import quincy 17.2.0

[ceph.git] / ceph / src / arrow / java / vector / src / main / java / org / apache / arrow / vector / ipc / SeekableReadChannel.java

/*
 * 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.arrow.vector.ipc;

import java.io.IOException;
import java.nio.channels.SeekableByteChannel;

/**
 * An {@link ReadChannel} that supports seeking to a
 * random position.
 */
public class SeekableReadChannel extends ReadChannel {

  private final SeekableByteChannel in;

  public SeekableReadChannel(SeekableByteChannel in) {
    super(in);
    this.in = in;
  }

  public void setPosition(long position) throws IOException {
    in.position(position);
  }

  public long size() throws IOException {
    return in.size();
  }
}