Java tutorial
/** * Copyright 2007-2010 ? * All rights reserved. * * This library is free software; you can redistribute it and/or modify it under the * terms of the GNU Lesser General Public License v3 as published by the Free Software * Foundation. * * This program 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 General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License along * with this library; if not, see http://www.gnu.org/licenses/lgpl.html. * */ package org.fireflow.pdl.fpdl20.test.service.callback; import java.net.URL; import java.util.List; import javax.xml.namespace.QName; import javax.xml.transform.Source; import javax.xml.transform.Transformer; import javax.xml.transform.TransformerConfigurationException; import javax.xml.transform.TransformerException; import javax.xml.transform.TransformerFactory; import javax.xml.transform.dom.DOMResult; import javax.xml.transform.stream.StreamSource; import javax.xml.ws.Dispatch; import org.apache.commons.jxpath.JXPathContext; import org.fireflow.FireWorkflowJunitEnviroment; import org.fireflow.client.WorkflowQuery; import org.fireflow.client.WorkflowSession; import org.fireflow.client.WorkflowSessionFactory; import org.fireflow.client.WorkflowStatement; import org.fireflow.client.query.Order; import org.fireflow.client.query.Restrictions; import org.fireflow.engine.entity.runtime.ActivityInstance; import org.fireflow.engine.entity.runtime.ActivityInstanceProperty; import org.fireflow.engine.entity.runtime.ActivityInstanceState; import org.fireflow.engine.entity.runtime.ProcessInstance; import org.fireflow.engine.entity.runtime.ProcessInstanceState; import org.fireflow.engine.entity.runtime.Variable; import org.fireflow.engine.entity.runtime.VariableProperty; import org.fireflow.engine.exception.InvalidOperationException; import org.fireflow.engine.exception.WebservicePublishException; import org.fireflow.engine.exception.WorkflowProcessNotFoundException; import org.fireflow.engine.modules.env.Environment; import org.fireflow.engine.modules.ousystem.impl.FireWorkflowSystem; import org.fireflow.engine.modules.script.ScriptContextVariableNames; import org.fireflow.engine.modules.webservice.WebServiceManager; import org.fireflow.model.InvalidModelException; import org.fireflow.model.binding.impl.AssignmentImpl; import org.fireflow.model.binding.impl.ServiceBindingImpl; import org.fireflow.model.data.impl.ExpressionImpl; import org.fireflow.model.data.impl.InputImpl; import org.fireflow.model.data.impl.OutputImpl; import org.fireflow.model.data.impl.PropertyImpl; import org.fireflow.model.misc.Duration; import org.fireflow.model.process.WorkflowElement; import org.fireflow.model.servicedef.impl.CommonInterfaceDef; import org.fireflow.model.servicedef.impl.OperationDefImpl; import org.fireflow.pdl.fpdl20.misc.FpdlConstants; import org.fireflow.pdl.fpdl20.process.SubProcess; import org.fireflow.pdl.fpdl20.process.WorkflowProcess; import org.fireflow.pdl.fpdl20.process.impl.ActivityImpl; import org.fireflow.pdl.fpdl20.process.impl.EndNodeImpl; import org.fireflow.pdl.fpdl20.process.impl.StartNodeImpl; import org.fireflow.pdl.fpdl20.process.impl.TransitionImpl; import org.fireflow.pdl.fpdl20.process.impl.WorkflowProcessImpl; import org.fireflow.pvm.kernel.Token; import org.fireflow.pvm.kernel.TokenProperty; import org.fireflow.pvm.kernel.TokenState; import org.fireflow.service.callback.CallbackService; import org.firesoa.common.schema.NameSpaces; import org.junit.Assert; import org.junit.Test; import org.springframework.transaction.TransactionStatus; import org.springframework.transaction.support.TransactionCallback; import org.w3c.dom.Document; /** * * @author ? nychen2000@163.com * Fire Workflow www.firesoa.com www.fireflow.org * */ public class TheCallbackServiceProcessTest1 extends FireWorkflowJunitEnviroment { protected static final String processName = "TheSimplestSquenceProcess"; protected static final String processDisplayName = "??Webservice"; protected static final String description = "?ActivityCallback service"; protected static final String bizId = "biz_123"; protected static final String approveResult = "Very good!"; protected static final String responseResult = "OK"; protected static String targetNsUri = "http://www.fireflow.org/junit/callbackservice"; protected static String serviceName = "AcceptApproveResult"; protected static String serviceVersion = "1"; protected static String interfaceName = "AcceptResult"; protected static QName serviceQName = new QName(targetNsUri, serviceName + "_" + serviceVersion); protected static QName portQName = new QName(targetNsUri, interfaceName + "_Port"); @Test public void testCallbackService() { final WorkflowSession session = WorkflowSessionFactory.createWorkflowSession(runtimeContext, FireWorkflowSystem.getInstance()); final WorkflowStatement stmt = session.createWorkflowStatement(FpdlConstants.PROCESS_TYPE_FPDL20); //0?? final WorkflowProcess process = getWorkflowProcess(); //1??? transactionTemplate.execute(new TransactionCallback() { public Object doInTransaction(TransactionStatus arg0) { //? try { stmt.uploadProcessObject(process, true, null, null); } catch (InvalidModelException e) { // TODO Auto-generated catch block e.printStackTrace(); } return null; } }); //2?CallbackManagerinit?Webservice WebServiceManager callbackManager = this.runtimeContext.getEngineModule(WebServiceManager.class, FpdlConstants.PROCESS_TYPE_FPDL20); try { callbackManager.publishAllCallbackServices(); } catch (WebservicePublishException e1) { // TODO Auto-generated catch block e1.printStackTrace(); } //3??? transactionTemplate.execute(new TransactionCallback() { public Object doInTransaction(TransactionStatus arg0) { //?? try { ProcessInstance processInstance = stmt.startProcess(process.getId(), bizId, null); if (processInstance != null) { processInstanceId = processInstance.getId(); } } catch (InvalidModelException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (WorkflowProcessNotFoundException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (InvalidOperationException e) { // TODO Auto-generated catch block e.printStackTrace(); } return null; } }); //JaxwsWebservice Environment env = runtimeContext.getEngineModule(Environment.class, FpdlConstants.PROCESS_TYPE_FPDL20); URL url = null; try { String contextPath = env.getWebserviceContextPath(); if (!contextPath.startsWith("/")) { contextPath = "/" + contextPath; } if (!contextPath.endsWith("/")) { contextPath = contextPath + "/"; } String address = "http://" + env.getWebserviceIP() + ":" + Integer.toString(env.getWebservicePort()) + contextPath; url = new URL(address + serviceQName.getLocalPart() + "?wsdl"); } catch (Exception e) { e.printStackTrace(); } javax.xml.ws.Service jawsService = javax.xml.ws.Service.create(url, serviceQName); Dispatch<Source> dispatch = jawsService.createDispatch(portQName, Source.class, javax.xml.ws.Service.Mode.PAYLOAD); String messageStr = "<cal:acceptRequest xmlns:cal=\"http://www.fireflow.org/junit/callbackservice\">" + "<cal:id>" + bizId + "</cal:id>" + "<cal:approveResult>" + approveResult + "</cal:approveResult>" + "</cal:acceptRequest>"; java.io.ByteArrayInputStream byteInStream = new java.io.ByteArrayInputStream(messageStr.getBytes()); StreamSource source = new StreamSource(byteInStream); Source response = dispatch.invoke(source); DOMResult result = new DOMResult(); // StreamResult result = new StreamResult(System.out); Transformer transformer = null; try { TransformerFactory transformerFactory = TransformerFactory.newInstance(); transformer = transformerFactory.newTransformer(); transformer.transform(response, result); } catch (TransformerConfigurationException e) { throw new RuntimeException("Couldn't parse response stream.", e); } catch (TransformerException e) { throw new RuntimeException("Couldn't parse response stream.", e); } Document theResponsePayload = (Document) result.getNode(); Assert.assertNotNull(theResponsePayload); JXPathContext jxpathContext = JXPathContext.newContext(theResponsePayload); jxpathContext.registerNamespace("ns0", targetNsUri); String response2 = (String) jxpathContext.getValue("ns0:acceptResponse/ns0:response2"); Assert.assertEquals(responseResult, response2); this.assertResult(session); } @Override public void assertResult(WorkflowSession session) { // TODO Auto-generated method stub super.assertResult(session); // ?ProcessInstance? WorkflowQuery<ProcessInstance> q4ProcInst = session.createWorkflowQuery(ProcessInstance.class); ProcessInstance procInst = q4ProcInst.get(processInstanceId); Assert.assertNotNull(procInst); Assert.assertEquals(bizId, procInst.getBizId()); Assert.assertEquals(processName, procInst.getProcessId()); Assert.assertEquals(FpdlConstants.PROCESS_TYPE_FPDL20, procInst.getProcessType()); Assert.assertEquals(new Integer(1), procInst.getVersion()); Assert.assertEquals(processName, procInst.getProcessName());// name // processId, Assert.assertEquals(processDisplayName, procInst.getProcessDisplayName());// displayNamename Assert.assertEquals(ProcessInstanceState.COMPLETED, procInst.getState()); Assert.assertEquals(Boolean.FALSE, procInst.isSuspended()); Assert.assertEquals(FireWorkflowSystem.getInstance().getId(), procInst.getCreatorId()); Assert.assertEquals(FireWorkflowSystem.getInstance().getName(), procInst.getCreatorName()); Assert.assertEquals(FireWorkflowSystem.getInstance().getDeptId(), procInst.getCreatorDeptId()); Assert.assertEquals(FireWorkflowSystem.getInstance().getDeptName(), procInst.getCreatorDeptName()); Assert.assertNotNull(procInst.getCreatedTime()); Assert.assertNotNull(procInst.getEndTime()); Assert.assertNull(procInst.getParentActivityInstanceId()); Assert.assertNull(procInst.getParentProcessInstanceId()); Assert.assertNull(procInst.getParentScopeId()); Assert.assertNull(procInst.getNote()); // ?Token? WorkflowQuery<Token> q4Token = session.createWorkflowQuery(Token.class); q4Token.add(Restrictions.eq(TokenProperty.PROCESS_INSTANCE_ID, processInstanceId)) .addOrder(Order.asc(TokenProperty.STEP_NUMBER)); List<Token> tokenList = q4Token.list(); Assert.assertNotNull(tokenList); Assert.assertEquals(6, tokenList.size()); Token procInstToken = tokenList.get(0); Assert.assertEquals(processName + WorkflowElement.ID_SEPARATOR + WorkflowProcess.MAIN_PROCESS_NAME, procInstToken.getElementId()); Assert.assertEquals(processInstanceId, procInstToken.getElementInstanceId()); Assert.assertEquals(processName, procInstToken.getProcessId()); Assert.assertEquals(FpdlConstants.PROCESS_TYPE_FPDL20, procInstToken.getProcessType()); Assert.assertEquals(new Integer(1), procInstToken.getVersion()); Assert.assertEquals(TokenState.COMPLETED, procInstToken.getState()); Assert.assertNull(procInstToken.getParentTokenId()); Assert.assertTrue(procInstToken.isBusinessPermitted()); Assert.assertEquals(procInst.getTokenId(), procInstToken.getId()); Token startNodeToken = tokenList.get(1); Assert.assertEquals(processName, startNodeToken.getProcessId()); Assert.assertEquals(new Integer(1), startNodeToken.getVersion()); Assert.assertEquals(FpdlConstants.PROCESS_TYPE_FPDL20, startNodeToken.getProcessType()); Assert.assertEquals(procInstToken.getId(), startNodeToken.getParentTokenId()); Assert.assertTrue(startNodeToken.isBusinessPermitted()); Token activity1Token = tokenList.get(3); // ?ActivityInstance? WorkflowQuery<ActivityInstance> q4ActInst = session.createWorkflowQuery(ActivityInstance.class); q4ActInst.add(Restrictions.eq(ActivityInstanceProperty.PROCESS_INSTANCE_ID, processInstanceId)) .add(Restrictions.eq(ActivityInstanceProperty.NODE_ID, processName + WorkflowElement.ID_SEPARATOR + WorkflowProcess.MAIN_PROCESS_NAME + ".Activity1")); List<ActivityInstance> actInstList = q4ActInst.list(); Assert.assertNotNull(actInstList); Assert.assertEquals(1, actInstList.size()); ActivityInstance activityInstance = actInstList.get(0); Assert.assertEquals(bizId, activityInstance.getBizId()); Assert.assertEquals("Activity1", activityInstance.getName()); Assert.assertEquals("Activity1", activityInstance.getDisplayName()); Assert.assertEquals(processInstanceId, activityInstance.getParentScopeId()); Assert.assertNotNull(activityInstance.getCreatedTime()); Assert.assertNotNull(activityInstance.getStartedTime()); Assert.assertNotNull(activityInstance.getEndTime()); Assert.assertNotNull(activityInstance.getExpiredTime()); Assert.assertNotNull(activityInstance.getTokenId()); Assert.assertEquals(activity1Token.getId(), activityInstance.getTokenId()); Assert.assertEquals(activity1Token.getElementId(), activityInstance.getNodeId()); Assert.assertEquals(activity1Token.getElementInstanceId(), activityInstance.getId()); Assert.assertNotNull(activityInstance.getScopeId()); Assert.assertEquals(new Integer(1), activityInstance.getVersion()); Assert.assertEquals(FpdlConstants.PROCESS_TYPE_FPDL20, activityInstance.getProcessType()); Assert.assertEquals(procInst.getProcessName(), activityInstance.getProcessName()); Assert.assertEquals(procInst.getProcessDisplayName(), activityInstance.getProcessDisplayName()); Assert.assertEquals(ActivityInstanceState.COMPLETED, activityInstance.getState()); //?activity1???? WorkflowQuery<Variable> q4Var = session.createWorkflowQuery(Variable.class); q4Var.add(Restrictions.eq(VariableProperty.PROCESS_ID, processName)) .add(Restrictions.eq(VariableProperty.SCOPE_ID, activityInstance.getId())); Variable var = q4Var.unique(); Assert.assertEquals("approveResult", var.getName()); Assert.assertEquals(approveResult, var.getPayload()); } /* * Start-->CallbackService-->End * * @see org.fireflow.FireWorkflowJunitEnviroment#createWorkflowProcess() */ @Override public WorkflowProcess createWorkflowProcess() { WorkflowProcessImpl process = new WorkflowProcessImpl(processName, processDisplayName); process.setDescription(description); SubProcess mainflow = process.getMainSubProcess(); PropertyImpl property = new PropertyImpl(mainflow, "id");//???x property.setDataType(new QName(NameSpaces.JAVA.getUri(), "java.lang.String")); property.setInitialValueAsString(""); mainflow.getProperties().add(property); property = new PropertyImpl(mainflow, "response");//???x property.setDataType(new QName(NameSpaces.JAVA.getUri(), "java.lang.String")); property.setInitialValueAsString("OK"); mainflow.getProperties().add(property); mainflow.setDuration(new Duration(5, Duration.MINUTE)); StartNodeImpl startNode = new StartNodeImpl(process.getMainSubProcess(), "Start"); ActivityImpl activity = new ActivityImpl(process.getMainSubProcess(), "Activity1"); activity.setDuration(new Duration(6, Duration.DAY)); property = new PropertyImpl(activity, "approveResult");//???x property.setDataType(new QName(NameSpaces.JAVA.getUri(), "java.lang.String")); property.setInitialValueAsString(""); activity.getProperties().add(property); EndNodeImpl endNode = new EndNodeImpl(process.getMainSubProcess(), "End"); mainflow.setEntry(startNode); mainflow.getStartNodes().add(startNode); mainflow.getActivities().add(activity); mainflow.getEndNodes().add(endNode); TransitionImpl transition1 = new TransitionImpl(process.getMainSubProcess(), "start2activity"); transition1.setFromNode(startNode); transition1.setToNode(activity); startNode.getLeavingTransitions().add(transition1); activity.getEnteringTransitions().add(transition1); TransitionImpl transition2 = new TransitionImpl(process.getMainSubProcess(), "activity2end"); transition2.setFromNode(activity); transition2.setToNode(endNode); activity.getLeavingTransitions().add(transition2); endNode.getEnteringTransitions().add(transition2); mainflow.getTransitions().add(transition1); mainflow.getTransitions().add(transition2); //CallbackService activity1 CallbackService callbackService = new CallbackService(); callbackService.setName(serviceName); callbackService.setTargetNamespaceUri(this.targetNsUri); CommonInterfaceDef commonInterface = new CommonInterfaceDef(); commonInterface.setName(interfaceName); callbackService.setInterface(commonInterface); OperationDefImpl op = new OperationDefImpl(); op.setOperationName("accept"); commonInterface.getOperations().add(op); InputImpl input = new InputImpl(); input.setName("id"); input.setDataType(new QName(NameSpaces.XSD.getUri(), "string")); op.getInputs().add(input); input = new InputImpl(); input.setName("approveResult"); input.setDataType(new QName(NameSpaces.XSD.getUri(), "string")); op.getInputs().add(input); OutputImpl output = new OutputImpl(); output.setName("response1"); output.setDataType(new QName(NameSpaces.XSD.getUri(), "string")); op.getOutputs().add(output); output = new OutputImpl(); output.setName("response2"); output.setDataType(new QName(NameSpaces.XSD.getUri(), "string")); op.getOutputs().add(output); ExpressionImpl correlation = new ExpressionImpl(); correlation.setLanguage("JEXL"); correlation.setBody(ScriptContextVariableNames.CURRENT_PROCESS_INSTANCE + ".bizId==Xpath:getValue('" + ScriptContextVariableNames.INPUTS + "/ns0:" + op.getOperationName() + "Request/ns0:id')"); correlation.getNamespaceMap().put("ns0", callbackService.getTargetNamespaceUri()); callbackService.setCorrelation(correlation); // ServiceBindingImpl svcBinding = new ServiceBindingImpl(); // svcBinding.setService(callbackService); svcBinding.setServiceId(callbackService.getId()); // svcBinding.setOperation(op); svcBinding.setOperationName(op.getOperationName()); //io // id-->processVars.id AssignmentImpl assignment = new AssignmentImpl(); ExpressionImpl from = new ExpressionImpl(); from.setBody(ScriptContextVariableNames.INPUTS + "/ns0:" + op.getOperationName() + "Request/ns0:id"); from.setLanguage("XPATH"); from.getNamespaceMap().put("ns0", callbackService.getTargetNamespaceUri()); assignment.setFrom(from); ExpressionImpl to = new ExpressionImpl(); to.setBody(ScriptContextVariableNames.PROCESS_VARIABLES + "/" + "id"); to.setLanguage("XPATH"); assignment.setTo(to); svcBinding.getInputAssignments().add(assignment); // approveResult-->activityVars.approveResult assignment = new AssignmentImpl(); from = new ExpressionImpl(); from.setBody( ScriptContextVariableNames.INPUTS + "/ns0:" + op.getOperationName() + "Request/ns0:approveResult"); from.setLanguage("XPATH"); from.getNamespaceMap().put("ns0", callbackService.getTargetNamespaceUri()); assignment.setFrom(from); to = new ExpressionImpl(); to.setBody(ScriptContextVariableNames.ACTIVITY_VARIABLES + "/" + "approveResult"); to.setLanguage("XPATH"); assignment.setTo(to); svcBinding.getInputAssignments().add(assignment); //io // processVars.id-->response1 assignment = new AssignmentImpl(); from = new ExpressionImpl(); from.setBody(ScriptContextVariableNames.PROCESS_VARIABLES + "/id"); from.setLanguage("XPATH"); assignment.setFrom(from); to = new ExpressionImpl(); to.setBody(ScriptContextVariableNames.OUTPUTS + "/ns0:" + op.getOperationName() + "Response/ns0:response1"); to.setLanguage("XPATH"); to.getNamespaceMap().put("ns0", callbackService.getTargetNamespaceUri()); assignment.setTo(to); svcBinding.getOutputAssignments().add(assignment); // processVars.response-->response2 assignment = new AssignmentImpl(); from = new ExpressionImpl(); from.setBody(ScriptContextVariableNames.PROCESS_VARIABLES + "/response"); from.setLanguage("XPATH"); assignment.setFrom(from); to = new ExpressionImpl(); to.setBody(ScriptContextVariableNames.OUTPUTS + "/ns0:" + op.getOperationName() + "Response/ns0:response2"); to.setLanguage("XPATH"); to.getNamespaceMap().put("ns0", callbackService.getTargetNamespaceUri()); assignment.setTo(to); svcBinding.getOutputAssignments().add(assignment); //activityworkflowprocess process.addService(callbackService); activity.setServiceBinding(svcBinding); return process; } }