content: /*
   * 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.master.file.meta;
  
  import alluxio.collections.Pair;
  
  import javax.annotation.concurrent.ThreadSafe;
  
  /**
   * This class represents a pair of {@link LockedInodePath}s. This is threadsafe, since the
   * elements cannot set once the pair is constructed.
   */
  @ThreadSafe
  public final class InodePathPair extends Pair<LockedInodePath, LockedInodePath>
      implements AutoCloseable {
  
    InodePathPair(LockedInodePath inodePath1, LockedInodePath inodePath2) {
      super(inodePath1, inodePath2);
    }
  
    @Override
    public void setFirst(LockedInodePath first) {
      throw new UnsupportedOperationException();
    }
  
    @Override
    public void setSecond(LockedInodePath second) {
      throw new UnsupportedOperationException();
    }
  
    @Override
    public synchronized void close() {
      getFirst().close();
      getSecond().close();
    }
  }
  