/***********************************************************************************************************************
* Copyright (C) 2010-2013 by the Stratosphere project (http://stratosphere.eu)
*
* 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.
**********************************************************************************************************************/
/**
* This file is based on source code from the Hadoop Project (http://hadoop.apache.org/), licensed by the Apache
* Software Foundation (ASF) under the Apache License, Version 2.0. See the NOTICE file distributed with this work for
* additional information regarding copyright ownership.
*/
package eu.stratosphere.core.fs;
import java.io.IOException;
import java.io.InputStream;
/**
* Interface for a data input stream to a file on a {@link FileSystem}.
*
*/
public abstract class FSDataInputStream extends InputStream {
/**
* Seek to the given offset from the start of the file. The next read() will be from that location.
* Can't seek past the end of the file.
*
* @param desired
* the desired offset
* @throws IOException
* thrown if an error occurred while seeking inside the input stream
*/
public abstract void seek(long desired) throws IOException;
}