org.norther.tammi.acorn.util
Class UnmodifiableCollection

java.lang.Object
  org.norther.tammi.acorn.util.UnmodifiableCollection

All Implemented Interfaces:

Serializable, Cloneable, Iterable, Collection

Direct Known Subclasses:

CounterCollection, ModifiableCollection, UnmodifiableList, UnmodifiableSet

public class UnmodifiableCollection
extends Object
implements Collection, Cloneable, Serializable

An unmodifiable collection wrapper filtering out additions and removals.

Author:

Ilkka Priha

See Also:

Serialized Form

Constructor Summary

UnmodifiableCollection()
Constructs an empty collection.

UnmodifiableCollection(Collection c)
Constructs a new collection.

Method Summary

boolean	add(Object o)
boolean	addAll(Collection c)
void	clear()
Object	clone()
boolean	contains(Object o)
boolean	containsAll(Collection c)
boolean	equals(Object o)
protected Collection	getCollection() Gets the collection adaptee.
int	hashCode()
boolean	isEmpty()
Iterator	iterator()
boolean	remove(Object o)
boolean	removeAll(Collection c)
boolean	retainAll(Collection c)
protected void	setCollection(Collection c) Sets the collection adaptee.
int	size()
Object[]	toArray()
Object[]	toArray(Object[] a)
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

UnmodifiableCollection

public UnmodifiableCollection()

Constructs an empty collection.

UnmodifiableCollection

public UnmodifiableCollection(Collection c)

Constructs a new collection.

Parameters:

c - a collection to wrap.

Method Detail

equals

public boolean equals(Object o)

Specified by:

equals in interface Collection

Overrides:

equals in class Object

hashCode

public int hashCode()

Specified by:

hashCode in interface Collection

Overrides:

hashCode in class Object

clone

public Object clone()

Overrides:

clone in class Object

add

public boolean add(Object o)

Specified by:

add in interface Collection

addAll

public boolean addAll(Collection c)

Specified by:

addAll in interface Collection

clear

public void clear()

Specified by:

clear in interface Collection

contains

public boolean contains(Object o)

Specified by:

contains in interface Collection

containsAll

public boolean containsAll(Collection c)

Specified by:

containsAll in interface Collection

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Collection

iterator

public Iterator iterator()

Specified by:

iterator in interface Iterable

Specified by:

iterator in interface Collection

remove

public boolean remove(Object o)

Specified by:

remove in interface Collection

removeAll

public boolean removeAll(Collection c)

Specified by:

removeAll in interface Collection

retainAll

public boolean retainAll(Collection c)

Specified by:

retainAll in interface Collection

size

public int size()

Specified by:

size in interface Collection

toArray

public Object[] toArray()

Specified by:

toArray in interface Collection

toArray

public Object[] toArray(Object[] a)

Specified by:

toArray in interface Collection

toString

public String toString()

Overrides:

toString in class Object

getCollection

protected Collection getCollection()

Gets the collection adaptee.

Returns:

the wrapped collection.

setCollection

protected void setCollection(Collection c)

Sets the collection adaptee.

Parameters:

c - the wrapped collection.