/*
* Copyright 2015 Red Hat, Inc. and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jbpm.integrationtests;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import java.io.Reader;
import java.io.StringReader;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import org.jbpm.integrationtests.handler.TestWorkItemHandler;
import org.jbpm.integrationtests.test.Person;
import org.jbpm.test.util.AbstractBaseTest;
import org.junit.Test;
import org.kie.api.io.ResourceType;
import org.kie.api.runtime.process.ProcessInstance;
import org.kie.api.runtime.process.WorkItem;
import org.kie.api.runtime.process.WorkItemHandler;
import org.kie.api.runtime.process.WorkItemManager;
import org.kie.api.runtime.process.WorkflowProcessInstance;
import org.kie.internal.KnowledgeBase;
import org.kie.internal.KnowledgeBaseFactory;
import org.kie.internal.builder.KnowledgeBuilder;
import org.kie.internal.builder.KnowledgeBuilderFactory;
import org.kie.internal.definition.KnowledgePackage;
import org.kie.internal.io.ResourceFactory;
import org.kie.internal.runtime.StatefulKnowledgeSession;
public class ProcessWorkItemTest extends AbstractBaseTest {
@Test
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.integrationtests.test.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"));
}
@Test
public void testWorkItemImmediateCompletion() {
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.integrationtests.test.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 );
Collection<KnowledgePackage> kpkgs = kbuilder.getKnowledgePackages();
KnowledgeBase kbase = KnowledgeBaseFactory.newKnowledgeBase();
kbase.addKnowledgePackages( kpkgs );
StatefulKnowledgeSession ksession = kbase.newStatefulKnowledgeSession();
ImmediateTestWorkItemHandler handler = new ImmediateTestWorkItemHandler();
ksession.getWorkItemManager().registerWorkItemHandler("Human Task", handler);
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_COMPLETED, processInstance.getState());
}
private static class ImmediateTestWorkItemHandler implements WorkItemHandler {
public void executeWorkItem(WorkItem workItem, WorkItemManager manager) {
manager.completeWorkItem(workItem.getId(), null);
}
public void abortWorkItem(WorkItem workItem, WorkItemManager manager) {
}
}
}