/*  * Copyright (c) 2000 by Matt Welsh and The Regents of the University of  * California. All rights reserved. * * Permission to use, copy, modify, and distribute this software and its * documentation for any purpose, without fee, and without written agreement is * hereby granted, provided that the above copyright notice and the following * two paragraphs appear in all copies of this software. *  * IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT * OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF * CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *  * THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES, * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS * ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATION TO * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. * * Author: Matt Welsh <mdw@cs.berkeley.edu> *  */package ninja2.core.io_core.nbio;/** * This is a package-internal class used to represent a UNIX file descriptor. */class NBIOFileDescriptor {  int fd;  NBIOFileDescriptor() {    fd = -1;  }  NBIOFileDescriptor(int fd) {    this.fd = fd;  }  void setFD(int fd) {    this.fd = fd;  }  int getFD() {    return fd;  }  NBIOFileDescriptor getClone() {    return new NBIOFileDescriptor(this.fd);  }  public int hashCode() {    return fd;  }  public boolean equals(Object o) {    if (!(o instanceof NBIOFileDescriptor)) return false;    NBIOFileDescriptor thefd = (NBIOFileDescriptor)o;    if (thefd.fd == this.fd) return true;    else return false;  }}