/*
* Copyright 2004, 2005, 2006 Acegi Technology Pty Limited
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.security.acls.model;
import java.io.Serializable;
/**
* Represents an individual permission assignment within an {@link Acl}.
*
* <p>
* Instances MUST be immutable, as they are returned by <code>Acl</code> and should not
* allow client modification.
* </p>
*
* @author Ben Alex
*
*/
public interface AccessControlEntry extends Serializable {
// ~ Methods
// ========================================================================================================
Acl getAcl();
/**
* Obtains an identifier that represents this ACE.
*
* @return the identifier, or <code>null</code> if unsaved
*/
Serializable getId();
Permission getPermission();
Sid getSid();
/**
* Indicates the permission is being granted to the relevant Sid. If false,
* indicates the permission is being revoked/blocked.
*
* @return true if being granted, false otherwise
*/
boolean isGranting();
}