/*
* Copyright 2002-2016 the original author or authors.
*
* 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.access;
import java.util.Collection;
import org.springframework.aop.framework.AopInfrastructureBean;
import org.springframework.security.core.Authentication;
/**
* Allows permissions to be pre-cached when using pre or post filtering with expressions
*
* @author Luke Taylor
* @since 3.1
*/
public interface PermissionCacheOptimizer extends AopInfrastructureBean {
/**
* Optimises the permission cache for anticipated operation on the supplied collection
* of objects. Usually this will entail batch loading of permissions for the objects
* in the collection.
*
* @param a the user for whom permissions should be obtained.
* @param objects the (non-null) collection of domain objects for which permissions
* should be retrieved.
*/
void cachePermissionsFor(Authentication a, Collection<?> objects);
}