001    /*
002    Galois, a framework to exploit amorphous data-parallelism in irregular
003    programs.
004    
005    Copyright (C) 2010, The University of Texas at Austin. All rights reserved.
006    UNIVERSITY EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES CONCERNING THIS SOFTWARE
007    AND DOCUMENTATION, INCLUDING ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR ANY
008    PARTICULAR PURPOSE, NON-INFRINGEMENT AND WARRANTIES OF PERFORMANCE, AND ANY
009    WARRANTY THAT MIGHT OTHERWISE ARISE FROM COURSE OF DEALING OR USAGE OF TRADE.
010    NO WARRANTY IS EITHER EXPRESS OR IMPLIED WITH RESPECT TO THE USE OF THE
011    SOFTWARE OR DOCUMENTATION. Under no circumstances shall University be liable
012    for incidental, special, indirect, direct or consequential damages or loss of
013    profits, interruption of business, or related expenses which may arise from use
014    of Software or Documentation, including but not limited to those resulting from
015    defects in Software and/or Documentation, or loss or inaccuracy of data of any
016    kind.
017    
018    File: MutableReference.java 
019    
020    */
021    
022    
023    
024    package util;
025    
026    /**
027     * Object wrapper around a reference
028     * 
029     *
030     * @param <T>
031     */
032    public class MutableReference<T> {
033      private T value;
034    
035      /**
036       * Creates a new null reference
037       */
038      public MutableReference() {
039        value = null;
040      }
041    
042      /**
043       * Creates a new reference with the given value
044       * 
045       * @param value  the value
046       */
047      public MutableReference(T value) {
048        this.value = value;
049      }
050    
051      public T get() {
052        return value;
053      }
054    
055      public void set(T value) {
056        this.value = value;
057      }
058    
059      @Override
060      public String toString() {
061        return String.valueOf(value);
062      }
063    }