org.jikesrvm.util

Class ImmutableEntryIdentityHashMapRVM<K,V>

java.lang.Object

org.jikesrvm.util.AbstractHashMapRVM<K,V>

org.jikesrvm.util.ImmutableEntryIdentityHashMapRVM<K,V>

public final class ImmutableEntryIdentityHashMapRVM<K,V>
extends AbstractHashMapRVM<K,V>

A hash map with entirely immutable buckets. It doesn't correctly support remove, and its values cannot be mutated by a put with the same key.

Nested Class Summary

Nested classes/interfaces inherited from class org.jikesrvm.util.AbstractHashMapRVM

AbstractHashMapRVM.AbstractBucket<K,V>

Field Summary

Fields inherited from class org.jikesrvm.util.AbstractHashMapRVM

buckets, DEFAULT_SIZE, numElems

Constructor Summary

Constructors

Constructor and Description
ImmutableEntryIdentityHashMapRVM()
ImmutableEntryIdentityHashMapRVM(int size)

Method Summary

Modifier and Type	Method and Description
(package private) AbstractHashMapRVM.AbstractBucket<K,V>	createNewBucket(K key, V value, AbstractHashMapRVM.AbstractBucket<K,V> next)
protected int	hashTheKey(K key)
V	remove(K key)
void	removeAll()
protected boolean	same(K k1, K k2)

Methods inherited from class org.jikesrvm.util.AbstractHashMapRVM

get, keyIterator, keys, put, size, valueIterator, values

Methods inherited from class java.lang.Object

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

Constructor Detail

ImmutableEntryIdentityHashMapRVM

public ImmutableEntryIdentityHashMapRVM()

ImmutableEntryIdentityHashMapRVM

public ImmutableEntryIdentityHashMapRVM(int size)

Method Detail

createNewBucket

AbstractHashMapRVM.AbstractBucket<K,V> createNewBucket(K key,
                                                       V value,
                                                       AbstractHashMapRVM.AbstractBucket<K,V> next)

Specified by:

createNewBucket in class AbstractHashMapRVM<K,V>

remove

public V remove(K key)

Overrides:

remove in class AbstractHashMapRVM<K,V>

removeAll

public void removeAll()

Overrides:

removeAll in class AbstractHashMapRVM<K,V>

same

protected boolean same(K k1,
                       K k2)

Specified by:

same in class AbstractHashMapRVM<K,V>

hashTheKey

protected int hashTheKey(K key)

Specified by:

hashTheKey in class AbstractHashMapRVM<K,V>