public void testActionVariableJava() {
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" +
" <imports>\n" +
" <import name=\"org.drools.integrationtests.ProcessActionTest.TestVariable\" />\n" +
" </imports>\n" +
" <globals>\n" +
" <global identifier=\"list\" type=\"java.util.List\" />\n" +
" </globals>\n" +
" <variables>\n" +
" <variable name=\"person\" >\n" +
" <type name=\"org.drools.process.core.datatype.impl.type.ObjectDataType\" className=\"org.drools.integrationtests.ProcessActionTest.TestVariable\" />\n" +
" </variable>\n" +
" </variables>\n" +
" </header>\n" +
"\n" +
" <nodes>\n" +
" <start id=\"1\" name=\"Start\" />\n" +
" <actionNode id=\"2\" name=\"MyActionNode\" >\n" +
" <action type=\"expression\" dialect=\"java\" >System.out.println(\"Triggered\");\n" +
"list.add(person.getName());\n" +
"</action>\n" +
" </actionNode>\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(new ReaderResource(source), ResourceType.DRF);
KnowledgeBase kbase = kbuilder.newKnowledgeBase();
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
List<String> list = new ArrayList<String>();
ksession.setGlobal("list", list);
TestVariable person = new TestVariable("John Doe");
Map<String, Object> params = new HashMap<String, Object>();
params.put("person", person);
ProcessInstance processInstance =
ksession.startProcess("org.drools.actions", params);
assertEquals(1, list.size());
assertEquals("John Doe", list.get(0));
assertEquals(ProcessInstance.STATE_COMPLETED, processInstance.getState());
}
public void testActionVariableMVEL() {
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" +
" <imports>\n" +
" <import name=\"org.drools.integrationtests.ProcessActionTest.TestVariable\" />\n" +
" </imports>\n" +
" <globals>\n" +
" <global identifier=\"list\" type=\"java.util.List\" />\n" +
" </globals>\n" +
" <variables>\n" +
" <variable name=\"person\" >\n" +
" <type name=\"org.drools.process.core.datatype.impl.type.ObjectDataType\" className=\"TestVariable\" />\n" +
" </variable>\n" +
" </variables>\n" +
" </header>\n" +
"\n" +
" <nodes>\n" +
" <start id=\"1\" name=\"Start\" />\n" +
" <actionNode id=\"2\" name=\"MyActionNode\" >\n" +
" <action type=\"expression\" dialect=\"mvel\" >System.out.println(\"Triggered\");\n" +
"list.add(person.name);\n" +
"</action>\n" +
" </actionNode>\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(new ReaderResource(source), ResourceType.DRF);
KnowledgeBase kbase = kbuilder.newKnowledgeBase();
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
List<String> list = new ArrayList<String>();
ksession.setGlobal("list", list);
TestVariable person = new TestVariable("John Doe");
Map<String, Object> params = new HashMap<String, Object>();
params.put("person", person);
ProcessInstance processInstance =
ksession.startProcess("org.drools.actions", params);
assertEquals(1, list.size());
assertEquals("John Doe", list.get(0));
assertEquals(ProcessInstance.STATE_COMPLETED, processInstance.getState());
}
public void testActionNameConflict() {
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.actions1\" 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" +
" <actionNode id=\"2\" name=\"MyActionNode\" >\n" +
" <action type=\"expression\" dialect=\"java\" >list.add(\"Action1\");</action>\n" +
" </actionNode>\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(new ReaderResource(source), ResourceType.DRF);
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.actions2\" 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" +
" <actionNode id=\"2\" name=\"MyActionNode\" >\n" +
" <action type=\"expression\" dialect=\"java\" >list.add(\"Action2\");</action>\n" +
" </actionNode>\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(new ReaderResource(source), ResourceType.DRF);
KnowledgeBase kbase = kbuilder.newKnowledgeBase();
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
List<String> list = new ArrayList<String>();
ksession.setGlobal("list", list);
ProcessInstance processInstance =
ksession.startProcess("org.drools.actions1");
assertEquals(1, list.size());
assertEquals("Action1", list.get(0));
list.clear();
processInstance =
ksession.startProcess("org.drools.actions2");
assertEquals(1, list.size());
assertEquals("Action2", list.get(0));
assertEquals(ProcessInstance.STATE_COMPLETED, processInstance.getState());
}
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 static class TestVariable {
private String name;
public TestVariable(String name) {
this.name = name;
}
public String getName() {
return name;
}
}
}