org.jrdf.graph.local.mem
Class AbstractUnorderedContainer

java.lang.Object
  org.jrdf.graph.local.mem.AbstractUnorderedContainer

All Implemented Interfaces:

Iterable<ObjectNode>, Collection<ObjectNode>, Container

Direct Known Subclasses:

AlternativeImpl, BagImpl

public abstract class AbstractUnorderedContainer
extends Object
implements Container

The base class for the implementation of Bag and Alternative.

Version:

$Revision$

Author:

Andrew Newman

Field Summary

protected Map<Long,ObjectNode>	elements The hashmap containing the elements.
protected long	key Counter used to generate keys to add to the hashmap.

Constructor Summary

AbstractUnorderedContainer()

Method Summary

boolean	add(ObjectNode o)
boolean	addAll(Collection<? extends ObjectNode> c)
void	clear()
boolean	contains(Object o)
boolean	containsAll(Collection<?> c)
int	hashCode()
boolean	isEmpty()
Iterator<ObjectNode>	iterator()
boolean	remove(Object o)
boolean	removeAll(Collection<?> c)
boolean	retainAll(Collection<?> c)
int	size()
Object[]	toArray()
<T> T[]	toArray(T[] a)

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Collection

equals

Field Detail

elements

protected final Map<Long,ObjectNode> elements

The hashmap containing the elements.

key

protected long key

Counter used to generate keys to add to the hashmap.

Constructor Detail

AbstractUnorderedContainer

public AbstractUnorderedContainer()

Method Detail

add

public boolean add(ObjectNode o)

Specified by:

add in interface Collection<ObjectNode>

remove

public boolean remove(Object o)

Specified by:

remove in interface Collection<ObjectNode>

contains

public boolean contains(Object o)

Specified by:

contains in interface Collection<ObjectNode>

containsAll

public boolean containsAll(Collection<?> c)

Specified by:

containsAll in interface Collection<ObjectNode>

addAll

public boolean addAll(Collection<? extends ObjectNode> c)
               throws IllegalArgumentException

Specified by:

addAll in interface Collection<ObjectNode>

Throws:

IllegalArgumentException

removeAll

public boolean removeAll(Collection<?> c)

Specified by:

removeAll in interface Collection<ObjectNode>

retainAll

public boolean retainAll(Collection<?> c)

Specified by:

retainAll in interface Collection<ObjectNode>

iterator

public Iterator<ObjectNode> iterator()

Specified by:

iterator in interface Iterable<ObjectNode>

Specified by:

iterator in interface Collection<ObjectNode>

toArray

public Object[] toArray()

Specified by:

toArray in interface Collection<ObjectNode>

toArray

public <T> T[] toArray(T[] a)

Specified by:

toArray in interface Collection<ObjectNode>

size

public int size()

Specified by:

size in interface Collection<ObjectNode>

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Collection<ObjectNode>

clear

public void clear()

Specified by:

clear in interface Collection<ObjectNode>

hashCode

public int hashCode()

Specified by:

hashCode in interface Collection<ObjectNode>

Overrides:

hashCode in class Object