1 /*
   2  * Copyright (c) 1998, 2004, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package com.sun.jdi;
  27 
  28 /**
  29  * Provides access to a primitive <code>double</code> value in
  30  * the target VM.
  31  *
  32  * @author Robert Field
  33  * @author Gordon Hirsch
  34  * @author James McIlree
  35  * @since  1.3
  36  */
  37 public interface DoubleValue extends PrimitiveValue, Comparable<DoubleValue>
  38 {
  39     /**
  40      * Returns this DoubleValue as a <code>double</code>.
  41      *
  42      * @return the <code>double</code> mirrored by this object.
  43      */
  44     double value();
  45 
  46     /**
  47      * Compares the specified Object with this DoubleValue for equality.
  48      *
  49      * @return true if the Object is a DoubleValue and if applying "=="
  50      * to the two mirrored primitives would evaluate to true; false
  51      * otherwise.
  52      */
  53     boolean equals(Object obj);
  54 
  55     /**
  56      * Returns the hash code value for this DoubleValue.
  57      *
  58      * @return the integer hash code
  59      */
  60     int hashCode();
  61 }