package com.thinkgem.jeesite.common.workflow;
import java.util.List;
import java.util.Map;
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.HistoricProcessInstance;
import org.activiti.engine.runtime.ProcessInstance;
import org.activiti.engine.task.Task;
import org.apache.commons.lang3.ObjectUtils;
import com.google.common.collect.Maps;
import com.thinkgem.jeesite.common.utils.SpringContextHolder;
import com.thinkgem.jeesite.common.utils.StringUtils;
import com.thinkgem.jeesite.modules.sys.utils.UserUtils;
/**
*
*
* @author HenryYan
*/
public class WorkflowUtils {
/**
* 转换流程节点类型为中文说明
* @param type 英文名称
* @return 翻译后的中文名称
*/
public static String parseToZhType(String type) {
Map<String, String> types = Maps.newHashMap();
types.put("userTask", "用户任务");
types.put("serviceTask", "系统任务");
types.put("startEvent", "开始节点");
types.put("endEvent", "结束节点");
types.put("exclusiveGateway", "条件判断节点(系统自动根据条件处理)");
types.put("inclusiveGateway", "并行处理任务");
types.put("callActivity", "子流程");
return types.get(type) == null ? type: types.get(type);
}
public static WorkflowEntity getWorkflowEntity(String processInstanceId) {
RuntimeService runtimeService= SpringContextHolder.getBean(RuntimeService.class);
TaskService taskService= SpringContextHolder.getBean(TaskService.class);
HistoryService historyService= SpringContextHolder.getBean(HistoryService.class);
RepositoryService repositoryService= SpringContextHolder.getBean(RepositoryService.class);
WorkflowEntity workflowEntity = new WorkflowEntity();
List<Task> tasks= taskService.createTaskQuery().processInstanceId(processInstanceId).active().list();
workflowEntity.setTasks(tasks);
HistoricProcessInstance historicProcessInstance = historyService.createHistoricProcessInstanceQuery().processInstanceId(processInstanceId).singleResult();
if(historicProcessInstance!=null) {
workflowEntity.setHistoricProcessInstance(historicProcessInstance);
workflowEntity.setProcessDefinition(repositoryService.createProcessDefinitionQuery().processDefinitionId(historicProcessInstance.getProcessDefinitionId()).singleResult());
} else {
ProcessInstance processInstance = runtimeService.createProcessInstanceQuery().processInstanceId(processInstanceId).active().singleResult();
workflowEntity.setProcessInstance(processInstance);
workflowEntity.setProcessDefinition(repositoryService.createProcessDefinitionQuery().processDefinitionId(processInstance.getProcessDefinitionId()).singleResult());
}
workflowEntity.setHistoricTaskInstances(historyService.createHistoricTaskInstanceQuery().processInstanceId(processInstanceId).orderByHistoricTaskInstanceEndTime().asc().list());
workflowEntity.setHistoricVariableInstances(historyService.createHistoricVariableInstanceQuery().processInstanceId(processInstanceId).list());
workflowEntity.setComments(taskService.getProcessInstanceComments(processInstanceId));
return workflowEntity;
}
public static void claim(String processInstanceId) {
TaskService taskService= SpringContextHolder.getBean(TaskService.class);
//如果没有签收，签收
Task task = taskService.createTaskQuery().processInstanceId(processInstanceId).singleResult();
if(task != null && StringUtils.isEmpty(task.getAssignee())){
taskService.claim(task.getId(), ObjectUtils.toString(UserUtils.getUser().getId()));
}
}
}