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## org.jbpm.task.service
Class DefaultUserGroupCallbackImpl

    java.lang.Object
      org.jbpm.task.service.DefaultUserGroupCallbackImpl

All Implemented Interfaces:
  UserGroupCallback

    public class DefaultUserGroupCallbackImpl

extends Object
implements UserGroupCallback

Constructor Summary
`DefaultUserGroupCallbackImpl()`

Method Summary
`boolean` | `existsGroup(String groupId)` Resolves existence of group id.
`boolean` | `existsUser(String userId)` Resolves existence of user id.
`List<String>` | `getGroupsForUser(String userId, List<String> groupIds, List<String> allExistingGroupIds)` Returns list of group ids for specified user id.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### DefaultUserGroupCallbackImpl

    public DefaultUserGroupCallbackImpl()

Method Detail

### existsUser

    public boolean existsUser(String userId)

  Description copied from interface: `UserGroupCallback`
  Resolves existence of user id.

  Specified by:
    `existsUser` in interface `UserGroupCallback`
  Parameters:
    `userId` - the user id assigned to the task
  Returns:
    true if userId exists, false otherwise.

### existsGroup

    public boolean existsGroup(String groupId)

  Description copied from interface: `UserGroupCallback`
  Resolves existence of group id.

  Specified by:
    `existsGroup` in interface `UserGroupCallback`
  Parameters:
    `groupId` - the group id assigned to the task
  Returns:
    true if groupId exists, false otherwise.

### getGroupsForUser

    public List<String> getGroupsForUser(String userId,
                                         List<String> groupIds,
                                         List<String> allExistingGroupIds)

  Description copied from interface: `UserGroupCallback`
  Returns list of group ids for specified user id.

  Specified by:
    `getGroupsForUser` in interface `UserGroupCallback`
  Parameters:
    `userId` - the user id assigned to the task
    `groupIds` - list of group ids assigned to the task
    `allExistingGroupIds` - list of all currently known group ids
  Returns:
    List of group ids.

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