content: /*
   * Copyright (c) 2008, 2009, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
   * particular file as subject to the "Classpath" exception as provided
   * by Oracle in the LICENSE file that accompanied this code.
   *
   * This code is distributed in the hope that it will be useful, but WITHOUT
   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
   * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
   * version 2 for more details (a copy is included in the LICENSE file that
   * accompanied this code).
   *
   * You should have received a copy of the GNU General Public License version
   * 2 along with this work; if not, write to the Free Software Foundation,
   * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
   *
   * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
   * or visit www.oracle.com if you need additional information or have any
   * questions.
   */
  
  package com.termux.shared.file.filesystem;
  
  /**
   * Container for device/inode to uniquely identify file.
   * https://cs.android.com/android/platform/superproject/+/android-11.0.0_r3:libcore/ojluni/src/main/java/sun/nio/fs/UnixFileKey.java
   */
  
  public class FileKey {
      private final long st_dev;
      private final long st_ino;
  
      FileKey(long st_dev, long st_ino) {
          this.st_dev = st_dev;
          this.st_ino = st_ino;
      }
  
      @Override
      public int hashCode() {
          return (int)(st_dev ^ (st_dev >>> 32)) +
              (int)(st_ino ^ (st_ino >>> 32));
      }
  
      @Override
      public boolean equals(Object obj) {
          if (obj == this)
              return true;
          if (!(obj instanceof FileKey))
              return false;
          FileKey other = (FileKey)obj;
          return (this.st_dev == other.st_dev) && (this.st_ino == other.st_ino);
      }
  
      @Override
      public String toString() {
          StringBuilder sb = new StringBuilder();
          sb.append("(dev=")
              .append(Long.toHexString(st_dev))
              .append(",ino=")
              .append(st_ino)
              .append(')');
          return sb.toString();
      }
  }
  