Known Indirect Subclasses
Acl |
The Access Control List (ACL) interface definition. |
|
Class Overview
The interface to manage owners of objects that require ownership.
Public Methods
public
abstract
boolean
addOwner
(Principal caller, Principal owner)
Adds a principal to the list of owners.
Parameters
caller
| the invoking principal. |
owner
| the owner to added. |
Returns
true
if the owner was added, false
if it was already an owner.
public
abstract
boolean
deleteOwner
(Principal caller, Principal owner)
Removes a principal from the list of owners.
Parameters
caller
| the invoking principal. |
owner
| the owner to be removed. |
Returns
true
if the owner was removed, false
if it was not an owner.
Throws
NotOwnerException
| if the invoking principal is not an owner. |
LastOwnerException
| if the owner to be removed is the last owner and hence removing it
would make this object owner-less.
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public
abstract
boolean
isOwner
(Principal owner)
Checks whether the specified principal is an owner of this object.
Parameters
owner
| the principal to check. |
Returns
true
if the specified principal is an owner, otherwise false
.