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CephFS Under File System implementation

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/*
 * The Alluxio Open Foundation licenses this work under the Apache License, version 2.0
 * (the "License"). You may not use this work except in compliance with the License, which is
 * available at www.apache.org/licenses/LICENSE-2.0
 *
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
 * either express or implied, as more fully set forth in the License.
 *
 * See the NOTICE file distributed with this work for information regarding copyright ownership.
 */

package alluxio.underfs.cephfs;

import alluxio.underfs.SeekableUnderFileInputStream;

import java.io.IOException;

/**
 * The input stream of CEPHFS as under filesystem. This input stream supports seeking and can be
 * cached for reuse.
 */
public class CephSeekableInputStream extends SeekableUnderFileInputStream {

  CephSeekableInputStream(CephInputStream in) {
    super(in);
  }

  @Override
  public void seek(long position) throws IOException {
    ((CephInputStream) in).seek(position);
  }

  @Override
  public long getPos() throws IOException {
    return ((CephInputStream) in).getPos();
  }
}