spring activiti整合记录

<?xml version="1.0" encoding="UTF-8"?><beans xmlns="http://www.springframework.org/schema/beans"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"xmlns:tx="http://www.springframework.org/schema/tx" xmlns:jee="http://www.springframework.org/schema/jee"xmlns:aop="http://www.springframework.org/schema/aop"xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd       http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd       http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd       http://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee-3.0.xsd       http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd"><bean id="processEngineConfiguration" class="org.activiti.spring.SpringProcessEngineConfiguration"><property name="dataSource" ref="dataSource" /><property name="transactionManager" ref="activitiTransactionManager" /><!-- 设置数据库schema的更新方式 --><property name="databaseSchemaUpdate" value="false" /><!-- 是否启动jobExecutor --><property name="jobExecutorActivate" value="true" /><property name="activityFontName" value="宋体"/><property name="labelFontName" value="宋体"/><property name="annotationFontName" value="宋体"/><!-- 解析xml流程文件所使用的字符集，默认为utf8，依据数据库来 <property name="xmlEncoding" value="utf8"/>--></bean><bean id="processEngine" class="org.activiti.spring.ProcessEngineFactoryBean"><property name="processEngineConfiguration" ref="processEngineConfiguration" /></bean> <!-- 工作流仓储服务 --><bean id="repositoryService" factory-bean="processEngine"factory-method="getRepositoryService" /> <!-- 工作流运行服务 --><bean id="runtimeService" factory-bean="processEngine"factory-method="getRuntimeService" /> <!--  工作流任务服务--><bean id="taskService" factory-bean="processEngine"factory-method="getTaskService" /><!--  工作流历史数据服务--><bean id="historyService" factory-bean="processEngine"factory-method="getHistoryService" /><!-- 工作流管理服务 --><bean id="managementService" factory-bean="processEngine"factory-method="getManagementService" /><!-- 工作流唯一服务 --><bean id="identityService" factory-bean="processEngine"factory-method="getIdentityService" /><bean id="formService" factory-bean="processEngine"factory-method="getFormService" /></beans>

    <dependency>        <groupId>org.activiti</groupId>        <artifactId>activiti-engine</artifactId>        <version>5.22.0</version>      </dependency>      <dependency>        <groupId>org.activiti</groupId>        <artifactId>activiti-spring</artifactId>        <version>5.22.0</version>      </dependency>

@Servicepublic class Process  {@AutowiredProcessEngine processEngine;@AutowiredProcessEngineConfiguration processEngineConfiguration;@AutowiredRepositoryService repositoryService;@AutowiredManagementService managementService;@AutowiredRuntimeService runtimeService;@AutowiredHistoryService historyService;@AutowiredTaskService taskService;@Value("${activiti.save.path}")private String activitiPath;/** * 发布流程 *  * @param bpmnPath *            流程路径 非空 * @param name *            流程图名称 * @version 0.1.0 2016/12/04 *  */public Deployment deployClasspathResource(String bpmnPath, String name) {/** 1:创建一个部署对象;2:添加部署的名称;3:从classpath的资源中加载，一次只能加载一个文件;4:完成部署 */Deployment deployment = repositoryService.createDeployment().name(name).addClasspathResource(bpmnPath).deploy();return deployment;}public Deployment deployInputStream(InputStream bpmnPath, InputStream pngPath, String name) {Deployment deployment = repositoryService.createDeployment().name(name).addInputStream(name + ".bpmn", bpmnPath).addInputStream(name + ".png", pngPath).deploy();return deployment;}public Deployment deployString(String bpmnXml, String name) {Deployment deployment = repositoryService.createDeployment().name(name).addString(name + ".bpmn", bpmnXml).deploy();return deployment;}/** * 删除流程定义 *  * @param id *            流程id * @param flag *            ture删除启动的流程定义；false未启动的流程定义 默认false * @version 0.1.0 2016/12/04 *  */public void deleteProcessDefinition(String id, boolean flag) {if (flag) {// 删除流程定义 包括启动过的流程repositoryService.deleteDeployment(id, flag);} else {// 只能删除没有启动的流程定义，如果流程启动则抛出异常repositoryService.deleteDeployment(id);// 删除流程定义 id为流程id}}/** * 启动流程实例 *  * @param processDefinitionKey *            流程key * @version 0.1.0 2016/12/04 *  */public ProcessInstance startProessInstance(String processDefinitionKey, String businessKey, Map<String, Object> jsnVariables) throws Exception {ProcessInstance processInstance = null;if (StringUtils.isNotBlank(businessKey)) {if (jsnVariables != null & !jsnVariables.isEmpty()) {processInstance = runtimeService.startProcessInstanceByKey(processDefinitionKey, businessKey, jsnVariables);} else {processInstance = runtimeService.startProcessInstanceByKey(processDefinitionKey, businessKey);}} else {if (jsnVariables != null & !jsnVariables.isEmpty()) {processInstance = runtimeService.startProcessInstanceByKey(processDefinitionKey, jsnVariables);} else {processInstance = runtimeService.startProcessInstanceByKey(processDefinitionKey);}}return processInstance;}/** * 查看个人任务 *  * @param assignee *            审核人 * @version 0.1.0 2016/12/04 *  */public List<Task> queryAssigneeTask(String assignee) throws Exception {/** 这里使用TaskService完成任务的查询 */List<Task> tasks = taskService.createTaskQuery().taskAssignee(assignee).list();return tasks;}public List<Task> queryTaskProcessInstanceId(String processInstanceId, Map<String, Object> jsnVariables) throws Exception {TaskQuery query = null;if (jsnVariables != null && StringUtils.isNotBlank(jsnVariables.getOrDefault("assignee", "").toString()))query = taskService.createTaskQuery().processInstanceId(processInstanceId).taskAssignee(jsnVariables.getOrDefault("assignee", "").toString()).orderByTaskName().asc();elsequery = taskService.createTaskQuery().processInstanceId(processInstanceId).orderByTaskName().asc();List<Task> tasks = null;if (query != null) {tasks = query.list();}return tasks;}/** * 查看参与者任务 */@Override@Transactional(value = FinalConstant.TRANSACTION_ACTIVITI, propagation = Propagation.REQUIRED)public List<Task> queryCandidateUserTask(String candidateUser) throws Exception {/** 这里使用TaskService完成任务的查询 */List<Task> tasks = taskService.createTaskQuery().taskCandidateUser(candidateUser).list();return tasks;}/** * 查看组任务 */public List<Task> queryCandidateGroupTask(List<String> candidateGroup) throws Exception {/** 这里使用完成任务的查询 */List<Task> tasks = taskService.createTaskQuery().taskCandidateGroupIn(candidateGroup).list();return tasks;}/** * 完成任务 *  * @param taskId *            任务id * @param variables *            流程变量 * @version 0.1.0 2016/12/04 *  */public void completeTask(String taskId, Map<String, Object> variables) throws Exception {/** 这里使用TaskService完成任务的办理 */if (variables != null)taskService.complete(taskId, variables);elsetaskService.complete(taskId);}/** * 实现自动完成任务 *  * @param processInstanceId *            实例id * @param assignee *            处理人 * @param variables *            流程变量 */public void completeTaskProcessInstanceId(String processInstanceId, String assignee, Map<String, Object> variables) {TaskQuery query = taskService.createTaskQuery().processInstanceId(processInstanceId).taskAssignee(assignee).orderByTaskName().asc();List<Task> tasks = query.list();for (Task task : tasks) {if (variables != null)taskService.complete(task.getId(), variables);elsetaskService.complete(task.getId());}}public ProcessInstance getProcessInstanceByBusinessKey(String businessKey) throws Exception {return runtimeService.createProcessInstanceQuery().processInstanceBusinessKey(businessKey).singleResult();}public ProcessInstance getProcessInstanceById(String processInstanceId) throws Exception {return runtimeService.createProcessInstanceQuery().processInstanceId(processInstanceId).singleResult();}public Task getTaskByBusinessKey(String businessKey) {// TODO Auto-generated method stubreturn taskService.createTaskQuery().processInstanceBusinessKey(businessKey).singleResult();}/** * 认领任务 通常一个任务为公共任务任务都有一个以上的候选者 */public void takeTask(String taskId, String userId) throws Exception {// claim 认领taskService.claim(taskId, userId);}/** * 委托 */public void delegatedTask(String taskId, String userId) throws Exception {// 委托taskService.delegateTask(taskId, userId);// 结果：所有者是Owner李四，处理人Assignee是userId}/** * 流程是否已经结束 *  * @param processInstanceId *            流程实例ID * @version 0.1.0 2016/12/04 *  */public boolean isFinished(String processInstanceId) {return historyService.createHistoricProcessInstanceQuery().finished().processInstanceId(processInstanceId).count() > 0;}/** 向组任务中添加成员 */public void addGroupUser(String taskId, String userId) {taskService.addCandidateUser(taskId, userId);}/** 向组任务中删除成员 */public void deleteGroupUser(String taskId, String userId) {taskService.deleteCandidateUser(taskId, userId);}/** * 查询流程定义 *  * @param deploymentId *            部署对象id * @param processDefinitionId *            程定义id * @param processDefinitionKey *            流程定义key * @param processDefinitionKeyLike *            流程定义key * @param ascOrDesc *            降序或升序 1降序 默认升序 * @version 0.1.0 2016/12/04 *  */public List<JSONObject> findProcessDefintion(String deploymentId, String processDefinitionId, String processDefinitionKey, String processDefinitionKeyLike, String ascOrDesc) {ProcessDefinitionQuery processDefinitionQuery = repositoryService.createProcessDefinitionQuery();// 指定查询条件if (StringUtils.isNotBlank(deploymentId)) {processDefinitionQuery.deploymentId(deploymentId);// 使用部署对象id查询}if (StringUtils.isNotBlank(processDefinitionId)) {processDefinitionQuery.processDefinitionId(processDefinitionId);// 使用流程定义id查询}if (StringUtils.isNotBlank(processDefinitionKey)) {processDefinitionQuery.processDefinitionKey(processDefinitionKey);// 使用流程定义key查询}if (StringUtils.isNotBlank(processDefinitionKeyLike)) {processDefinitionQuery.processDefinitionKeyLike(processDefinitionKeyLike);// 使用流程定义key模糊查询}// 排序if (StringUtils.isBlank(ascOrDesc) || StringUtils.equalsIgnoreCase(ascOrDesc, "1")) {processDefinitionQuery.orderByProcessDefinitionVersion().asc();// 按照版本升序排列} else {processDefinitionQuery.orderByProcessDefinitionVersion().desc();// 按照版本降序排列}// 返回结果集List<ProcessDefinition> list = processDefinitionQuery.list();// 返回一个集合列表，封装流程定义List<JSONObject> alProcess = new ArrayList<>();JSONObject jsn;if (list != null && list.size() > 0) {for (ProcessDefinition pd : list) {jsn = (JSONObject) JSONObject.toJSON(pd);alProcess.add(jsn);}list.clear();}return alProcess;}/** * 获得高亮线 *  * @param processDefinitionEntity *            流程定义实体 * @param historicActivityInstances *            历史活动实体 * @return 线ID集合 * @version 0.1.0 2016/12/04 *  */private List<String> getHighLightedFlows(ProcessDefinitionEntity processDefinitionEntity, List<HistoricActivityInstance> historicActivityInstances) {List<String> highFlows = new ArrayList<>();// 用以保存高亮的线flowIdfor (int i = 0; i < historicActivityInstances.size(); i++) {// 对历史流程节点进行遍历ActivityImpl activityImpl = processDefinitionEntity.findActivity(historicActivityInstances.get(i).getActivityId());// 得// 到节点定义的详细信息List<ActivityImpl> sameStartTimeNodes = new ArrayList<>();// 用以保存后需开始时间相同的节点if ((i + 1) >= historicActivityInstances.size()) {break;}ActivityImpl sameActivityImpl1 = processDefinitionEntity.findActivity(historicActivityInstances.get(i + 1).getActivityId());// 将后面第一个节点放在时间相同节点的集合里sameStartTimeNodes.add(sameActivityImpl1);for (int j = i + 1; j < historicActivityInstances.size() - 1; j++) {HistoricActivityInstance activityImpl1 = historicActivityInstances.get(j);// 后续第一个节点HistoricActivityInstance activityImpl2 = historicActivityInstances.get(j + 1);// 后续第二个节点Calendar calendar = Calendar.getInstance();calendar.setTime(activityImpl1.getStartTime());calendar.set(Calendar.MILLISECOND, 0);Calendar calendar1 = Calendar.getInstance();calendar1.setTime(activityImpl2.getStartTime());calendar1.set(Calendar.MILLISECOND, 0);if (calendar.compareTo(calendar1) == 0) {// 如果第一个节点和第二个节点开始时间相同保存ActivityImpl sameActivityImpl2 = processDefinitionEntity.findActivity(activityImpl2.getActivityId());sameStartTimeNodes.add(sameActivityImpl2);} else {// 有不相同跳出循环break;}}List<PvmTransition> pvmTransitions = activityImpl.getOutgoingTransitions();// 取出节点的所有出去的线for (PvmTransition pvmTransition : pvmTransitions) {// 对所有的线进行遍历ActivityImpl pvmActivityImpl = (ActivityImpl) pvmTransition.getDestination();// 如果取出的线的目标节点存在时间相同的节点里，保存该线的id，进行高亮显示if (sameStartTimeNodes.contains(pvmActivityImpl)) {highFlows.add(pvmTransition.getId());}}}return highFlows;}/** * 流程跟踪图片 *  * @param processDefinitionId *            流程定义ID * @param executionId *            流程运行ID * @param out *            输出流 * @throws Exception * @version 0.1.0 2016/12/04 *  */public InputStream processTracking(String processDefinitionId, String executionId) throws Exception {// 当前活动节点、活动线List<String> activeActivityIds = new ArrayList<>();List<String> highLightedFlows;// 获得当前活动的节点if (this.isFinished(executionId)) {// 如果流程已经结束，则得到结束节点activeActivityIds.add(historyService.createHistoricActivityInstanceQuery().executionId(executionId).activityType("endEvent").singleResult().getActivityId());} else {// 如果流程没有结束，则取当前活动节点// 根据流程实例ID获得当前处于活动状态的ActivityId合集activeActivityIds = runtimeService.getActiveActivityIds(executionId);}// 获得当前活动的节点-结束// 获得活动的线// 获得历史活动记录实体（通过启动时间正序排序，不然有的线可以绘制不出来）List<HistoricActivityInstance> historicActivityInstances = historyService.createHistoricActivityInstanceQuery().processInstanceId(executionId).orderByHistoricActivityInstanceStartTime().asc().list();// 计算活动线highLightedFlows = getHighLightedFlows((ProcessDefinitionEntity) ((RepositoryServiceImpl) repositoryService).getDeployedProcessDefinition(processDefinitionId), historicActivityInstances);// 获得活动的线-结束// 绘制图形if (null != activeActivityIds) {InputStream imageStream = null;try {// 根据流程定义ID获得BpmnModelBpmnModel bpmnModel = repositoryService.getBpmnModel(processDefinitionId);// 输出资源内容到相应对象imageStream = new DefaultProcessDiagramGenerator().generateDiagram(bpmnModel, "jpg", activeActivityIds, highLightedFlows, processEngineConfiguration.getActivityFontName(),processEngineConfiguration.getLabelFontName(), processEngineConfiguration.getAnnotationFontName(), processEngineConfiguration.getClassLoader(), 1.0);// IOUtils.copy(imageStream, out);return imageStream;} catch (Exception e) {return imageStream;} finally {IOUtils.closeQuietly(imageStream);}}return null;}public Collection<FlowElement> queryFlowElement(InputStream resouceStream) {Collection<FlowElement> flowElements = null;try {InputStreamReader in = new InputStreamReader(resouceStream, "UTF-8");XMLStreamReader xtr = XMLInputFactory.newInstance().createXMLStreamReader(in);BpmnModel model = new BpmnXMLConverter().convertToBpmnModel(xtr);flowElements = model.getMainProcess().getFlowElements();} catch (Exception e) {e.printStackTrace();}return flowElements;}/* * 删除key值相同的所有不同版本的流程定义 */public void deleteProcessDefinitionByKey(String processDefinitionKey) {// 先使用流程定义的key查询流程定义，查询出所有的版本List<ProcessDefinition> list = repositoryService.createProcessDefinitionQuery().processDefinitionKey(processDefinitionKey)// 使用流程定义的key查询.list();// 遍历，获取每个流程定义的部署IDif (list != null && list.size() > 0) {for (ProcessDefinition pd : list) {// 获取部署IDString deploymentId = pd.getDeploymentId();repositoryService.deleteDeployment(deploymentId, true);}}}public InputStream getDiagramByDeploymentId(String deploymentId) throws IOException {// 获取图片资源名称List<String> list = repositoryService.getDeploymentResourceNames(deploymentId);// 定义图片资源的名称String resourceName = "";if (list != null && list.size() > 0) {for (String name : list) {if (name.indexOf(".png") >= 0) {resourceName = name;}}}return repositoryService.getResourceAsStream(deploymentId, resourceName);}public Task queryTaskById(String taskId) {Task task = taskService.createTaskQuery().taskId(taskId).singleResult();return task;}public Map<String, Object> getTaskVariables(String taskId) throws IOException {try {return taskService.getVariables(taskId);} catch (Exception e) {return null;}}public HistoricProcessInstance findHistoryProcessInstanceByBusKey(String businessKey) throws Exception {return historyService.createHistoricProcessInstanceQuery().processInstanceBusinessKey(businessKey).singleResult();}}