com.beasys.commerce.foundation
Class SmartComparator

java.lang.Object
  |
  +--com.beasys.commerce.foundation.SmartComparator

public class SmartComparator

extends java.lang.Object

implements java.util.Comparator, java.io.Serializable

This is an implementation of the Comparator Interface that compares two objects. It is useful when building and searching maps and lists of Business Smart Components (BSC). As an example, all belongings, SmartKeys and SmartHandles are comparable. It uses the singleton pattern

See Also:

Serialized Form

Method Summary

int	compare(java.lang.Object o1, java.lang.Object o2) The compare method compares the following types:
static SmartComparator	getInstance()

Methods inherited from class java.lang.Object

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

Method Detail

compare

public int compare(java.lang.Object o1,
                   java.lang.Object o2)

The compare method compares the following types:

 String
 Comparable
 

If the objects neither String or Comparable, then it compares the String representation of the objects. Note: o1 and o2 must be have the same type.

Specified by:

compare in interface java.util.Comparator

Parameters:

o1 - object 1 to compare

o2 - object 2 to compare

Returns:

(o1 == o2) ? 0 : (o1 < 02) ? -1 : 1

Throws:

java.lang.RuntimeException - if the two objects do have the same type

getInstance

public static SmartComparator getInstance()