de.hybris.platform.btg.rule.impl

Class StorageElementsContainer<E extends Serializable>

java.lang.Object

de.hybris.platform.btg.rule.impl.StorageElementsContainer<E>

All Implemented Interfaces:

Serializable

public class StorageElementsContainer<E extends Serializable>
extends Object
implements Serializable

Thread-safe Container used to keep user data. This container is "counting" the number of times an element has been added to it and when removing an element, only the "counter" is decreased. The element is only removed from the container when the "counter" reaches zero.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
StorageElementsContainer()

Method Summary

Modifier and Type	Method and Description
void	add(E element) Adds an element to the Container.
boolean	contains(E element) Returns true if the container contains provided element
Set<E>	getAllElements() Returns all elements in the container.
void	remove(E element) Removes an element from the Container IFF the "counter" for the element is 1 i.e.
void	removeAll() Removes all date from the container
void	removeAll(E element) Removes all occurrences of E from the container.

Methods inherited from class java.lang.Object

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

Constructor Detail

StorageElementsContainer

public StorageElementsContainer()

Method Detail

getAllElements

public Set<E> getAllElements()

Returns all elements in the container. If an element has been added more than one time, it is reported only once in the result.

add

public void add(E element)

Adds an element to the Container. The same element might be added several times.

remove

public void remove(E element)

Removes an element from the Container IFF the "counter" for the element is 1 i.e. the element has been added only once. If the element has been added multiple times, this method must also be called the same number of times to actually remove the element. For example: if the element has been added three times using add(Serializable) method, then this method must be also called three times to remove the element from the container.

contains

public boolean contains(E element)

Returns true if the container contains provided element

removeAll

public void removeAll(E element)

Removes all occurrences of E from the container.

removeAll

public void removeAll()

Removes all date from the container