ptolemy.actor.util
Class GeneralComparator

java.lang.Object
  ptolemy.actor.util.GeneralComparator

All Implemented Interfaces:

java.util.Comparator

public class GeneralComparator
extends java.lang.Object
implements java.util.Comparator

This class compares two comparable objects, object_1 and object_2, by calling compare(object_1, object_2). A comparable object implements the Comparable interface. This method returns -1, 0, or 1 if object_1 is less than, equal to, or bigger than object_2.

Since:

Ptolemy II 5.2

Version:

$Id: GeneralComparator.java 57040 2010-01-27 20:52:32Z cxh $

Author:

Haiyang Zheng

Accepted Rating:

Green (hyzheng)

Proposed Rating:

Green (hyzheng)

Constructor Summary

GeneralComparator()

Method Summary

int	compare(java.lang.Object first, java.lang.Object second) Return -1, 0, or 1 if the first object is less than, equal to, or bigger than the second object.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.util.Comparator

equals

Constructor Detail

GeneralComparator

public GeneralComparator()

Method Detail

compare

public int compare(java.lang.Object first,
                   java.lang.Object second)

Return -1, 0, or 1 if the first object is less than, equal to, or bigger than the second object.

If any of the argument is not a object of Comparable class, a ClassCastException will be thrown.

Specified by:

compare in interface java.util.Comparator

Parameters:

first - The first comparable object.

second - The second comparable object.

Returns:

The comparison result, -1, 0, or 1.