Package net.ontopia.persistence.proxy

Class TrackableSet<E>

java.lang.Object

java.util.AbstractCollection<E>

java.util.AbstractSet<E>

java.util.HashSet<E>

net.ontopia.persistence.proxy.TrackableSet<E>

All Implemented Interfaces:

Serializable, Cloneable, Iterable<E>, Collection<E>, Set<E>, TrackableCollectionIF<E>

public class TrackableSet<E>
extends HashSet<E>
implements TrackableCollectionIF<E>

INTERNAL: A set implementation that track the changes performed on it. It keeps track of the objects that have been added and the ones that has been removed.

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected Set<E>	added
protected Set<E>	removed
protected TransactionIF	txn

Constructor Summary

Constructors

Constructor	Description
TrackableSet(TransactionIF txn, Collection<E> coll)

Method Summary

Modifier and Type	Method	Description
boolean	add(E o)
boolean	addAll(Collection<? extends E> c)
boolean	addWithTracking(E _o)	INTERNAL: Adds the item to the collection tracking the change.
void	clear()
void	clearWithTracking()	INTERNAL: Removes all items from the collection tracking the changes.
boolean	contains(Object o)
boolean	containsAll(Collection<?> c)
void	dump()
Collection<E>	getAdded()	INTERNAL: Gets the objects that have been added to the set.
Collection<E>	getRemoved()	INTERNAL: Gets the objects that have been removed from the set.
Iterator<E>	iterator()
boolean	remove(Object o)
boolean	removeAll(Collection<?> c)
boolean	removeWithTracking(E _o)	INTERNAL: Removes the item from the collection tracking the change.
void	resetTracking()	INTERNAL: Clears the list of added and removed objects without touching the original collection.
boolean	retainAll(Collection<?> c)
void	selfAdded()	INTERNAL: Consider existing collection elements as having just been added.
Spliterator<E>	spliterator()
Object[]	toArray()
<T> T[]	toArray(T[] a)

Methods inherited from class java.util.HashSet

clone, isEmpty, size

Methods inherited from class java.util.AbstractSet

equals, hashCode

Methods inherited from class java.util.AbstractCollection

toString

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, 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

Field Details

txn

protected TransactionIF txn

added

protected Set<E> added

removed

protected Set<E> removed

Constructor Details

TrackableSet

public TrackableSet(TransactionIF txn,
 Collection<E> coll)

Method Details

dump

public void dump()

resetTracking

public void resetTracking()

Description copied from interface: TrackableCollectionIF

INTERNAL: Clears the list of added and removed objects without touching the original collection.

Specified by:

resetTracking in interface TrackableCollectionIF<E>

selfAdded

public void selfAdded()

Description copied from interface: TrackableCollectionIF

INTERNAL: Consider existing collection elements as having just been added.

Specified by:

selfAdded in interface TrackableCollectionIF<E>

getAdded

public Collection<E> getAdded()

Description copied from interface: TrackableCollectionIF

INTERNAL: Gets the objects that have been added to the set. This collection is immutable. Null is returned if the added collection has not been initialized, ie. it is empty.

Specified by:

getAdded in interface TrackableCollectionIF<E>

getRemoved

public Collection<E> getRemoved()

Description copied from interface: TrackableCollectionIF

INTERNAL: Gets the objects that have been removed from the set. This collection is immutable. Null is returned if the removed collection has not been initialized, ie. it is empty.

Specified by:

getRemoved in interface TrackableCollectionIF<E>

addWithTracking

public boolean addWithTracking(E _o)

Description copied from interface: TrackableCollectionIF

INTERNAL: Adds the item to the collection tracking the change.

Specified by:

addWithTracking in interface TrackableCollectionIF<E>

removeWithTracking

public boolean removeWithTracking(E _o)

Description copied from interface: TrackableCollectionIF

INTERNAL: Removes the item from the collection tracking the change.

Specified by:

removeWithTracking in interface TrackableCollectionIF<E>

clearWithTracking

public void clearWithTracking()

Description copied from interface: TrackableCollectionIF

INTERNAL: Removes all items from the collection tracking the changes.

Specified by:

clearWithTracking in interface TrackableCollectionIF<E>

clear

public void clear()

Specified by:

clear in interface Collection<E>

Specified by:

clear in interface Set<E>

Overrides:

clear in class HashSet<E>

add

public boolean add(E o)

Specified by:

add in interface Collection<E>

Specified by:

add in interface Set<E>

Overrides:

add in class HashSet<E>

addAll

public boolean addAll(Collection<? extends E> c)

Specified by:

addAll in interface Collection<E>

Specified by:

addAll in interface Set<E>

Overrides:

addAll in class AbstractCollection<E>

remove

public boolean remove(Object o)

Specified by:

remove in interface Collection<E>

Specified by:

remove in interface Set<E>

Overrides:

remove in class HashSet<E>

removeAll

public boolean removeAll(Collection<?> c)

Specified by:

removeAll in interface Collection<E>

Specified by:

removeAll in interface Set<E>

Overrides:

removeAll in class AbstractSet<E>

retainAll

public boolean retainAll(Collection<?> c)

Specified by:

retainAll in interface Collection<E>

Specified by:

retainAll in interface Set<E>

Overrides:

retainAll in class AbstractCollection<E>

iterator

public Iterator<E> iterator()

Specified by:

iterator in interface Collection<E>

Specified by:

iterator in interface Iterable<E>

Specified by:

iterator in interface Set<E>

Overrides:

iterator in class HashSet<E>

contains

public boolean contains(Object o)

Specified by:

contains in interface Collection<E>

Specified by:

contains in interface Set<E>

Overrides:

contains in class HashSet<E>

containsAll

public boolean containsAll(Collection<?> c)

Specified by:

containsAll in interface Collection<E>

Specified by:

containsAll in interface Set<E>

Overrides:

containsAll in class AbstractCollection<E>

toArray

public Object[] toArray()

Specified by:

toArray in interface Collection<E>

Specified by:

toArray in interface Set<E>

Overrides:

toArray in class HashSet<E>

toArray

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

Specified by:

toArray in interface Collection<E>

Specified by:

toArray in interface Set<E>

Overrides:

toArray in class HashSet<E>

spliterator

public Spliterator<E> spliterator()

Specified by:

spliterator in interface Collection<E>

Specified by:

spliterator in interface Iterable<E>

Specified by:

spliterator in interface Set<E>

Overrides:

spliterator in class HashSet<E>