IntHashMap

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ognl
Class IntHashMap

java.lang.Object
  ognl.IntHashMap

All Implemented Interfaces:: java.util.Map

public class IntHashMap
extends java.lang.Object
implements java.util.Map

A Map that uses ints as the keys.

Use just like any java.util.Map, except that the keys must be ints. This is much faster than creating a new Integer for each access.

For non-Map access (faster) use the put(int, Object) method.

This class implements Map for convenience, but this is not the most efficient usage.

Nested Class Summary

static class IntHashMap.Entry


private static class IntHashMap.IntHashMapIterator


Field Summary

private int count


private float loadFactor


private IntHashMap.Entry[] table


private int threshold


Constructor Summary

IntHashMap()


IntHashMap(int initialCapacity)


IntHashMap(int initialCapacity, float loadFactor)


Method Summary

void clear()
          Remove all entries from this Map (optional operation).

boolean containsKey(int key)


boolean containsKey(java.lang.Object key)
          Returns true if this contains a mapping for the given key.

boolean containsValue(java.lang.Object value)
          Returns true if this contains at least one mapping with the given value.

java.util.Set entrySet()
          Returns a set view of the mappings in this Map.

java.lang.Object get(int key)


java.lang.Object get(java.lang.Object key)
          Returns the value mapped by the given key.

boolean isEmpty()
          Returns true if the map contains no mappings.

java.util.Set keySet()
          Returns a set view of the keys in this Map.

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


java.lang.Object put(java.lang.Object key, java.lang.Object value)
          Associates the given key to the given value (optional operation).

void putAll(java.util.Map otherMap)
          Copies all entries of the given map to this one (optional operation).

protected void rehash()


java.lang.Object remove(int key)


java.lang.Object remove(java.lang.Object key)
          Removes the mapping for this key if present (optional operation).

int size()
          Returns the number of key-value mappings in the map.

java.util.Collection values()
          Returns a collection (or bag) view of the values in this Map.

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Map

equals, hashCode

Field Detail

table

private IntHashMap.Entry[] table

count

private int count

threshold

private int threshold

loadFactor

private float loadFactor

Constructor Detail

IntHashMap

public IntHashMap(int initialCapacity,
                  float loadFactor)

IntHashMap

public IntHashMap(int initialCapacity)

IntHashMap

public IntHashMap()

Method Detail

rehash

protected void rehash()

containsKey

public final boolean containsKey(int key)

get

public final java.lang.Object get(int key)

put

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