Activiti获取任务候选人

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IdentityLink是任务候选人的对象。来自于taskService。

 /**     *      *@User   :Test     *@date   :2014-6-27 上午09:38:36     *@return :Set     *@userFor :获得任务中的办理候选人     */private Set getTaskCandidate(String taskId) {Set users = new HashSet();List identityLinkList = taskService.getIdentityLinksForTask(taskId);if (identityLinkList != null && identityLinkList.size() > 0) {for (Iterator iterator = identityLinkList.iterator(); iterator.hasNext();) {IdentityLink identityLink = (IdentityLink) iterator.next();if (identityLink.getUserId() != null) {User user = getUser(identityLink.getUserId());if (user != null)users.add(user);}if (identityLink.getGroupId() != null) {// 根据组获得对应人员List userList = identityService.createUserQuery().memberOfGroup(identityLink.getGroupId()).list();if (userList != null && userList.size() > 0)users.addAll(userList);}}}return users;}private User getUser(String userId) {User user = (User) identityService.createUserQuery().userId(userId).singleResult();return user;}

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