package com.mossle.bpm.listener;
import javax.annotation.Resource;
import com.mossle.api.humantask.HumanTaskConnector;
import com.mossle.api.humantask.HumanTaskConstants;
import com.mossle.api.humantask.HumanTaskDTO;
import com.mossle.bpm.cmd.CompleteTaskWithCommentCmd;
import com.mossle.bpm.support.DefaultTaskListener;
import org.activiti.engine.delegate.DelegateTask;
import org.activiti.engine.impl.context.Context;
import org.activiti.engine.impl.identity.Authentication;
import org.activiti.engine.impl.persistence.entity.ProcessDefinitionEntity;
import org.activiti.engine.impl.pvm.PvmActivity;
import org.activiti.engine.impl.pvm.PvmTransition;
import org.activiti.engine.impl.pvm.process.ActivityImpl;
import org.activiti.engine.task.IdentityLink;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* 自动完成第一个任务.
*/
public class AutoCompleteFirstTaskListener extends DefaultTaskListener {
/** logger. */
private static Logger logger = LoggerFactory
.getLogger(AutoCompleteFirstTaskListener.class);
private HumanTaskConnector humanTaskConnector;
@Override
public void onCreate(DelegateTask delegateTask) throws Exception {
String initiatorId = Authentication.getAuthenticatedUserId();
if (initiatorId == null) {
return;
}
String assignee = delegateTask.getAssignee();
if (assignee == null) {
return;
}
PvmActivity targetActivity = this.findFirstActivity(delegateTask
.getProcessDefinitionId());
if (!targetActivity.getId().equals(
delegateTask.getExecution().getCurrentActivityId())) {
return;
}
if (!initiatorId.equals(assignee)) {
return;
}
logger.debug("auto complete first task : {}", delegateTask);
for (IdentityLink identityLink : delegateTask.getCandidates()) {
String userId = identityLink.getUserId();
String groupId = identityLink.getGroupId();
if (userId != null) {
delegateTask.deleteCandidateUser(userId);
}
if (groupId != null) {
delegateTask.deleteCandidateGroup(groupId);
}
}
// 对提交流程的任务进行特殊处理
HumanTaskDTO humanTaskDto = humanTaskConnector
.findHumanTaskByTaskId(delegateTask.getId());
humanTaskDto.setCatalog(HumanTaskConstants.CATALOG_START);
humanTaskConnector.saveHumanTask(humanTaskDto);
// ((TaskEntity) delegateTask).complete();
// Context.getCommandContext().getHistoryManager().recordTaskId((TaskEntity) delegateTask);
new CompleteTaskWithCommentCmd(delegateTask.getId(), null, "发起流程")
.execute(Context.getCommandContext());
}
/**
* 获得第一个节点.
*/
public PvmActivity findFirstActivity(String processDefinitionId) {
ProcessDefinitionEntity processDefinitionEntity = Context
.getProcessEngineConfiguration().getProcessDefinitionCache()
.get(processDefinitionId);
ActivityImpl startActivity = processDefinitionEntity.getInitial();
if (startActivity.getOutgoingTransitions().size() != 1) {
throw new IllegalStateException(
"start activity outgoing transitions cannot more than 1, now is : "
+ startActivity.getOutgoingTransitions().size());
}
PvmTransition pvmTransition = startActivity.getOutgoingTransitions()
.get(0);
PvmActivity targetActivity = pvmTransition.getDestination();
if (!"userTask".equals(targetActivity.getProperty("type"))) {
logger.debug("first activity is not userTask, just skip");
return null;
}
return targetActivity;
}
@Resource
public void setHumanTaskConnector(HumanTaskConnector humanTaskConnector) {
this.humanTaskConnector = humanTaskConnector;
}
}