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InStream.java
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InStream.java
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/*
* Licensed to the University of California, Berkeley 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 tachyon.client;
import java.io.IOException;
import java.io.InputStream;
public abstract class InStream extends InputStream {
/**
* Gets the remaining number of bytes left in the stream, starting at the current position.
*/
public abstract long remaining();
/**
* Moves the starting read position of the stream to the specified position which is relative to
* the start of the stream. Seeking to a position before the current read position is supported.
*
* @param pos The position to seek to, it must be between 0 and the size of the block - 1.
* @throws IOException if the seek fails due to an error accessing the stream at the position
*/
public abstract void seek(long pos) throws IOException;
}