nz.ac.waikato.jdsl.core.ref
Class AbstractComparator

java.lang.Object
  nz.ac.waikato.jdsl.core.ref.AbstractComparator

Direct Known Subclasses:

ComparableComparator, ComparatorExtender, ComparatorReverser, IntegerComparator

public abstract class AbstractComparator
extends java.lang.Object

An abstract class implementing some methods of the Comparator interface.

Version:

JDSL 2.1.1

Author:

Luca Vismara (lv)

Constructor Summary

AbstractComparator()

Method Summary

abstract int	compare(java.lang.Object a, java.lang.Object b)
boolean	isEqualTo(java.lang.Object a, java.lang.Object b)
boolean	isGreaterThan(java.lang.Object a, java.lang.Object b)
boolean	isGreaterThanOrEqualTo(java.lang.Object a, java.lang.Object b)
boolean	isLessThan(java.lang.Object a, java.lang.Object b)
boolean	isLessThanOrEqualTo(java.lang.Object a, java.lang.Object b)

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractComparator

public AbstractComparator()

Method Detail

compare

public abstract int compare(java.lang.Object a,
                            java.lang.Object b)
                     throws java.lang.ClassCastException

Returns:

a negative value if a < b, zero if a == b, and a positive value if a > b

Throws:

java.lang.ClassCastException

isGreaterThan

public boolean isGreaterThan(java.lang.Object a,
                             java.lang.Object b)
                      throws java.lang.ClassCastException

Throws:

java.lang.ClassCastException

isLessThan

public boolean isLessThan(java.lang.Object a,
                          java.lang.Object b)
                   throws java.lang.ClassCastException

Throws:

java.lang.ClassCastException

isEqualTo

public boolean isEqualTo(java.lang.Object a,
                         java.lang.Object b)
                  throws java.lang.ClassCastException

Throws:

java.lang.ClassCastException

isGreaterThanOrEqualTo

public boolean isGreaterThanOrEqualTo(java.lang.Object a,
                                      java.lang.Object b)
                               throws java.lang.ClassCastException

Throws:

java.lang.ClassCastException

isLessThanOrEqualTo

public boolean isLessThanOrEqualTo(java.lang.Object a,
                                   java.lang.Object b)
                            throws java.lang.ClassCastException

Throws:

java.lang.ClassCastException