org.springframework.messaging.simp.broker

Class AbstractSubscriptionRegistry

java.lang.Object

org.springframework.messaging.simp.broker.AbstractSubscriptionRegistry

All Implemented Interfaces:

SubscriptionRegistry

Direct Known Subclasses:

DefaultSubscriptionRegistry

public abstract class AbstractSubscriptionRegistry
extends Object
implements SubscriptionRegistry

Abstract base class for implementations of SubscriptionRegistry that looks up information in messages but delegates to abstract methods for the actual storage and retrieval.

Since:

4.0

Author:

Rossen Stoyanchev

Field Summary

Fields

Modifier and Type	Field and Description
protected Log	logger

Constructor Summary

Constructors

Constructor and Description
AbstractSubscriptionRegistry()

Method Summary

Modifier and Type	Method and Description
protected abstract void	addSubscriptionInternal(String sessionId, String subscriptionId, String destination, Message<?> message)
MultiValueMap<String,String>	findSubscriptions(Message<?> message) Find all subscriptions that should receive the given message.
protected abstract MultiValueMap<String,String>	findSubscriptionsInternal(String destination, Message<?> message)
void	registerSubscription(Message<?> message) Register a subscription represented by the given message.
protected abstract void	removeSubscriptionInternal(String sessionId, String subscriptionId, Message<?> message)
abstract void	unregisterAllSubscriptions(String sessionId) Remove all subscriptions associated with the given sessionId.
void	unregisterSubscription(Message<?> message) Unregister a subscription.

Methods inherited from class java.lang.Object

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

Field Detail

logger

protected final Log logger

Constructor Detail

AbstractSubscriptionRegistry

public AbstractSubscriptionRegistry()

Method Detail

registerSubscription

public final void registerSubscription(Message<?> message)

Description copied from interface: SubscriptionRegistry

Register a subscription represented by the given message.

Specified by:

registerSubscription in interface SubscriptionRegistry

Parameters:

message - the subscription request

unregisterSubscription

public final void unregisterSubscription(Message<?> message)

Description copied from interface: SubscriptionRegistry

Unregister a subscription.

Specified by:

unregisterSubscription in interface SubscriptionRegistry

Parameters:

message - the request to unsubscribe

findSubscriptions

public final MultiValueMap<String,String> findSubscriptions(Message<?> message)

Description copied from interface: SubscriptionRegistry

Find all subscriptions that should receive the given message. The map returned is safe to iterate and will never be modified.

Specified by:

findSubscriptions in interface SubscriptionRegistry

Parameters:

message - the message

Returns:

a MultiValueMap with sessionId-subscriptionId pairs, possibly empty.

addSubscriptionInternal

protected abstract void addSubscriptionInternal(String sessionId,
                                                String subscriptionId,
                                                String destination,
                                                Message<?> message)

removeSubscriptionInternal

protected abstract void removeSubscriptionInternal(String sessionId,
                                                   String subscriptionId,
                                                   Message<?> message)

unregisterAllSubscriptions

public abstract void unregisterAllSubscriptions(String sessionId)

Description copied from interface: SubscriptionRegistry

Remove all subscriptions associated with the given sessionId.

Specified by:

unregisterAllSubscriptions in interface SubscriptionRegistry

findSubscriptionsInternal

protected abstract MultiValueMap<String,String> findSubscriptionsInternal(String destination,
                                                                          Message<?> message)