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      1 /*
      2  * ProGuard -- shrinking, optimization, obfuscation, and preverification
      3  *             of Java bytecode.
      4  *
      5  * Copyright (c) 2002-2014 Eric Lafortune (eric (at) graphics.cornell.edu)
      6  *
      7  * This program is free software; you can redistribute it and/or modify it
      8  * under the terms of the GNU General Public License as published by the Free
      9  * Software Foundation; either version 2 of the License, or (at your option)
     10  * any later version.
     11  *
     12  * This program is distributed in the hope that it will be useful, but WITHOUT
     13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
     14  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
     15  * more details.
     16  *
     17  * You should have received a copy of the GNU General Public License along
     18  * with this program; if not, write to the Free Software Foundation, Inc.,
     19  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
     20  */
     21 package proguard.evaluation.value;
     22 
     23 /**
     24  * This IntegerValue represents a integer value that is identified by a unique ID.
     25  *
     26  * @author Eric Lafortune
     27  */
     28 final class IdentifiedIntegerValue extends SpecificIntegerValue
     29 {
     30     private final ValueFactory valuefactory;
     31     private final int          id;
     32 
     33 
     34     /**
     35      * Creates a new integer value with the given ID.
     36      */
     37     public IdentifiedIntegerValue(ValueFactory valuefactory, int id)
     38     {
     39         this.valuefactory = valuefactory;
     40         this.id           = id;
     41     }
     42 
     43 
     44     // Implementations for Object.
     45 
     46     public boolean equals(Object object)
     47     {
     48         return this == object ||
     49                super.equals(object) &&
     50                this.valuefactory.equals(((IdentifiedIntegerValue)object).valuefactory) &&
     51                this.id == ((IdentifiedIntegerValue)object).id;
     52     }
     53 
     54 
     55     public int hashCode()
     56     {
     57         return super.hashCode() ^
     58                valuefactory.hashCode() ^
     59                id;
     60     }
     61 
     62 
     63     public String toString()
     64     {
     65         return "i"+id;
     66     }
     67 }