流程引擎简单回退功能实现

WebContent/process/pages/procinstance/js/procinstanceTabHistory.js

@@ -15,22 +15,30 @@ $(function(){
 			field : 'ACTIVITY_NAME',
 			title : '环节名称',
 			width : 200,
-			align : 'center',
+			align : 'center'
 		}, {
 			field : 'ASSIGNEE',
 			title : '办理人',
 			width : 200,
-			align : 'center',
+			align : 'center'
+//		}, {
+//			field : 'IS_BACK',
+//			title : '特殊',
+//			width : 250,
+//			align : 'center',
+//			formatter:function(value,row,index){
+//				return value==1?"回退":"正常";
+//			}
 		}, {
 			field : 'START_TIME',
 			title : '开始时间',
 			width : 250,
-			align : 'center',
+			align : 'center'
 		}, {
 			field : 'END_TIME',
 			title : '结束时间',
 			width : 250,
-			align : 'center',
+			align : 'center'
 		} ] ],
 		onLoadSuccess : function() {
 			if(is_opetipmenuwidth==null){

WebContent/process/pages/proctask/js/proctaskTab.js

@@ -178,6 +178,13 @@ function updateDataToNext(is_entity){
 	return v_result;
 }
 
+//退回按钮执行事件
+function backProc(is_entity){
+	v_result = proctaskModule.act.back(is_entity);
+	$('#list').datagrid('reload');
+	return v_result;
+}
+
 /****/
 
 /**

src_process/com/gaowj/activiti/cmd/NodeJumpTaskCmd.java

+package com.gaowj.activiti.cmd;
+
+import java.util.Iterator;
+import java.util.Map;
+
+import org.activiti.engine.impl.interceptor.Command;
+import org.activiti.engine.impl.interceptor.CommandContext;
+import org.activiti.engine.impl.persistence.entity.ExecutionEntity;
+import org.activiti.engine.impl.persistence.entity.ExecutionEntityManager;
+import org.activiti.engine.impl.persistence.entity.TaskEntity;
+import org.activiti.engine.impl.pvm.process.ActivityImpl;
+
+public class NodeJumpTaskCmd implements Command<Void> {
+	protected String executionId;// 执行ID
+	protected ActivityImpl desActivity; // 目标引擎对象
+	protected Map<String, Object> paramvar;// 变量
+	protected ActivityImpl currentActivity;// 当前引擎对象
+	protected String deleteReason = "completed";
+
+	/**
+	 * 构造参数 可以根据自己的业务需要添加更多的字段
+	 * 
+	 * @param executionId
+	 * @param desActivity
+	 * @param paramvar
+	 * @param currentActivity
+	 */
+	public NodeJumpTaskCmd(String executionId, ActivityImpl desActivity, Map<String, Object> paramvar, ActivityImpl currentActivity) {
+		this.executionId = executionId;
+		this.desActivity = desActivity;
+		this.paramvar = paramvar;
+		this.currentActivity = currentActivity;
+	}
+
+	public NodeJumpTaskCmd(String executionId, ActivityImpl desActivity, Map<String, Object> paramvar, ActivityImpl currentActivity, String deleteReason) {
+		this.executionId = executionId;
+		this.desActivity = desActivity;
+		this.paramvar = paramvar;
+		this.currentActivity = currentActivity;
+		this.deleteReason = deleteReason;
+	}
+
+	/**
+	 * 获取执行实体管理 获取当前的任务执行对象 设置对应的值 获取当前的任务 删除 执行目标工作流
+	 */
+	@Override
+	public Void execute(CommandContext commandContext) {
+		// 获取执行实体管理
+		ExecutionEntityManager executionEntityManager = commandContext.getExecutionEntityManager();
+		// 根据ExecutionID 查找执行实体 获取当前流程的executionId，因为在并发的情况下executionId是唯一的。
+		ExecutionEntity executionEntity = executionEntityManager.findExecutionById(executionId);
+		executionEntity.setVariables(paramvar);
+		executionEntity.setEventSource(this.currentActivity);
+		executionEntity.setActivity(this.currentActivity);
+		// 获取当前ExecutionID的任务 根据executionId 获取Task
+		Iterator<TaskEntity> localIterator = commandContext.getTaskEntityManager().findTasksByExecutionId(this.executionId).iterator();
+		while (localIterator.hasNext()) {
+			TaskEntity taskEntity = (TaskEntity) localIterator.next();
+			// 触发任务监听
+			taskEntity.fireEvent("complete");
+			// 删除任务的原因
+			commandContext.getTaskEntityManager().deleteTask(taskEntity, this.deleteReason, false);
+		}
+		executionEntity.executeActivity(this.desActivity);
+		System.out.println();
+		return null;
+	}
+
+}

src_process/com/gaowj/activiti/listener/AssignmentTaskListener.java

@@ -9,13 +9,11 @@ import org.activiti.engine.HistoryService;
 import org.activiti.engine.delegate.DelegateTask;
 import org.activiti.engine.delegate.TaskListener;
 import org.activiti.engine.history.HistoricActivityInstance;
+import org.activiti.engine.task.IdentityLink;
 import org.springframework.context.ApplicationContext;
 import org.springframework.web.context.ContextLoaderListener;
-import org.springframework.web.context.support.WebApplicationContextUtils;
 
 import com.gaowj.business.ProcdefiChooseUserBusiness;
-import com.gaowj.business.ProcinstanceBusiness;
-import com.gaowj.business.comp.BusinessManager;
 import com.gaowj.business.util.SessionUtil;
 
 /**

src_process/com/gaowj/business/procinstance/ProcinstanceBusinessImpl.java

@@ -20,6 +20,7 @@ import org.activiti.engine.TaskService;
 import org.activiti.engine.history.HistoricActivityInstance;
 import org.activiti.engine.history.HistoricProcessInstance;
 import org.activiti.engine.repository.ProcessDefinition;
+import org.activiti.engine.task.Task;
 import org.activiti.image.impl.DefaultProcessDiagramGenerator;
 import org.apache.ibatis.session.RowBounds;
 
@@ -32,6 +33,7 @@ import com.gaowj.business.system.SystemBackDAO;
 import com.gaowj.business.util.Page;
 import com.gaowj.business.util.SessionUtil;
 import com.gaowj.business.utils.ActivitiTools;
+import com.gaowj.business.utils.model.ActivitiOptEnum;
 import com.gaowj.business.utils.model.ActivitiResultEnum;
 
 public class ProcinstanceBusinessImpl implements ProcinstanceBusiness {
@@ -157,7 +159,7 @@ public class ProcinstanceBusinessImpl implements ProcinstanceBusiness {
 
 	@Override
 	public Map<String, Object> update_proc_instance(Map<String, Object> entity) throws ActivitiException,BusinessException {
-		ActivitiResultEnum activitiResultEnum = ActivitiTools.save(entity, false);
+		ActivitiResultEnum activitiResultEnum = ActivitiTools.save(entity, ActivitiOptEnum.SAVE);
 		switch (activitiResultEnum) {
 		case OK:
 			break;
@@ -169,7 +171,7 @@ public class ProcinstanceBusinessImpl implements ProcinstanceBusiness {
 
 	@Override
 	public Map<String, Object> update_proc_instance_next(Map<String, Object> entity) throws ActivitiException,BusinessException {
-		ActivitiResultEnum activitiResultEnum = ActivitiTools.save(entity, true);
+		ActivitiResultEnum activitiResultEnum = ActivitiTools.save(entity, ActivitiOptEnum.SAVE_AND_NEXT);
 		switch (activitiResultEnum) {
 		case OK:
 			break;
@@ -289,13 +291,7 @@ public class ProcinstanceBusinessImpl implements ProcinstanceBusiness {
 				// 只显示userTask类型
 				continue;
 			}
-			/*
-			 * if(hai.getActivityName()==null){ continue; }
-			 */
-			/*
-			 * if(hai.getAssignee()==null&&hai.getEndTime()!=null){
-			 * //如果没有办理人，但是有结束时间，任务该环节是开始环节，默认剔除 continue; }
-			 */
+			
 			if (hai.getAssignee() != null) {
 				listAssignee.add(hai.getAssignee());
 			}

src_process/com/gaowj/business/proctask/ProctaskBusinessImpl.java

@@ -32,6 +32,7 @@ import com.gaowj.business.procinstance.procinstanceDAO;
 import com.gaowj.business.util.Page;
 import com.gaowj.business.util.SessionUtil;
 import com.gaowj.business.utils.ActivitiTools;
+import com.gaowj.business.utils.model.ActivitiOptEnum;
 import com.gaowj.business.utils.model.ActivitiResultEnum;
 
 public class ProctaskBusinessImpl implements ProctaskBusiness {
@@ -232,7 +233,7 @@ public class ProctaskBusinessImpl implements ProctaskBusiness {
 
 	@Override
 	public Map<String, Object> update(Map<String, Object> entity) throws ActivitiException, BusinessException {
-		ActivitiResultEnum activitiResultEnum = ActivitiTools.save(entity, false);
+		ActivitiResultEnum activitiResultEnum = ActivitiTools.save(entity, ActivitiOptEnum.SAVE);
 		switch (activitiResultEnum) {
 		case OK:
 			break;
@@ -244,7 +245,7 @@ public class ProctaskBusinessImpl implements ProctaskBusiness {
 
 	@Override
 	public Map<String, Object> updateToNext(Map<String, Object> entity) throws ActivitiException, BusinessException {
-		ActivitiResultEnum activitiResultEnum = ActivitiTools.save(entity, true);
+		ActivitiResultEnum activitiResultEnum = ActivitiTools.save(entity, ActivitiOptEnum.SAVE_AND_NEXT);
 		switch (activitiResultEnum) {
 		case OK:
 			break;
@@ -256,147 +257,15 @@ public class ProctaskBusinessImpl implements ProctaskBusiness {
 
 	@Override
 	public Map<String, Object> back(Map<String, Object> entity) throws BusinessException {
-		// 存储自定义表单的业务数据
-		update_custom_business(entity.get("TABLE_ID_SYSTEM").toString(), entity);
-		// 通过任务id获取流程id
-		String taskId = entity.get("TASK_ID_SYSTEM").toString();
-		// 退回当前任务
-		taskRollBack(taskId);
-		return entity;
-	}
-
-	private void update_proc_instance(Map<String, Object> entity) {
-		Map<String, Object> entity2 = new HashMap<String, Object>();
-		entity2.put("UUID", entity.get("UUID"));
-		if (entity.keySet() != null) {
-			List<Map<String, Object>> info = new ArrayList<Map<String, Object>>();
-			entity2.put("info", info);
-			Set<String> key = entity.keySet();
-			for (String str : key) {
-				if ("UUID".equals(str)) {
-					continue;
-				}
-				Map<String, Object> colum = new HashMap<String, Object>();
-				colum.put("key", str);
-				colum.put("value", entity.get(str));
-				info.add(colum);
-			}
-		}
-		procinstanceDAO.update_proc_instance(entity2);
-
-	}
-
-	private String update_custom_business(String tableId, Map<String, Object> entity) {
-		entity.remove("TABLE_ID_SYSTEM");
-		if (entity.get("UUID") == null) {
-			entity.put("UUID", java.util.UUID.randomUUID().toString());
-		}
-		if (entity.get("CREATE_TIME") == null) {
-			entity.put("CREATE_TIME", new Date());
-		}
-		if (entity.get("CREATE_ID") == null) {
-			entity.put("CREATE_ID", SessionUtil.getCode());
-		}
-		if (entity.get("UPDATE_ID") == null) {
-			entity.put("UPDATE_ID", SessionUtil.getCode());
-		}
-		if (entity.get("UPDATE_TIME") == null) {
-			entity.put("UPDATE_TIME", new Date());
+		ActivitiResultEnum activitiResultEnum = ActivitiTools.save(entity, ActivitiOptEnum.SAVE_AND_RALLBACK);
+		switch (activitiResultEnum) {
+		case OK:
+			break;
+		default:
+			throw new ActivitiException(activitiResultEnum.getMsg());
 		}
-		Map<String, Object> query = new HashMap<String, Object>();
-		query.put("UUID", tableId);
-
-		// 动态传值插入
-		List<Map<String, Object>> infoList = new ArrayList<Map<String, Object>>();
-		// List<String> infoListKey = new ArrayList<String>();
-		if (entity.keySet() != null) {
-			Set<String> key = entity.keySet();
-			// 将map集合中的key和value 取出来分别放到list集合里
-			for (String str : key) {
-				// UUID不需要加进去
-				if ("UUID".equals(str)) {
-					continue;
-				}
-				Map<String, Object> kv = new HashMap<String, Object>();
-				kv.put("value", entity.get(str));
-				kv.put("key", str);
-				infoList.add(kv);
-			}
-			entity.put("infoList", infoList);
-		}
-		/*
-		 * List<Object> infoList = new ArrayList<Object>(); if (entity.keySet()
-		 * != null) { Set<String> key = entity.keySet(); // 将map集合中的key和value
-		 * 取出来分别放到list集合里 for (String str : key) {
-		 * infoList.add(entity.get(str)); infoListKey.add(str); }
-		 * entity.put("infoListKey", infoListKey); entity.put("infoList",
-		 * infoList); }
-		 */
-		// 设置表名
-		String tableName = formtableDAO.list_form_table(query).get(0).get("TABLE_NAME").toString();
-		entity.put("tableName", tableName);
-		entity.put("uuid", entity.get("UUID"));
-		procdefinitionDAO.update_custom_business(entity);
-		return entity.get("UUID").toString();
+		return entity;
 	}
 
-	private void taskRollBack(String taskId) {
-		try {
-			Map<String, Object> variables;
-			// 取得当前任务
-			HistoricTaskInstance currTask = historyService.createHistoricTaskInstanceQuery().taskId(taskId).singleResult();
-			// 取得流程实例
-			ProcessInstance instance = runtimeService.createProcessInstanceQuery().processInstanceId(currTask.getProcessInstanceId()).singleResult();
-			if (instance == null) {
-				// 流程结束
-			}
-			variables = instance.getProcessVariables();
-			// 取得流程定义
-			ProcessDefinitionEntity definition = (ProcessDefinitionEntity) (repositoryService.getProcessDefinition(currTask.getProcessDefinitionId()));
-
-			if (definition == null) {
-				// log.error("流程定义未找到");
-				return;
-			}
-			// 取得上一步活动
-			ActivityImpl currActivity = ((ProcessDefinitionImpl) definition).findActivity(currTask.getTaskDefinitionKey());
-			List<PvmTransition> nextTransitionList = currActivity.getIncomingTransitions();
-			// 清除当前活动的出口
-			List<PvmTransition> oriPvmTransitionList = new ArrayList<PvmTransition>();
-			List<PvmTransition> pvmTransitionList = currActivity.getOutgoingTransitions();
-			for (PvmTransition pvmTransition : pvmTransitionList) {
-				oriPvmTransitionList.add(pvmTransition);
-			}
-			pvmTransitionList.clear();
-
-			// 建立新出口
-			List<TransitionImpl> newTransitions = new ArrayList<TransitionImpl>();
-			for (PvmTransition nextTransition : nextTransitionList) {
-				PvmActivity nextActivity = nextTransition.getSource();
-				ActivityImpl nextActivityImpl = ((ProcessDefinitionImpl) definition).findActivity(nextActivity.getId());
-				TransitionImpl newTransition = currActivity.createOutgoingTransition();
-				newTransition.setDestination(nextActivityImpl);
-				newTransitions.add(newTransition);
-			}
-			// 完成任务
-			List<Task> tasks = taskService.createTaskQuery().processInstanceId(instance.getId()).taskDefinitionKey(currTask.getTaskDefinitionKey()).list();
-			for (Task task : tasks) {
-				taskService.complete(task.getId(), variables);
-				historyService.deleteHistoricTaskInstance(task.getId());
-			}
-			// 恢复方向
-			for (TransitionImpl transitionImpl : newTransitions) {
-				currActivity.getOutgoingTransitions().remove(transitionImpl);
-			}
-			for (PvmTransition pvmTransition : oriPvmTransitionList) {
-				pvmTransitionList.add(pvmTransition);
-			}
-
-			return;
-		} catch (Exception e) {
-
-			return;
-		}
-	}
 
 }

src_process/com/gaowj/business/utils/model/ActivitiOptEnum.java

+package com.gaowj.business.utils.model;
+
+/**
+ * activiti操作枚举类
+ * 
+ * @author luosz
+ *
+ */
+public enum ActivitiOptEnum {
+	/**
+	 * 保存
+	 */
+	SAVE(true, false, false),
+	/**
+	 * 保存并且下一步
+	 */
+	SAVE_AND_NEXT(true, true, false),
+	/**
+	 * 下一步
+	 */
+	NEXT(false, true, false),
+	/**
+	 * 回退
+	 */
+	RALLBACK(false, false, true),
+	/**
+	 * 保存并回退
+	 */
+	SAVE_AND_RALLBACK(true, false, true);
+
+	private boolean isNextSign = false;
+	private boolean isSaveSign = false;
+	private boolean isRallbackSign = false;
+
+	/**
+	 * 操作规则制定
+	 * 
+	 * @param isSaveSign
+	 *            是否执行保存
+	 * @param isNextSign
+	 *            是否执行下一步
+	 * @param isRallbackSign
+	 *            是否执行回退
+	 */
+	private ActivitiOptEnum(boolean isSaveSign, boolean isNextSign, boolean isRallbackSign) {
+		this.isSaveSign = isSaveSign;
+		this.isNextSign = isNextSign;
+		this.isRallbackSign = isRallbackSign;
+	}
+
+	/**
+	 * 是否执行下一步
+	 * 
+	 * @return
+	 */
+	public boolean isNext() {
+		return isNextSign;
+	}
+
+	/**
+	 * 是否执行保存
+	 * 
+	 * @return
+	 */
+	public boolean isSave() {
+		return isSaveSign;
+	}
+
+	/**
+	 * 是否执行回退
+	 * 
+	 * @return
+	 */
+	public boolean isRallback() {
+		return isRallbackSign;
+	}
+}

src_process/com/gaowj/business/utils/model/ActivitiResultEnum.java

@@ -14,7 +14,11 @@ public enum ActivitiResultEnum {
 	/**
 	 * 无权限
 	 */
-	NO_POWER(-1, "您不是当前环节操作人，无权限修改该内容！");
+	NO_POWER(-1, "您不是当前环节操作人，无权限修改该内容！"),
+	/**
+	 * 退回异常
+	 */
+	ROLLBACK_ERROR(-2, "回退异常！");
 	private ActivitiResult activitiResult;
 
 	private ActivitiResultEnum(int code, String msg) {

src_process/com/gaowj/procinstance/action/dataAction.java

@@ -62,12 +62,12 @@ public class dataAction extends BasicAction{
 		Map<String, Object> query = RequestUtils.getUpdateFieldMap(request,RequestUtils.UPDATEDATAFIELDPREFIX);
 		try {
 			query = QueryParamUtil.StringToDate(query);
-			Page<Map<String, Object>> pageRows = business.list_proc_instance(pageNo,pageSize, query);
-			setPageCount((pageRows.getCount() - 1) / pageSize + 1);
+			Page<Map<String, Object>> pageRows = business.list_proc_instance(page,rows, query);
+			setPageCount((pageRows.getCount() - 1) / rows + 1);
 			Map<String, Object> data = new HashMap<String, Object>();
 			data.put("rowSet", QueryParamUtil.DateTimeToString(pageRows.getItems()));
-			data.put("pageNo", pageNo);
-			data.put("pageSize", pageSize);
+			data.put("pageNo", page);
+			data.put("pageSize", rows);
 			data.put("pageCount", pageCount);
 			data.put("rows", data.get("rowSet"));
 			data.put("total", pageRows.getCount());

src_process/com/gaowj/proctask/action/actAction.java

@@ -92,8 +92,16 @@ public class actAction extends BasicAction {
 		jsonObject = new JSONObject();
 		try {
 			entity = QueryParamUtil.StringToDate(entity);
-			// business.list_proc_task(pageNo, pageSize, query)
+			Map<String, Object> procinstance = business.back(entity);
+			
+			// 操作日志
+			SystemOpeBusiness sysbusiness = BusinessManager.getBusiness(SystemOpeBusiness.class);
+			sysbusiness.insert_logBusiness("backInfo", "" + procinstance, "回退流程实例数据", (String) entity.get("UUID"), (String) entity.get("CONTENT"), "procinstance");
+
 			jsonObject.putAll(Status.getStatusSuccessMessage("保存成功"));
+		} catch (ActivitiException e) {
+			jsonObject.putAll(Status.getStatusErrorMessage(e.getMessage()));
+			e.printStackTrace();
 		} catch (Exception e) {
 			jsonObject.putAll(Status.getStatusErrorMessage(e.getMessage()));
 			e.printStackTrace();