com.phoenixst.collections

Class AbstractSingletonCollection

java.lang.Object

com.phoenixst.collections.AbstractSingletonCollection

All Implemented Interfaces:

Iterable, Collection

Direct Known Subclasses:

SingletonEdgeCollection, SingletonNodeCollection

public abstract class AbstractSingletonCollection
extends Object
implements Collection

A modifiable, lazy singleton Collection view. This view may be empty at any given point in time.

Since:

1.0

Version:

$Revision: 1.11 $

Author:

Ray A. Conner

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractSingletonCollection(Object element) Creates a new AbstractSingletonCollection.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	add(Object object) Throws an UnsupportedOperationException.
boolean	addAll(Collection collection) Throws an UnsupportedOperationException.
void	clear()
boolean	contains(Object object)
boolean	containsAll(Collection collection)
protected Object	getElement()
abstract boolean	isEmpty()
Iterator	iterator()
boolean	remove(Object object)
boolean	removeAll(Collection collection)
protected abstract boolean	removeElement()
boolean	retainAll(Collection collection)
int	size()
Object[]	toArray()
Object[]	toArray(Object[] array)
String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Collection

equals, hashCode

Constructor Detail

AbstractSingletonCollection

protected AbstractSingletonCollection(Object element)

Creates a new AbstractSingletonCollection.

Method Detail

getElement

protected final Object getElement()

removeElement

protected abstract boolean removeElement()

isEmpty

public abstract boolean isEmpty()

Specified by:

isEmpty in interface Collection

size

public int size()

Specified by:

size in interface Collection

add

public boolean add(Object object)

Throws an UnsupportedOperationException.

Specified by:

add in interface Collection

remove

public boolean remove(Object object)

Specified by:

remove in interface Collection

contains

public boolean contains(Object object)

Specified by:

contains in interface Collection

iterator

public Iterator iterator()

Specified by:

iterator in interface Iterable

Specified by:

iterator in interface Collection

containsAll

public boolean containsAll(Collection collection)

Specified by:

containsAll in interface Collection

addAll

public boolean addAll(Collection collection)

Throws an UnsupportedOperationException.

Specified by:

addAll in interface Collection

removeAll

public boolean removeAll(Collection collection)

Specified by:

removeAll in interface Collection

retainAll

public boolean retainAll(Collection collection)

Specified by:

retainAll in interface Collection

clear

public void clear()

Specified by:

clear in interface Collection

toArray

public Object[] toArray()

Specified by:

toArray in interface Collection

toArray

public Object[] toArray(Object[] array)

Specified by:

toArray in interface Collection

toString

public String toString()

Overrides:

toString in class Object