[Javaprofiler-commits] CVS: jpiimpl/net/sourceforge/javaprofiler/jpiimpl/data MutableInteger.java,NONE,1.1

[Lukas P. <pe...@us...>]

Update of /cvsroot/javaprofiler/jpiimpl/net/sourceforge/javaprofiler/jpiimpl/data
In directory usw-pr-cvs1:/tmp/cvs-serv17092/net/sourceforge/javaprofiler/jpiimpl/data

Added Files:
	MutableInteger.java 
Log Message:
class intended for speed-up purpose


--- NEW FILE: MutableInteger.java ---
/*
 *                         Sun Public License Notice
 *
 * The contents of this file are subject to the Sun Public License Version 
 * 1.0 (the "License"). You may not use this file except in compliance with 
 * the License. A copy of the License is available at http://www.sun.com/
 *
 * The Original Code is the Java Profiler module.
 * The Initial Developers of the Original Code are Jan Stola, Pavel Vacha,
 * Michal Pise, Petr Luner, Lukas Petru and Marek Przeczek.
 * Portions created by Jan Stola are Copyright (C) 2000-2001. All Rights Reserved.
 * Portions created by Pavel Vacha are Copyright (C) 2000-2001. All Rights Reserved.
 * Portions created by Michal Pise are Copyright (C) 2000-2001. All Rights Reserved.
 * Portions created by Petr Luner are Copyright (C) 2000-2001. All Rights Reserved.
 * Portions created by Lukas Petru are Copyright (C) 2000-2001. All Rights Reserved.
 * Portions created by Marek Przeczek are Copyright (C) 2000-2001. All Rights Reserved.
 *
 * Contributors: Jan Stola, Pavel Vacha, Michal Pise, Petr Luner,
 *               Lukas Petru and Marek Przeczek.
 */
  
package net.sourceforge.javaprofiler.jpiimpl.data;

/** This class contains single field whose type is int. Compared to 
 *  {@link java.lang.Integer java.lang.Integer}, this class allows changing of
 *  the value. When it has the same value as some Integer instance, this 
 *  class' equals() method implementation returns true.
 *
 *  @author Lukas Petru
 */
final class MutableInteger extends Number {
    private int _value;

    /** Constructs a newly allocated MutableInteger object initialized with
     *  value 0. */
    public MutableInteger () {
    }

    /** Constructs a newly allocated MutableInteger object that represents the
     *  specified int value. */
    public MutableInteger (int value) {
        _value=value;
    }

    /** Constructs a newly allocated MutableInteger object that represents the
     *  int value indicated by the String parameter. 
     *  @see java.lang.Integer#parseInt(java.lang.String) Integer.parseInt(java.lang.String)
     */
    public MutableInteger (String s)  {
        _value=Integer.parseInt(s);
    }

    /** Set new value. */
    public void set (int value) {
        _value=value;
    }

    /** @return a hash code value for this object, equal to the primitive int
     *  value represented by this Integer object.
     */
    public int hashCode() {
        return _value;
    }

    /** Compares this object to the specified object. The result is true if and
     *  only if the argument is not null and is an Integer object or 
     *  MutableIntegerthat object that contains the same int value as this
     *  object. 
     */
    public boolean equals(Object o) {
        if (o instanceof Integer || o instanceof MutableInteger)
            return _value == ((Number)o).intValue();
        else
            return false;    
    }

    public int intValue () {
        return _value;
    }

    public long longValue () {
        return _value;
    }

    public float floatValue () {
        return _value;
    }

    public double doubleValue () {
        return _value;
    }

    public String toString () {
        return Integer.toString(_value);
    }
}

/*
 * $Log: MutableInteger.java,v $
 * Revision 1.1  2002/03/05 22:13:29  petrul
 * class intended for speed-up purpose
 *
 */