Activitiの流れは、却下、署名、転送、中止、保留等のコア操作パッケージ（Activiti 5.9）を通過する。
32262 ワード
回転:http://blog.csdn.net/rosten/article/details/38300267
package com.famousPro.process.service.impl;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.activiti.engine.FormService;
import org.activiti.engine.HistoryService;
import org.activiti.engine.RepositoryService;
import org.activiti.engine.RuntimeService;
import org.activiti.engine.TaskService;
import org.activiti.engine.history.HistoricActivityInstance;
import org.activiti.engine.impl.RepositoryServiceImpl;
import org.activiti.engine.impl.persistence.entity.ProcessDefinitionEntity;
import org.activiti.engine.impl.persistence.entity.TaskEntity;
import org.activiti.engine.impl.pvm.PvmTransition;
import org.activiti.engine.impl.pvm.process.ActivityImpl;
import org.activiti.engine.impl.pvm.process.ProcessDefinitionImpl;
import org.activiti.engine.impl.pvm.process.TransitionImpl;
import org.activiti.engine.runtime.ProcessInstance;
import org.activiti.engine.task.Task;
import com.famousPro.common.service.impl.BaseServiceImp;
import com.famousPro.common.util.IDGenerator;
import com.famousPro.common.util.StringUtil;
import com.famousPro.process.service.ProcessCoreService;
import com.famousPro.process.service.ProcessOtherService;
/**
* <br>
* ： 、 、 、 、 、 <br>
*
* @author wangfuwei
*
*/
public class ProcessCoreServiceImpl extends BaseServiceImp implements
ProcessCoreService {
protected RepositoryService repositoryService;
protected RuntimeService runtimeService;
protected TaskService taskService;
protected FormService formService;
protected HistoryService historyService;
protected ProcessOtherService processOtherService;
/**
* ID，
*
* @param taskId
* ID
*/
public List<ActivityImpl> findBackAvtivity(String taskId) throws Exception {
List<ActivityImpl> rtnList = null;
if (processOtherService.isJointTask(taskId)) {// ，
rtnList = new ArrayList<ActivityImpl>();
} else {
rtnList = iteratorBackActivity(taskId, findActivitiImpl(taskId,
null), new ArrayList<ActivityImpl>(),
new ArrayList<ActivityImpl>());
}
return reverList(rtnList);
}
/**
* ( )
*
* @param taskId
* ID
* @param variables
*
* @throws Exception
*/
public void passProcess(String taskId, Map<String, Object> variables)
throws Exception {
List<Task> tasks = taskService.createTaskQuery().parentTaskId(taskId)
.taskDescription("jointProcess").list();
for (Task task : tasks) {//
commitProcess(task.getId(), null, null);
}
commitProcess(taskId, variables, null);
}
/**
*
*
* @param taskId
* ID
* @param activityId
* ID
* @param variables
*
* @throws Exception
*/
public void backProcess(String taskId, String activityId,
Map<String, Object> variables) throws Exception {
if (StringUtil.isNull(activityId)) {
throw new Exception(" ID ！");
}
// ，
List<Task> tasks = taskService.createTaskQuery().parentTaskId(taskId)
.taskDescription("jointProcess").list();
for (Task task : tasks) {
commitProcess(task.getId(), null, null);
}
// ，
List<Task> taskList = findTaskListByKey(findProcessInstanceByTaskId(
taskId).getId(), findTaskById(taskId).getTaskDefinitionKey());
for (Task task : taskList) {
commitProcess(task.getId(), variables, activityId);
}
}
/**
*
*
* @param taskId
* ID
* @param activityId
* ID
* @throws Exception
*/
public void callBackProcess(String taskId, String activityId)
throws Exception {
if (StringUtil.isNull(activityId)) {
throw new Exception(" ID ！");
}
// ，
List<Task> taskList = findTaskListByKey(findProcessInstanceByTaskId(
taskId).getId(), findTaskById(taskId).getTaskDefinitionKey());
for (Task task : taskList) {
commitProcess(task.getId(), null, activityId);
}
}
/**
* ( )
*
* @param taskId
*/
public void endProcess(String taskId) throws Exception {
ActivityImpl endActivity = findActivitiImpl(taskId, "end");
commitProcess(taskId, null, endActivity.getId());
}
/**
*
*
* @param taskId
* ID
* @param userCodes
*
* @throws Exception
*/
public void jointProcess(String taskId, List<String> userCodes)
throws Exception {
for (String userCode : userCodes) {
TaskEntity task = (TaskEntity) taskService.newTask(IDGenerator
.generateID());
task.setAssignee(userCode);
task.setName(findTaskById(taskId).getName() + "- ");
task.setProcessDefinitionId(findProcessDefinitionEntityByTaskId(
taskId).getId());
task.setProcessInstanceId(findProcessInstanceByTaskId(taskId)
.getId());
task.setParentTaskId(taskId);
task.setDescription("jointProcess");
taskService.saveTask(task);
}
}
/**
*
*
* @param taskId
* ID
* @param userCode
* Code
*/
public void transferAssignee(String taskId, String userCode) {
taskService.setAssignee(taskId, userCode);
}
/**
* ***************************************************************************************************************************************************<br>
* ************************************************ ******************************************************************************<br>
* ***************************************************************************************************************************************************<br>
*/
/**
* ***************************************************************************************************************************************************<br>
* ************************************************ ******************************************************************************<br>
* ***************************************************************************************************************************************************<br>
*/
/**
* ***************************************************************************************************************************************************<br>
* ************************************************ ******************************************************************************<br>
* ***************************************************************************************************************************************************<br>
*/
/**
* @param taskId
* ID
* @param variables
*
* @param activityId
* ID<br>
* ，
* @throws Exception
*/
private void commitProcess(String taskId, Map<String, Object> variables,
String activityId) throws Exception {
if (variables == null) {
variables = new HashMap<String, Object>();
}
// ，
if (StringUtil.isNull(activityId)) {
taskService.complete(taskId, variables);
} else {//
turnTransition(taskId, activityId, variables);
}
}
/**
*
*
* @param activityImpl
*
* @return
*/
private List<PvmTransition> clearTransition(ActivityImpl activityImpl) {
//
List<PvmTransition> oriPvmTransitionList = new ArrayList<PvmTransition>();
// ， ，
List<PvmTransition> pvmTransitionList = activityImpl
.getOutgoingTransitions();
for (PvmTransition pvmTransition : pvmTransitionList) {
oriPvmTransitionList.add(pvmTransition);
}
pvmTransitionList.clear();
return oriPvmTransitionList;
}
/**
*
*
* @param activityImpl
*
* @param oriPvmTransitionList
*
*/
private void restoreTransition(ActivityImpl activityImpl,
List<PvmTransition> oriPvmTransitionList) {
//
List<PvmTransition> pvmTransitionList = activityImpl
.getOutgoingTransitions();
pvmTransitionList.clear();
//
for (PvmTransition pvmTransition : oriPvmTransitionList) {
pvmTransitionList.add(pvmTransition);
}
}
/**
*
*
* @param taskId
* ID
* @param activityId
* ID
* @param variables
*
* @throws Exception
*/
private void turnTransition(String taskId, String activityId,
Map<String, Object> variables) throws Exception {
//
ActivityImpl currActivity = findActivitiImpl(taskId, null);
//
List<PvmTransition> oriPvmTransitionList = clearTransition(currActivity);
//
TransitionImpl newTransition = currActivity.createOutgoingTransition();
//
ActivityImpl pointActivity = findActivitiImpl(taskId, activityId);
//
newTransition.setDestination(pointActivity);
//
taskService.complete(taskId, variables);
//
pointActivity.getIncomingTransitions().remove(newTransition);
//
restoreTransition(currActivity, oriPvmTransitionList);
}
/**
* ***************************************************************************************************************************************************<br>
* ************************************************ ******************************************************************************<br>
* ***************************************************************************************************************************************************<br>
*/
/**
* ***************************************************************************************************************************************************<br>
* ************************************************ ***************************************************************************<br>
* ***************************************************************************************************************************************************<br>
*/
/**
* ，
*
* @param taskId
* ID
* @param currActivity
*
* @param rtnList
*
* @param tempList
* （ userTask ）
* @return
*/
private List<ActivityImpl> iteratorBackActivity(String taskId,
ActivityImpl currActivity, List<ActivityImpl> rtnList,
List<ActivityImpl> tempList) throws Exception {
// ，
ProcessInstance processInstance = findProcessInstanceByTaskId(taskId);
//
List<PvmTransition> incomingTransitions = currActivity
.getIncomingTransitions();
// ，userTask ， ， userTask
List<ActivityImpl> exclusiveGateways = new ArrayList<ActivityImpl>();
// ，userTask ， ， userTask
List<ActivityImpl> parallelGateways = new ArrayList<ActivityImpl>();
//
for (PvmTransition pvmTransition : incomingTransitions) {
TransitionImpl transitionImpl = (TransitionImpl) pvmTransition;
ActivityImpl activityImpl = transitionImpl.getSource();
String type = (String) activityImpl.getProperty("type");
/**
* ：<br>
* ， ID :XXX_start( )，XXX_end( )
*/
if ("parallelGateway".equals(type)) {//
String gatewayId = activityImpl.getId();
String gatewayType = gatewayId.substring(gatewayId
.lastIndexOf("_") + 1);
if ("START".equals(gatewayType.toUpperCase())) {// ，
return rtnList;
} else {// ， ， ， ， userTask
parallelGateways.add(activityImpl);
}
} else if ("startEvent".equals(type)) {// ，
return rtnList;
} else if ("userTask".equals(type)) {//
tempList.add(activityImpl);
} else if ("exclusiveGateway".equals(type)) {// ， ， ， ， userTask
currActivity = transitionImpl.getSource();
exclusiveGateways.add(currActivity);
}
}
/**
* ， userTask
*/
for (ActivityImpl activityImpl : exclusiveGateways) {
iteratorBackActivity(taskId, activityImpl, rtnList, tempList);
}
/**
* ， userTask
*/
for (ActivityImpl activityImpl : parallelGateways) {
iteratorBackActivity(taskId, activityImpl, rtnList, tempList);
}
/**
* userTask ，
*/
currActivity = filterNewestActivity(processInstance, tempList);
if (currActivity != null) {
// ， ID
String id = findParallelGatewayId(currActivity);
if (StringUtil.isNull(id)) {// ID ， ， ，
rtnList.add(currActivity);
} else {// ID ， userTask
currActivity = findActivitiImpl(taskId, id);
}
//
tempList.clear();
//
iteratorBackActivity(taskId, currActivity, rtnList, tempList);
}
return rtnList;
}
/**
* list ，
*
* @param list
* @return
*/
private List<ActivityImpl> reverList(List<ActivityImpl> list) {
List<ActivityImpl> rtnList = new ArrayList<ActivityImpl>();
// ，
for (int i = list.size(); i > 0; i--) {
if (!rtnList.contains(list.get(i - 1)))
rtnList.add(list.get(i - 1));
}
return rtnList;
}
/**
* ， ， ， ID
*
* @param activityImpl
*
* @return
*/
private String findParallelGatewayId(ActivityImpl activityImpl) {
List<PvmTransition> incomingTransitions = activityImpl
.getOutgoingTransitions();
for (PvmTransition pvmTransition : incomingTransitions) {
TransitionImpl transitionImpl = (TransitionImpl) pvmTransition;
activityImpl = transitionImpl.getDestination();
String type = (String) activityImpl.getProperty("type");
if ("parallelGateway".equals(type)) {//
String gatewayId = activityImpl.getId();
String gatewayType = gatewayId.substring(gatewayId
.lastIndexOf("_") + 1);
if ("END".equals(gatewayType.toUpperCase())) {
return gatewayId.substring(0, gatewayId.lastIndexOf("_"))
+ "_start";
}
}
}
return null;
}
/**
* ，
*
* @param processInstance
*
* @param tempList
*
* @return
*/
private ActivityImpl filterNewestActivity(ProcessInstance processInstance,
List<ActivityImpl> tempList) {
while (tempList.size() > 0) {
ActivityImpl activity_1 = tempList.get(0);
HistoricActivityInstance activityInstance_1 = findHistoricUserTask(
processInstance, activity_1.getId());
if (activityInstance_1 == null) {
tempList.remove(activity_1);
continue;
}
if (tempList.size() > 1) {
ActivityImpl activity_2 = tempList.get(1);
HistoricActivityInstance activityInstance_2 = findHistoricUserTask(
processInstance, activity_2.getId());
if (activityInstance_2 == null) {
tempList.remove(activity_2);
continue;
}
if (activityInstance_1.getEndTime().before(
activityInstance_2.getEndTime())) {
tempList.remove(activity_1);
} else {
tempList.remove(activity_2);
}
} else {
break;
}
}
if (tempList.size() > 0) {
return tempList.get(0);
}
return null;
}
/**
*
*
* @param processInstance
*
* @param activityId
* @return
*/
private HistoricActivityInstance findHistoricUserTask(
ProcessInstance processInstance, String activityId) {
HistoricActivityInstance rtnVal = null;
//
List<HistoricActivityInstance> historicActivityInstances = historyService
.createHistoricActivityInstanceQuery().activityType("userTask")
.processInstanceId(processInstance.getId()).activityId(
activityId).finished()
.orderByHistoricActivityInstanceEndTime().desc().list();
if (historicActivityInstances.size() > 0) {
rtnVal = historicActivityInstances.get(0);
}
return rtnVal;
}
/**
* *******************************************************************************************************<br>
* ******************************** ***********************************************<br>
* ********************************************************************************************************<br>
*/
/**
* ********************************************************************************<br>
* ********************** activiti service
* set ***************************<br>
* *********************************************************************************<br>
*/
public void setFormService(FormService formService) {
this.formService = formService;
}
public void setHistoryService(HistoryService historyService) {
this.historyService = historyService;
}
public void setRepositoryService(RepositoryService repositoryService) {
this.repositoryService = repositoryService;
}
public void setRuntimeService(RuntimeService runtimeService) {
this.runtimeService = runtimeService;
}
public void setTaskService(TaskService taskService) {
this.taskService = taskService;
}
/**
* ********************************************************************************<br>
* ********************** activiti service
* set ***************************<br>
* *********************************************************************************<br>
*/
/**
* ********************************************************************************<br>
* ********************** ID **********************<br>
* *********************************************************************************<br>
*/
public void setProcessOtherService(ProcessOtherService processOtherService) {
this.processOtherService = processOtherService;
}
/**
* ID
*
* @param taskId
* ID
* @return
* @throws Exception
*/
private TaskEntity findTaskById(String taskId) throws Exception {
TaskEntity task = (TaskEntity) taskService.createTaskQuery().taskId(
taskId).singleResult();
if (task == null) {
throw new Exception(" !");
}
return task;
}
/**
* ID key
*
* @param processInstanceId
* @param key
* @return
*/
private List<Task> findTaskListByKey(String processInstanceId, String key) {
return taskService.createTaskQuery().processInstanceId(
processInstanceId).taskDefinitionKey(key).list();
}
/**
* ID
*
* @param taskId
* ID
* @return
* @throws Exception
*/
private ProcessInstance findProcessInstanceByTaskId(String taskId)
throws Exception {
//
ProcessInstance processInstance = runtimeService
.createProcessInstanceQuery().processInstanceId(
findTaskById(taskId).getProcessInstanceId())
.singleResult();
if (processInstance == null) {
throw new Exception(" !");
}
return processInstance;
}
/**
* ID
*
* @param taskId
* ID
* @return
* @throws Exception
*/
private ProcessDefinitionEntity findProcessDefinitionEntityByTaskId(
String taskId) throws Exception {
//
ProcessDefinitionEntity processDefinition = (ProcessDefinitionEntity) ((RepositoryServiceImpl) repositoryService)
.getDeployedProcessDefinition(findTaskById(taskId)
.getProcessDefinitionId());
if (processDefinition == null) {
throw new Exception(" !");
}
return processDefinition;
}
/**
* ID ID <br>
*
* @param taskId
* ID
* @param activityId
* ID <br>
* null ""， <br>
* "end"， <br>
*
* @return
* @throws Exception
*/
private ActivityImpl findActivitiImpl(String taskId, String activityId)
throws Exception {
//
ProcessDefinitionEntity processDefinition = findProcessDefinitionEntityByTaskId(taskId);
// ID
if (StringUtil.isNull(activityId)) {
activityId = findTaskById(taskId).getTaskDefinitionKey();
}
// ，
if (activityId.toUpperCase().equals("END")) {
for (ActivityImpl activityImpl : processDefinition.getActivities()) {
List<PvmTransition> pvmTransitionList = activityImpl
.getOutgoingTransitions();
if (pvmTransitionList.isEmpty()) {
return activityImpl;
}
}
}
// ID，
ActivityImpl activityImpl = ((ProcessDefinitionImpl) processDefinition)
.findActivity(activityId);
return activityImpl;
}
/**
* ********************************************************************************<br>
* ********************** ID **********************<br>
* *********************************************************************************<br>
*/
}