org.apache.wicket.extensions.markup.html.repeater.util
Class ProviderSubset<T>

java.lang.Object
  org.apache.wicket.extensions.markup.html.repeater.util.ProviderSubset<T>

Type Parameters:

T - type of data

All Implemented Interfaces:

Serializable, Iterable<T>, Collection<T>, Set<T>, IDetachable, org.apache.wicket.util.io.IClusterable

public class ProviderSubset<T>
extends Object
implements Set<T>, IDetachable

A Set implementation utilizing a ITreeProvider's models to keep containing elements.

Author:

svenmeier

See Also:

ITreeProvider.model(Object), Serialized Form

Constructor Summary

ProviderSubset(ITreeProvider<T> provider)
Create an empty subset.

ProviderSubset(ITreeProvider<T> provider, boolean addRoots)
Create a subset optionally containing all roots of the provider.

Method Summary

boolean	add(T t)
boolean	addAll(Collection<? extends T> ts)
void	clear()
boolean	contains(Object o)
boolean	containsAll(Collection<?> cs)
IModel<Set<T>>	createModel() Create a model holding this set.
void	detach()
boolean	isEmpty()
Iterator<T>	iterator()
boolean	remove(Object o)
boolean	removeAll(Collection<?> cs)
boolean	retainAll(Collection<?> c)
int	size()
Object[]	toArray()
<S> S[]	toArray(S[] a)

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Set

equals, hashCode

Constructor Detail

ProviderSubset

public ProviderSubset(ITreeProvider<T> provider)

Create an empty subset.

Parameters:

provider - the provider of the complete set

ProviderSubset

public ProviderSubset(ITreeProvider<T> provider,
                      boolean addRoots)

Create a subset optionally containing all roots of the provider.

Parameters:

provider - the provider of the complete set

addRoots - should all roots be added to this subset

Method Detail

detach

public void detach()

Specified by:

detach in interface IDetachable

size

public int size()

Specified by:

size in interface Collection<T>

Specified by:

size in interface Set<T>

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Collection<T>

Specified by:

isEmpty in interface Set<T>

clear

public void clear()

Specified by:

clear in interface Collection<T>

Specified by:

clear in interface Set<T>

contains

public boolean contains(Object o)

Specified by:

contains in interface Collection<T>

Specified by:

contains in interface Set<T>

add

public boolean add(T t)

Specified by:

add in interface Collection<T>

Specified by:

add in interface Set<T>

remove

public boolean remove(Object o)

Specified by:

remove in interface Collection<T>

Specified by:

remove in interface Set<T>

iterator

public Iterator<T> iterator()

Specified by:

iterator in interface Iterable<T>

Specified by:

iterator in interface Collection<T>

Specified by:

iterator in interface Set<T>

addAll

public boolean addAll(Collection<? extends T> ts)

Specified by:

addAll in interface Collection<T>

Specified by:

addAll in interface Set<T>

containsAll

public boolean containsAll(Collection<?> cs)

Specified by:

containsAll in interface Collection<T>

Specified by:

containsAll in interface Set<T>

removeAll

public boolean removeAll(Collection<?> cs)

Specified by:

removeAll in interface Collection<T>

Specified by:

removeAll in interface Set<T>

retainAll

public boolean retainAll(Collection<?> c)

Specified by:

retainAll in interface Collection<T>

Specified by:

retainAll in interface Set<T>

toArray

public Object[] toArray()

Specified by:

toArray in interface Collection<T>

Specified by:

toArray in interface Set<T>

toArray

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

Specified by:

toArray in interface Collection<T>

Specified by:

toArray in interface Set<T>

createModel

public IModel<Set<T>> createModel()

Create a model holding this set.

Returns:

model