net.walend.lyophil.collection
Class FreezableIdentitor

java.lang.Object
  |
  +--net.walend.lyophil.collection.FreezableIdentitor

All Implemented Interfaces:

Identitor, Immutable

public final class FreezableIdentitor

extends java.lang.Object

implements Identitor, Immutable

An Identitor for Freezables.

Since:

20010712

Author:

David Walend

Constructor Summary

FreezableIdentitor()

Method Summary

boolean	equals(java.lang.Object ob1, java.lang.Object ob2) If two Freezables have equal identifiers, this method returns true.
int	hashCode(java.lang.Object ob1) If the Object is null, returns 0.
boolean	valueEquals(java.lang.Object ob1, java.lang.Object ob2) If two Freezables have equal identifiers, this method returns true.

Methods inherited from class java.lang.Object

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

Constructor Detail

FreezableIdentitor

public FreezableIdentitor()

Method Detail

equals

public boolean equals(java.lang.Object ob1,
                      java.lang.Object ob2)

If two Freezables have equal identifiers, this method returns true. If both are null, this method returns true.

Specified by:

equals in interface Identitor

Throws:

a - ClassCastException if either Object is not a Freezable.

hashCode

public int hashCode(java.lang.Object ob1)

If the Object is null, returns 0. If the Object is a Freezable, returns the identifier's hashCode.

Specified by:

hashCode in interface Identitor

Throws:

java.lang.ClassCastException - if ob1 is not a Freezable.

valueEquals

public boolean valueEquals(java.lang.Object ob1,
                           java.lang.Object ob2)

If two Freezables have equal identifiers, this method returns true. If both are null, this method returns true.

Specified by:

valueEquals in interface Identitor

Throws:

a - ClassCastException if either Object is not a Freezable.