jbpm工作流详解

/* * JBoss, Home of Professional Open Source * Copyright 2005, JBoss Inc., and individual contributors as indicated * by the @authors tag. See the copyright.txt in the distribution for a * full listing of individual contributors. * * This is free software; you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as * published by the Free Software Foundation; either version 2.1 of * the License, or (at your option) any later version. * * This software is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this software; if not, write to the Free * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA * 02110-1301 USA, or see the FSF site: http://www.fsf.org. */ package org.jbpm.websale; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.InputStream; import java.util.HashMap; import java.util.List; import java.util.Map; import org.jbpm.JbpmConfiguration; import org.jbpm.context.exe.ContextInstance; import org.jbpm.db.AbstractDbTestCase; import org.jbpm.graph.def.ProcessDefinition; import org.jbpm.graph.exe.ProcessInstance; import org.jbpm.identity.Entity; import org.jbpm.identity.hibernate.IdentitySession; import org.jbpm.identity.xml.IdentityXmlParser; import org.jbpm.taskmgmt.exe.TaskInstance; import org.jbpm.taskmgmt.exe.TaskMgmtInstance; public class WebsaleTest extends AbstractDbTestCase { JbpmConfiguration jbpmConfiguration = JbpmConfiguration.getInstance(); ProcessDefinition processDefinition = null; ProcessInstance processInstance = null; ContextInstance contextInstance = null; TaskMgmtInstance taskMgmtInstance = null; long processInstanceId = -1; public void setUp() throws Exception { super.setUp(); deployProcess(); loadIdentities(); newTransaction(); createNewProcessInstance(); } private void deployProcess() { // 后来改的 by 陈刚 try { InputStream is = new FileInputStream("processes/websale.par/processdefinition.xml"); processDefinition = ProcessDefinition.parseXmlInputStream(is); } catch (FileNotFoundException e) { e.printStackTrace(); } // jBPM的原语句 // ProcessDefinition processDefinition = // ProcessDefinition.parseXmlResource("websale.par/processdefinition.xml"); jbpmContext.deployProcessDefinition(processDefinition); } private void loadIdentities() { // load the identities Entity[] entities = IdentityXmlParser.parseEntitiesResource("hsqldb/identity.db.xml"); IdentitySession identitySession = new IdentitySession(session); for (int i=0; i<entities.length; i++) { identitySession.saveEntity(entities[i]); } newTransaction(); } private void createNewProcessInstance() { processDefinition = graphSession.findLatestProcessDefinition("websale"); processInstance = new ProcessInstance(processDefinition); contextInstance = processInstance.getContextInstance(); taskMgmtInstance = processInstance.getTaskMgmtInstance(); } public void testWebSaleOrderTaskParameters() { TaskInstance taskInstance = processInstance.getTaskMgmtInstance().createStartTaskInstance(); assertEquals("create new web sale order", taskInstance.getName()); assertEquals(3, taskInstance.getVariables().size()); } public void testPerformWebSaleOrderTask() { TaskInstance taskInstance = null; jbpmContext.setActorId("cookie monster"); // create a task to start the websale process taskInstance = processInstance.getTaskMgmtInstance().createStartTaskInstance(); Map taskVariables = new HashMap(); taskVariables.put("item", "cookies"); taskVariables.put("quantity", "lots of them"); taskVariables.put("address", "sesamestreet 46"); taskInstance.addVariables(taskVariables); taskInstance.end(); assertEquals("cookies", contextInstance.getVariable("item")); assertEquals("lots of them", contextInstance.getVariable("quantity")); assertEquals("sesamestreet 46", contextInstance.getVariable("address")); assertEquals("cookie monster", taskMgmtInstance.getSwimlaneInstance("buyer").getActorId()); } public void testEvaluateAssignment() { TaskInstance taskInstance = null; jbpmContext.setActorId("cookie monster"); // create a task to start the websale process taskInstance = processInstance.getTaskMgmtInstance().createStartTaskInstance(); taskInstance.setVariable("item", "cookies"); taskInstance.end(); jbpmContext.save(processInstance); processInstanceId = processInstance.getId(); newTransaction(); List erniesTasks = taskMgmtSession.findTaskInstances("ernie"); assertEquals(1, erniesTasks.size()); TaskInstance evaluateTaskInstance = (TaskInstance) erniesTasks.get(0); assertEquals("ernie", evaluateTaskInstance.getActorId()); assertEquals("evaluate web order", evaluateTaskInstance.getName()); assertNotNull(evaluateTaskInstance.getToken()); assertNotNull(evaluateTaskInstance.getCreate()); assertNull(evaluateTaskInstance.getStart()); assertNull(evaluateTaskInstance.getEnd()); } public void testEvaluateOk() { TaskInstance taskInstance = processInstance.getTaskMgmtInstance().createStartTaskInstance(); taskInstance.end(); jbpmContext.save(processInstance); newTransaction(); TaskInstance evaluateTaskInstance = (TaskInstance) taskMgmtSession.findTaskInstances("ernie").get(0); evaluateTaskInstance.end("ok"); jbpmContext.save(evaluateTaskInstance); newTransaction(); List erniesTasks = taskMgmtSession.findTaskInstances("bert"); assertEquals(1, erniesTasks.size()); TaskInstance waitForMoneyTaskInstance = (TaskInstance) erniesTasks.get(0); assertEquals("bert", waitForMoneyTaskInstance.getActorId()); assertEquals("wait for money", waitForMoneyTaskInstance.getName()); assertNotNull(waitForMoneyTaskInstance.getToken()); assertNotNull(waitForMoneyTaskInstance.getCreate()); assertNull(waitForMoneyTaskInstance.getStart()); assertNull(waitForMoneyTaskInstance.getEnd()); } public void testUnwritableVariableException() { testEvaluateAssignment(); newTransaction(); List erniesTasks = taskMgmtSession.findTaskInstances("ernie"); TaskInstance evaluateTaskInstance = (TaskInstance) erniesTasks.get(0); // this variable is set in the task instance variables, but // should not be submitted to the process context variables. evaluateTaskInstance.setVariable("item", "this is not allowed"); evaluateTaskInstance.end(); newTransaction(); processInstance = graphSession.loadProcessInstance(processInstanceId); contextInstance = processInstance.getContextInstance(); // so the cookies should still be in the item process variable. assertEquals("cookies", contextInstance.getVariable("item")); } public void testEvaluateNok() { testEvaluateAssignment(); newTransaction(); List erniesTasks = taskMgmtSession.findTaskInstances("ernie"); TaskInstance evaluateTaskInstance = (TaskInstance) erniesTasks.get(0); evaluateTaskInstance.setVariable("comment", "wtf"); evaluateTaskInstance.end("more info needed"); jbpmContext.save(evaluateTaskInstance); newTransaction(); List cookieMonsterTasks = taskMgmtSession.findTaskInstances("cookie monster"); assertEquals(1, cookieMonsterTasks.size()); TaskInstance fixWebOrderDataTaskInstance = (TaskInstance) cookieMonsterTasks.get(0); assertEqual