content: /*
   * $Id: CPtr.java,v 1.4 2006/12/22 14:06:40 thiago Exp $
   * Copyright (C) 2003-2007 Kepler Project.
   *
   * Permission is hereby granted, free of charge, to any person obtaining
   * a copy of this software and associated documentation files (the
   * "Software"), to deal in the Software without restriction, including
   * without limitation the rights to use, copy, modify, merge, publish,
   * distribute, sublicense, and/or sell copies of the Software, and to
   * permit persons to whom the Software is furnished to do so, subject to
   * the following conditions:
   *
   * The above copyright notice and this permission notice shall be
   * included in all copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
   * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
   * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
   * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
   * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
   * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
   * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
   */
  
  package org.keplerproject.luajava;
  
  /**
   * An abstraction for a C pointer data type.  A CPtr instance represents, on
   * the Java side, a C pointer.  The C pointer could be any <em>type</em> of C
   * pointer.
   */
  public class CPtr {
  
      /**
       * Compares this <code>CPtr</code> to the specified object.
       *
       * @param other a <code>CPtr</code>
       * @return true if the class of this <code>CPtr</code> object and the
       * class of <code>other</code> are exactly equal, and the C
       * pointers being pointed to by these objects are also
       * equal. Returns false otherwise.
       */
      public boolean equals(Object other) {
          if (other == null)
              return false;
          if (other == this)
              return true;
          if (CPtr.class != other.getClass())
              return false;
          return peer == ((CPtr) other).peer;
      }
  
  
      /* Pointer value of the real C pointer. Use long to be 64-bit safe. */
      private long peer;
  
      /**
       * Gets the value of the C pointer abstraction
       *
       * @return long
       */
      protected long getPeer() {
          return peer;
      }
  
      /* No-args constructor. */
      CPtr() {
      }
  
  }
  