Module org.apache.wicket.extensions

Package 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, 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

Constructors

Constructor	Description
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

Modifier and Type	Method	Description
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()	Detaches model after use.
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.Collection

parallelStream, removeIf, stream, toArray

Methods inherited from interface java.lang.Iterable

forEach

Methods inherited from interface java.util.Set

equals, hashCode, spliterator

Constructor Details

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 Details

detach

public void detach()

Description copied from interface: IDetachable

Detaches model after use. This is generally used to null out transient references that can be re-attached later.

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 Collection<T>

Specified by:

iterator in interface Iterable<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