/*
* Licensed to DuraSpace under one or more contributor license agreements.
* See the NOTICE file distributed with this work for additional information
* regarding copyright ownership.
*
* DuraSpace 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.fcrepo.kernel.api.utils;
import java.io.InputStream;
import java.util.Collection;
/**
* A CacheEntry abstraction for the various possible types of entries
* @author fasseg
*
*/
public interface CacheEntry {
/**
* Check the fixity of a {@link CacheEntry}
* @param algorithm the given algorithm
* @return a {@link FixityResult} containing the relevant data
*/
Collection<FixityResult> checkFixity(final String algorithm);
/**
* Get a raw input stream from the underlying store
* @return the content for this entry
*/
abstract InputStream getInputStream();
/**
* Generate a human-readable identifier for the location of this entry
*
* @return human-readable identifier for the location of this entry
*/
abstract String getExternalIdentifier();
}