gnu.trove

Interface TObjectHashingStrategy

All Superinterfaces:

java.io.Serializable

All Known Implementing Classes:

THashMap, THashSet, TObjectDoubleHashMap, TObjectFloatHashMap, TObjectHash, TObjectIdentityHashingStrategy, TObjectIntHashMap, TObjectLongHashMap

public interface TObjectHashingStrategy
extends java.io.Serializable

Interface to support pluggable hashing strategies in maps and sets. Implementors can use this interface to make the trove hashing algorithms use object values, values provided by the java runtime, or a custom strategy when computing hashcodes. Created: Sat Aug 17 10:52:32 2002

Version:

$Id: TObjectHashingStrategy.java,v 1.1 2002/08/18 16:43:15 ericdf Exp $

Author:

Eric Friedman

Method Summary

Methods

Modifier and Type	Method and Description
int	computeHashCode(java.lang.Object o) Computes a hash code for the specified object.
boolean	equals(java.lang.Object o1, java.lang.Object o2) Compares o1 and o2 for equality.

Method Detail

computeHashCode

int computeHashCode(java.lang.Object o)

Computes a hash code for the specified object. Implementors can use the object's own hashCode method, the Java runtime's identityHashCode, or a custom scheme.

Parameters:

object - for which the hashcode is to be computed

Returns:

the hashCode

equals

boolean equals(java.lang.Object o1,
             java.lang.Object o2)

Compares o1 and o2 for equality. Strategy implementors may use the objects' own equals() methods, compare object references, or implement some custom scheme.

Parameters:

o1 - an Object value

o2 - an Object value

Returns:

true if the objects are equal according to this strategy.