/*
* Copyright 2001-2005 Internet2
*
* 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 gov.nih.nci.cagrid.opensaml;
/**
* Interface to a potentially persistent replay cache for uniquely-keyed objects
*
* @author Scott Cantor
* @created February 3, 2005
*/
public interface ReplayCache
{
/**
* Checks the replay cache for the existence of a key value and if not,
* inserts the new key with the specified expiration time.
*
* @param key The key value to search for and insert
* @param expires A time at which this key can be forgotten
* @return true iff the key does not exist or has expired
* @exception SAMLException Raised if an error occurs while checking the cache
*/
public boolean check(String key, java.util.Date expires) throws SAMLException;
}