sun.text
Class IntHashtable

java.lang.Object
  sun.text.IntHashtable

public final class IntHashtable
extends Object

Simple internal class for doing hash mapping. Much, much faster than the standard Hashtable for integer to integer mappings, and doesn't require object creation.
If a key is not found, the defaultValue is returned. Note: the keys are limited to values above Integer.MIN_VALUE+1.

Constructor Summary

IntHashtable()

IntHashtable(int initialSize)

Method Summary

Object	clone() clone creates a shallow clone of this.
boolean	equals(Object that) equals compares this object to another object.
int	get(int key)
int	getDefaultValue()
int	hashCode() hashCode returns a hash code for this object.
boolean	isEmpty()
void	put(int key, int value)
void	putInternal(int key, int value)
void	remove(int key)
void	setDefaultValue(int newValue)
int	size()

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

IntHashtable

public IntHashtable()

IntHashtable

public IntHashtable(int initialSize)

Method Detail

size

public int size()

isEmpty

public boolean isEmpty()

put

public void put(int key,
                int value)

get

public int get(int key)

remove

public void remove(int key)

getDefaultValue

public int getDefaultValue()

setDefaultValue

public void setDefaultValue(int newValue)

equals

public boolean equals(Object that)

Description copied from class: Object

equals compares this object to another object.

Equals must be symmetric (a.equals(b) == b.equals(a)), reflexive (a.equals(a)==true) and transitive (a.equals(b) && b.equals(c) IMPLIES (a.equals(c))) and not change over time (a.equals(b) == a.equals(b)). a.equals(null) should always return false.

If a.equals(b) is true for two objects a and b, then a.hashCode()==b.hashCode() must hold.

The default implementation of equals returns this==other.

Overrides:

equals in class Object

Parameters:

that - the other object.

Returns:

if this and other are considered equal.

hashCode

public int hashCode()

Description copied from class: Object

hashCode returns a hash code for this object. The hash code must be equal for two objects a and b if a.equals(b) is true.

The default implementation returns System.identityHashCode(this).

Overrides:

hashCode in class Object

Returns:

a hash code value.

clone

public Object clone()
             throws CloneNotSupportedException

Description copied from class: Object

clone creates a shallow clone of this.

Overrides:

clone in class Object

Returns:

a clone of this object.

Throws:

CloneNotSupportedException - if this does not implement the Cloneable interface.

putInternal

public void putInternal(int key,
                        int value)