/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.cocoon.caching;
import java.io.Serializable;
/**
* A CacheValidity object contains all information for one pipeline component
* to check if it is still valid.<br>
* For example, the FileGenerator stores only the timestamp for the read
* xml file in this container.
* Although this interface is deprecated it is still used for compatibility!
*
* @deprecated Use the Avalon Excalibur SourceValidity implementations instead
* @author <a href="mailto:cziegeler@apache.org">Carsten Ziegeler</a>
* @version CVS $Id$
*/
public interface CacheValidity extends Serializable {
/**
* Check if the component is still valid.
* This is only true, if the incoming CacheValidity is of the same
* type and has the same values.
*/
boolean isValid(CacheValidity validity);
/**
* Creates text represenation of the validity object.
* This is used to create fake 'lastModificationDate' for cocoon: sources.
* <p>Due to changes in source API, this method is no longer needed,
* starting with Cocoon 2.1.
*/
String toString();
}