com.caucho.util
Class IdentityIntMap

java.lang.Object
  extended by 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
static int NULL
          Encoding of a null entry.
 
Constructor Summary
IdentityIntMap()
          Create a new IntMap.
 
Method Summary
 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