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 com.google.common.base.Objects;
  
  /**
   * An edge in the inode tree. Edges point from parent inode ids to child inode names.
   */
  public final class Edge {
    private final long mId;
    private final String mName;
  
    /**
     * @param id parent inode id
     * @param name child name
     */
    public Edge(long id, String name) {
      mId = id;
      mName = name;
    }
  
    /**
     * @return the parent inode id
     */
    public long getId() {
      return mId;
    }
  
    /**
     * @return the child name
     */
    public String getName() {
      return mName;
    }
  
    @Override
    public boolean equals(Object o) {
      if (this == o) {
        return true;
      }
      if (!(o instanceof Edge)) {
        return false;
      }
      Edge that = (Edge) o;
      return Objects.equal(mId, that.mId)
          && Objects.equal(mName, that.mName);
    }
  
    @Override
    public int hashCode() {
      return Objects.hashCode(mId, mName);
    }
  
    @Override
    public String toString() {
      return mId + "->" + mName;
    }
  }
  