package org.drools.integrationtests;
import java.io.Reader;
import java.io.StringReader;
import java.util.HashMap;
import java.util.Map;
import junit.framework.TestCase;
import org.drools.RuleBase;
import org.drools.RuleBaseFactory;
import org.drools.WorkingMemory;
import org.drools.compiler.PackageBuilder;
import org.drools.process.instance.ProcessInstance;
import org.drools.rule.Package;
import org.drools.runtime.process.WorkItem;
import org.drools.runtime.process.WorkItemHandler;
import org.drools.runtime.process.WorkItemManager;
public class ProcessHumanTaskTest extends TestCase {
public void testHumanTask() {
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.humantask\" package-name=\"org.drools\" version=\"1\" >\n" +
"\n" +
" <header>\n" +
" </header>\n" +
"\n" +
" <nodes>\n" +
" <start id=\"1\" name=\"Start\" />\n" +
" <humanTask 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" +
" </humanTask>\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>");
builder.addRuleFlow(source);
Package pkg = builder.getPackage();
RuleBase ruleBase = RuleBaseFactory.newRuleBase();
ruleBase.addPackage( pkg );
WorkingMemory workingMemory = ruleBase.newStatefulSession();
TestWorkItemHandler handler = new TestWorkItemHandler();
workingMemory.getWorkItemManager().registerWorkItemHandler("Human Task", handler);
ProcessInstance processInstance = ( ProcessInstance )
workingMemory.startProcess("org.drools.humantask");
assertEquals(ProcessInstance.STATE_ACTIVE, processInstance.getState());
WorkItem workItem = handler.getWorkItem();
assertNotNull(workItem);
workingMemory.getWorkItemManager().completeWorkItem(workItem.getId(), null);
assertEquals(ProcessInstance.STATE_COMPLETED, processInstance.getState());
}
public void testSwimlane() {
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.humantask\" package-name=\"org.drools\" version=\"1\" >\n" +
"\n" +
" <header>\n" +
" <swimlanes>\n" +
" <swimlane name=\"actor1\" />\n" +
" </swimlanes>\n" +
" </header>\n" +
"\n" +
" <nodes>\n" +
" <start id=\"1\" name=\"Start\" />\n" +
" <humanTask id=\"2\" name=\"HumanTask\" swimlane=\"actor1\" >\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" +
" </humanTask>\n" +
" <humanTask id=\"3\" name=\"HumanTask\" swimlane=\"actor1\" >\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=\"TaskName\" >\n" +
" <type name=\"org.drools.process.core.datatype.impl.type.StringDataType\" />\n" +
" <value>Do something else</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" +
" </humanTask>\n" +
" <end id=\"4\" name=\"End\" />\n" +
" </nodes>\n" +
"\n" +
" <connections>\n" +
" <connection from=\"1\" to=\"2\" />\n" +
" <connection from=\"2\" to=\"3\" />\n" +
" <connection from=\"3\" to=\"4\" />\n" +
" </connections>\n" +
"\n" +
"</process>");
builder.addRuleFlow(source);
Package pkg = builder.getPackage();
RuleBase ruleBase = RuleBaseFactory.newRuleBase();
ruleBase.addPackage( pkg );
WorkingMemory workingMemory = ruleBase.newStatefulSession();
TestWorkItemHandler handler = new TestWorkItemHandler();
workingMemory.getWorkItemManager().registerWorkItemHandler("Human Task", handler);
ProcessInstance processInstance = ( ProcessInstance )
workingMemory.startProcess("org.drools.humantask");
assertEquals(ProcessInstance.STATE_ACTIVE, processInstance.getState());
WorkItem workItem = handler.getWorkItem();
assertNotNull(workItem);
assertEquals("Do something", workItem.getParameter("TaskName"));
assertEquals("John Doe", workItem.getParameter("ActorId"));
Map<String, Object> results = new HashMap<String, Object>();
results.put("ActorId", "Jane Doe");
workingMemory.getWorkItemManager().completeWorkItem(workItem.getId(), results);
workItem = handler.getWorkItem();
assertNotNull(workItem);
assertEquals("Do something else", workItem.getParameter("TaskName"));
assertEquals("Jane Doe", workItem.getParameter("ActorId"));
workingMemory.getWorkItemManager().completeWorkItem(workItem.getId(), null);
assertEquals(ProcessInstance.STATE_COMPLETED, processInstance.getState());
}
public void testHumanTaskCancel() {
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.humantask\" package-name=\"org.drools\" version=\"1\" >\n" +
"\n" +
" <header>\n" +
" </header>\n" +
"\n" +
" <nodes>\n" +
" <start id=\"1\" name=\"Start\" />\n" +
" <humanTask 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" +
" </humanTask>\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>");
builder.addRuleFlow(source);
Package pkg = builder.getPackage();
RuleBase ruleBase = RuleBaseFactory.newRuleBase();
ruleBase.addPackage( pkg );
WorkingMemory workingMemory = ruleBase.newStatefulSession();
TestWorkItemHandler handler = new TestWorkItemHandler();
workingMemory.getWorkItemManager().registerWorkItemHandler("Human Task", handler);
ProcessInstance processInstance = ( ProcessInstance )
workingMemory.startProcess("org.drools.humantask");
assertEquals(ProcessInstance.STATE_ACTIVE, processInstance.getState());
WorkItem workItem = handler.getWorkItem();
assertNotNull(workItem);
processInstance.setState(ProcessInstance.STATE_ABORTED);
assertTrue(handler.isAborted());
}
public void testHumanTaskCancel2() {
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.humantask\" package-name=\"org.drools\" version=\"1\" >\n" +
"\n" +
" <header>\n" +
" </header>\n" +
"\n" +
" <nodes>\n" +
" <start id=\"1\" name=\"Start\" />\n" +
" <humanTask 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" +
" <onExit>\n" +
" <action type=\"expression\" name=\"Cancel\" dialect=\"java\" >((org.drools.workflow.instance.NodeInstance) kcontext.getNodeInstance()).cancel();</action>\n" +
" </onExit>\n" +
" </humanTask>\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>");
builder.addRuleFlow(source);
Package pkg = builder.getPackage();
RuleBase ruleBase = RuleBaseFactory.newRuleBase();
ruleBase.addPackage( pkg );
WorkingMemory workingMemory = ruleBase.newStatefulSession();
TestWorkItemHandler handler = new TestWorkItemHandler();
workingMemory.getWorkItemManager().registerWorkItemHandler("Human Task", handler);
ProcessInstance processInstance = ( ProcessInstance )
workingMemory.startProcess("org.drools.humantask");
assertEquals(ProcessInstance.STATE_ACTIVE, processInstance.getState());
WorkItem workItem = handler.getWorkItem();
assertNotNull(workItem);
workingMemory.getWorkItemManager().completeWorkItem(workItem.getId(), null);
assertFalse(handler.isAborted());
}
private static class TestWorkItemHandler implements WorkItemHandler {
private WorkItem workItem;
private boolean aborted = false;
public void executeWorkItem(WorkItem workItem, WorkItemManager manager) {
this.workItem = workItem;
}
public void abortWorkItem(WorkItem workItem, WorkItemManager manager) {
aborted = true;
}
public WorkItem getWorkItem() {
return workItem;
}
public boolean isAborted() {
return aborted;
}
}
}