net.ontopia.utils
Class CompactIdentityHashSet<E>

java.lang.Object
  java.util.AbstractCollection<E>
      java.util.AbstractSet<E>
          net.ontopia.utils.CompactHashSet<E>
              net.ontopia.utils.CompactIdentityHashSet<E>

All Implemented Interfaces:

Iterable<E>, Collection<E>, Set<E>

public class CompactIdentityHashSet<E>
extends CompactHashSet<E>

INTERNAL: This class is a specialization of the CompactHashSet class, and uses the == operator to compare objects.

Field Summary

Fields inherited from class net.ontopia.utils.CompactHashSet

deletedObject, elements, freecells, INITIAL_SIZE, LOAD_FACTOR, modCount, nullObject, objects

Constructor Summary

CompactIdentityHashSet()

CompactIdentityHashSet(Collection<E> coll)

CompactIdentityHashSet(int size)

Method Summary

boolean	add(Object o) Adds the specified element to this set if it is not already present.
boolean	contains(Object o) Returns true if this set contains the specified element.
protected void	rehash(int newCapacity) INTERNAL: Rehashes the hashset to a bigger size.
boolean	remove(Object o) Removes the specified element from the set.

Methods inherited from class net.ontopia.utils.CompactHashSet

clear, dump, isEmpty, iterator, rehash, size, toArray, toArray

Methods inherited from class java.util.AbstractSet

equals, hashCode, removeAll

Methods inherited from class java.util.AbstractCollection

addAll, containsAll, retainAll, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Set

addAll, containsAll, retainAll

Constructor Detail

CompactIdentityHashSet

public CompactIdentityHashSet()

CompactIdentityHashSet

public CompactIdentityHashSet(int size)

CompactIdentityHashSet

public CompactIdentityHashSet(Collection<E> coll)

Method Detail

contains

public boolean contains(Object o)

Returns true if this set contains the specified element.

Specified by:

contains in interface Collection<E>

Specified by:

contains in interface Set<E>

Overrides:

contains in class CompactHashSet<E>

Parameters:

o - element whose presence in this set is to be tested.

Returns:

true if this set contains the specified element.

add

public boolean add(Object o)

Adds the specified element to this set if it is not already present.

Specified by:

add in interface Collection<E>

Specified by:

add in interface Set<E>

Overrides:

add in class CompactHashSet<E>

Parameters:

o - element to be added to this set.

Returns:

true if the set did not already contain the specified element.

remove

public boolean remove(Object o)

Removes the specified element from the set.

Specified by:

remove in interface Collection<E>

Specified by:

remove in interface Set<E>

Overrides:

remove in class CompactHashSet<E>

rehash

protected void rehash(int newCapacity)

INTERNAL: Rehashes the hashset to a bigger size.

Overrides:

rehash in class CompactHashSet<E>