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org.integralsource.monsoon
Class Ascending  view Ascending download Ascending.java

java.lang.Object
  extended byorg.integralsource.monsoon.Ascending
All Implemented Interfaces:
java.util.Comparator

class Ascending
extends java.lang.Object
implements java.util.Comparator

Ascending Comparator


Constructor Summary
(package private) Ascending()
           
 
Method Summary
 int compare(java.lang.Object obj1, java.lang.Object obj2)
          Return an integer that is negative, zero or positive depending on whether the first argument is less than, equal to or greater than the second according to this ordering.
 boolean equals(java.lang.Object obj1)
          Return true if the object is equal to this object.
 
Methods inherited from class java.lang.Object
clone, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

Ascending

Ascending()
Method Detail

compare

public int compare(java.lang.Object obj1,
                   java.lang.Object obj2)
Description copied from interface: java.util.Comparator
Return an integer that is negative, zero or positive depending on whether the first argument is less than, equal to or greater than the second according to this ordering. This method should obey the following contract:
  • if compare(a, b) < 0 then compare(b, a) > 0
  • if compare(a, b) throws an exception, so does compare(b, a)
  • if compare(a, b) < 0 and compare(b, c) < 0 then compare(a, c) < 0
  • if compare(a, b) == 0 then compare(a, c) and compare(b, c) must have the same sign
To be consistent with equals, the following additional constraint is in place:
  • if a.equals(b) or both a and b are null, then compare(a, b) == 0.

Although it is permissible for a comparator to provide an order inconsistent with equals, that should be documented.

Specified by:
compare in interface java.util.Comparator

equals

public boolean equals(java.lang.Object obj1)
Description copied from interface: java.util.Comparator
Return true if the object is equal to this object. To be considered equal, the argument object must satisfy the constraints of Object.equals(), be a Comparator, and impose the same ordering as this Comparator. The default implementation inherited from Object is usually adequate.

Specified by:
equals in interface java.util.Comparator