Package org.somda.sdc.dpws.soap.wseventing.helper

Class SubscriptionRegistry

java.lang.Object

org.somda.sdc.dpws.soap.wseventing.helper.SubscriptionRegistry

All Implemented Interfaces:

Subscriptions

public class SubscriptionRegistry
extends Object
implements Subscriptions

Thread-safe provision of a set of a subscription managers plus tracking mechanism.

Method Summary

Modifier and Type	Method	Description
void	addSubscription(SourceSubscriptionManager subscriptionManager)	Adds a subscription to the subscription registry.
Optional<SourceSubscriptionManager>	get(String subscriptionId)	Gets a specific subscription.
Map<String,SourceSubscriptionManager>	getAll()	Returns an immutable map of all active subscriptions.
Optional<SourceSubscriptionManager>	getSubscription(String subscriptionId)	Gets a subscription from the subscription registry.
Map<String,SourceSubscriptionManager>	getSubscriptions()	Returns a copied snapshot of all available subscription managers.
void	registerObserver(Object observer)	Registers an EventBus observer to enable tracking of subscription insertion and deletion.
Optional<SourceSubscriptionManager>	removeSubscription(String subscriptionId)	Removes a subscription from the subscription registry.
void	unregisterObserver(Object observer)	Removes an observer formerly registered via registerObserver(Object).

Methods inherited from class java.lang.Object

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

Method Detail

addSubscription

public void addSubscription(SourceSubscriptionManager subscriptionManager)

Adds a subscription to the subscription registry.

Parameters:

subscriptionManager - the subscription manager to add to the registry.

removeSubscription

public Optional<SourceSubscriptionManager> removeSubscription(String subscriptionId)

Removes a subscription from the subscription registry.

Parameters:

subscriptionId - the identifier of the subscription to remove.

Returns:

the removed SourceSubscriptionManager instance if found, otherwise Optional.empty().

getSubscription

public Optional<SourceSubscriptionManager> getSubscription(String subscriptionId)

Gets a subscription from the subscription registry.

Parameters:

subscriptionId - the identifier of the subscription to retrieve.

Returns:

the SourceSubscriptionManager instance if found, otherwise Optional.empty().

getSubscriptions

public Map<String,SourceSubscriptionManager> getSubscriptions()

Returns a copied snapshot of all available subscription managers.

Returns:

all subscription managers as a copy.

registerObserver

public void registerObserver(Object observer)

Registers an EventBus observer to enable tracking of subscription insertion and deletion.

Parameters:

observer - an observer with Subscribe annotated methods and the first argument of type SubscriptionAddedMessage or SubscriptionRemovedMessage.

See Also:

EventBus.register(Object)

unregisterObserver

public void unregisterObserver(Object observer)

Removes an observer formerly registered via registerObserver(Object).

Parameters:

observer - the observer to unregister.

See Also:

EventBus.unregister(Object)

get

public Optional<SourceSubscriptionManager> get(String subscriptionId)

Description copied from interface: Subscriptions

Gets a specific subscription.

Specified by:

get in interface Subscriptions

Parameters:

subscriptionId - the identifier of the subscription to retrieve.

Returns:

the SourceSubscriptionManager instance if found, otherwise Optional.empty().

getAll

public Map<String,SourceSubscriptionManager> getAll()

Description copied from interface: Subscriptions

Returns an immutable map of all active subscriptions.

Specified by:

getAll in interface Subscriptions

Returns:

all subscription managers.