/**
 * 保存用户信息 并且同步用户信息到activiti的identity.User，同时设置角色
 * @param user
 * @param roleIds
 */
public void saveUser(User user, List<Long> roleIds, boolean synToActiviti) {
	accountManager.saveEntity(user);
	String userId = user.getId().toString();

	if (synToActiviti) {
		List<org.activiti.engine.identity.User> activitiUsers = identityService.createUserQuery().userId(userId).list();
		if (activitiUsers.size() == 1) {
			//更新信息
			org.activiti.engine.identity.User activitiUser = activitiUsers.get(0);
			activitiUser.setFirstName(user.getName());
			activitiUser.setLastName("");
			activitiUser.setPassword(user.getPassword());
			activitiUser.setEmail(user.getEmail());
			identityService.saveUser(activitiUser);

			// 删除用户的membership
			List<Group> activitiGroups = identityService.createGroupQuery().groupMember(userId).list();
			for (Group group : activitiGroups) {
				identityService.deleteMembership(userId, group.getId());
			}

			// 添加membership
			for (Long roleId : roleIds) {
				Role role = roleManager.getEntity(roleId);
				identityService.createMembership(userId, role.getEnName());
			}

		} else {
			org.activiti.engine.identity.User newUser = identityService.newUser(userId);
			newUser.setFirstName(user.getName());
			newUser.setLastName("");
			newUser.setPassword(user.getPassword());
			newUser.setEmail(user.getEmail());
			identityService.saveUser(newUser);

			// 添加membership
			for (Long roleId : roleIds) {
				Role role = roleManager.getEntity(roleId);
				identityService.createMembership(userId, role.getEnName());
			}
		}
	}

}