程序包 com.alibaba.nacos.common.notify

类 NotifyCenter

java.lang.Object

com.alibaba.nacos.common.notify.NotifyCenter

public class NotifyCenter
extends java.lang.Object

Unified Event Notify Center.

作者:

liaochuntao, zongtanghu

字段概要

字段

修饰符和类型	字段	说明
private static java.lang.Class<? extends EventPublisher>	clazz
private static java.util.concurrent.atomic.AtomicBoolean	CLOSED
private static EventPublisherFactory	DEFAULT_PUBLISHER_FACTORY
private static NotifyCenter	INSTANCE
private static org.slf4j.Logger	LOGGER
private java.util.Map<java.lang.String,EventPublisher>	publisherMap	Publisher management container.
static int	ringBufferSize
static int	shareBufferSize
private DefaultSharePublisher	sharePublisher

构造器概要

构造器

构造器	说明
NotifyCenter()

方法概要

修饰符和类型	方法	说明
private static void	addSubscriber(Subscriber consumer, java.lang.Class<? extends Event> subscribeType, EventPublisherFactory factory)	Add a subscriber to publisher.
static void	deregisterPublisher(java.lang.Class<? extends Event> eventType)	Deregister publisher.
static void	deregisterSubscriber(Subscriber consumer)	Deregister subscriber.
static EventPublisher	getPublisher(java.lang.Class<? extends Event> topic)
static java.util.Map<java.lang.String,EventPublisher>	getPublisherMap()
static EventPublisher	getSharePublisher()
static boolean	publishEvent(Event event)	Request publisher publish event Publishers load lazily, calling publisher.
private static boolean	publishEvent(java.lang.Class<? extends Event> eventType, Event event)	Request publisher publish event Publishers load lazily, calling publisher.
static void	registerSubscriber(Subscriber consumer)	Register a Subscriber.
static void	registerSubscriber(Subscriber consumer, EventPublisherFactory factory)	Register a Subscriber.
static EventPublisher	registerToPublisher(java.lang.Class<? extends Event> eventType, int queueMaxSize)	Register publisher with default factory.
static void	registerToPublisher(java.lang.Class<? extends Event> eventType, EventPublisher publisher)	Register publisher.
static EventPublisher	registerToPublisher(java.lang.Class<? extends Event> eventType, EventPublisherFactory factory, int queueMaxSize)	Register publisher with specified factory.
static EventPublisher	registerToSharePublisher(java.lang.Class<? extends SlowEvent> eventType)	Register to share-publisher.
private static boolean	removeSubscriber(Subscriber consumer, java.lang.Class<? extends Event> subscribeType)	Remove subscriber.
static void	shutdown()	Shutdown the several publisher instance which notify center has.

从类继承的方法 java.lang.Object

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

字段详细资料

LOGGER

private static final org.slf4j.Logger LOGGER

ringBufferSize

public static int ringBufferSize

shareBufferSize

public static int shareBufferSize

CLOSED

private static final java.util.concurrent.atomic.AtomicBoolean CLOSED

DEFAULT_PUBLISHER_FACTORY

private static final EventPublisherFactory DEFAULT_PUBLISHER_FACTORY

INSTANCE

private static final NotifyCenter INSTANCE

sharePublisher

private DefaultSharePublisher sharePublisher

clazz

private static java.lang.Class<? extends EventPublisher> clazz

publisherMap

private final java.util.Map<java.lang.String,EventPublisher> publisherMap

Publisher management container.

构造器详细资料

NotifyCenter

public NotifyCenter()

方法详细资料

getPublisherMap

public static java.util.Map<java.lang.String,EventPublisher> getPublisherMap()

getPublisher

public static EventPublisher getPublisher(java.lang.Class<? extends Event> topic)

getSharePublisher

public static EventPublisher getSharePublisher()

shutdown

public static void shutdown()

Shutdown the several publisher instance which notify center has.

registerSubscriber

public static void registerSubscriber(Subscriber consumer)

Register a Subscriber. If the Publisher concerned by the Subscriber does not exist, then PublihserMap will preempt a placeholder Publisher with default EventPublisherFactory first.

参数:

consumer - subscriber

registerSubscriber

public static void registerSubscriber(Subscriber consumer,
                                      EventPublisherFactory factory)

Register a Subscriber. If the Publisher concerned by the Subscriber does not exist, then PublihserMap will preempt a placeholder Publisher with specified EventPublisherFactory first.

参数:

consumer - subscriber

factory - publisher factory.

addSubscriber

private static void addSubscriber(Subscriber consumer,
                                  java.lang.Class<? extends Event> subscribeType,
                                  EventPublisherFactory factory)

Add a subscriber to publisher.

参数:

consumer - subscriber instance.

subscribeType - subscribeType.

factory - publisher factory.

deregisterSubscriber

public static void deregisterSubscriber(Subscriber consumer)

Deregister subscriber.

参数:

consumer - subscriber instance.

removeSubscriber

private static boolean removeSubscriber(Subscriber consumer,
                                        java.lang.Class<? extends Event> subscribeType)

Remove subscriber.

参数:

consumer - subscriber instance.

subscribeType - subscribeType.

返回:

whether remove subscriber successfully or not.

publishEvent

public static boolean publishEvent(Event event)

Request publisher publish event Publishers load lazily, calling publisher. Start () only when the event is actually published.

参数:

event - class Instances of the event.

publishEvent

private static boolean publishEvent(java.lang.Class<? extends Event> eventType,
                                    Event event)

Request publisher publish event Publishers load lazily, calling publisher.

参数:

eventType - class Instances type of the event type.

event - event instance.

registerToSharePublisher

public static EventPublisher registerToSharePublisher(java.lang.Class<? extends SlowEvent> eventType)

Register to share-publisher.

参数:

eventType - class Instances type of the event type.

返回:

share publisher instance.

registerToPublisher

public static EventPublisher registerToPublisher(java.lang.Class<? extends Event> eventType,
                                                 int queueMaxSize)

Register publisher with default factory.

参数:

eventType - class Instances type of the event type.

queueMaxSize - the publisher's queue max size.

registerToPublisher

public static EventPublisher registerToPublisher(java.lang.Class<? extends Event> eventType,
                                                 EventPublisherFactory factory,
                                                 int queueMaxSize)

Register publisher with specified factory.

参数:

eventType - class Instances type of the event type.

factory - publisher factory.

queueMaxSize - the publisher's queue max size.

registerToPublisher

public static void registerToPublisher(java.lang.Class<? extends Event> eventType,
                                       EventPublisher publisher)

Register publisher.

参数:

eventType - class Instances type of the event type.

publisher - the specified event publisher

deregisterPublisher

public static void deregisterPublisher(java.lang.Class<? extends Event> eventType)

Deregister publisher.

参数:

eventType - class Instances type of the event type.