com.caucho.util

Class IdentityIntMap

java.lang.Object

com.caucho.util.IdentityIntMap

public class IdentityIntMap
extends java.lang.Object

The IntMap provides a simple hashmap from keys to integers. The API is an abbreviation of the HashMap collection API.

The convenience of IntMap is avoiding all the silly wrapping of integers.

Field Summary

Fields

Modifier and Type	Field and Description
static int	NULL Encoding of a null entry.

Constructor Summary

Constructors

Constructor and Description
IdentityIntMap() Create a new IntMap.

Method Summary

Modifier and Type	Method and Description
void	clear() Clear the hashmap.
int	get(java.lang.Object key) Puts a new value in the property table with the appropriate flags
java.util.Iterator	iterator() Returns an iterator of the keys.
int	put(java.lang.Object key, int value) Puts a new value in the property table with the appropriate flags
int	remove(java.lang.Object key) Deletes the entry.
int	size() Returns the current number of entries in the map.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

NULL

public static final int NULL

Encoding of a null entry. Since NULL is equal to Integer.MIN_VALUE, it's impossible to distinguish between the two.

See Also:

Constant Field Values

Constructor Detail

IdentityIntMap

public IdentityIntMap()

Create a new IntMap. Default size is 16.

Method Detail

clear

public void clear()

Clear the hashmap.

size

public int size()

Returns the current number of entries in the map.

get

public int get(java.lang.Object key)

Puts a new value in the property table with the appropriate flags

put

public int put(java.lang.Object key,
               int value)

Puts a new value in the property table with the appropriate flags

remove

public int remove(java.lang.Object key)

Deletes the entry. Returns true if successful.

iterator

public java.util.Iterator iterator()

Returns an iterator of the keys.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object