org.apache.jackrabbit.core.data.DataRecord Maven / Gradle / Ivy
/*
* 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.jackrabbit.core.data;
import java.io.InputStream;
/**
* Immutable data record that consists of a binary stream.
*/
public interface DataRecord {
/**
* Returns the identifier of this record.
*
* @return data identifier
*/
DataIdentifier getIdentifier();
/**
* Returns a secure reference to this binary, or {@code null} if no such
* reference is available.
*
* @return binary reference, or {@code null}
*/
String getReference();
/**
* Returns the length of the binary stream in this record.
*
* @return length of the binary stream
* @throws DataStoreException if the record could not be accessed
*/
long getLength() throws DataStoreException;
/**
* Returns the the binary stream in this record.
*
* @return binary stream
* @throws DataStoreException if the record could not be accessed
*/
InputStream getStream() throws DataStoreException;
/**
* Returns the last modified of the record.
*
* @return last modified time of the binary stream
*/
long getLastModified();
}