bak.pcj.hash
Class DefaultLongHashFunction

java.lang.Object
  bak.pcj.hash.DefaultLongHashFunction

All Implemented Interfaces:

LongHashFunction, Serializable

public class DefaultLongHashFunction

extends Object

implements LongHashFunction, Serializable

This class provides a default hash function for long values. It has been derived from the Java library and is known to work well in the general case.

Since:

1.0

See Also:

Long.hashCode()

Field Summary

static LongHashFunction

INSTANCE Default instance of this hash function.

Constructor Summary

protected

DefaultLongHashFunction() Default constructor to be invoked by sub-classes.

Method Summary

int	hash(long v) Returns a hash code for a specified long value.

Methods inherited from class java.lang.Object

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

Field Detail

INSTANCE

public static final LongHashFunction INSTANCE

Default instance of this hash function.

Constructor Detail

DefaultLongHashFunction

protected DefaultLongHashFunction()

Default constructor to be invoked by sub-classes.

Method Detail

hash

public int hash(long v)

Description copied from interface: LongHashFunction

Returns a hash code for a specified long value.

Specified by:

hash in interface LongHashFunction

Parameters:

v - the value for which to return a hash code.

Returns:

a hash code for the specified value.