de.otto.synapse.eventsource

Class AbstractEventSource

java.lang.Object

de.otto.synapse.eventsource.AbstractEventSource

All Implemented Interfaces:

EventSource

Direct Known Subclasses:

InMemoryEventSource

public abstract class AbstractEventSource
extends java.lang.Object
implements EventSource

Constructor Summary

Constructors

Constructor and Description
AbstractEventSource(java.lang.String name, MessageLogReceiverEndpoint messageLog, org.springframework.context.ApplicationEventPublisher eventPublisher)

Method Summary

Modifier and Type	Method and Description
java.lang.String	getChannelName() Returns the name of the EventSource.
MessageDispatcher	getMessageDispatcher() Returns the MessageDispatcher used to register consumers at the EventSource.
java.lang.String	getName() An event source's name is used to connect event sources to their consumers.
boolean	isStopping()
protected void	publishEvent(ChannelPosition channelPosition, EventSourceNotification.Status status)
protected void	publishEvent(ChannelPosition channelPosition, EventSourceNotification.Status status, java.lang.String message)
void	register(MessageConsumer<?> messageConsumer) Registers a new EventConsumer at the EventSource.
void	stop()

Methods inherited from class java.lang.Object

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

Methods inherited from interface de.otto.synapse.eventsource.EventSource

consume, consume, consume, consume

Constructor Detail

AbstractEventSource

public AbstractEventSource(java.lang.String name,
                           MessageLogReceiverEndpoint messageLog,
                           org.springframework.context.ApplicationEventPublisher eventPublisher)

Method Detail

getName

public java.lang.String getName()

Description copied from interface: EventSource

An event source's name is used to connect event sources to their consumers.

Specified by:

getName in interface EventSource

Returns:

the unique name

getChannelName

public java.lang.String getChannelName()

Description copied from interface: EventSource

Returns the name of the EventSource.

For streaming event-sources, this is the name of the event stream.

Specified by:

getChannelName in interface EventSource

Returns:

name

stop

public void stop()

Specified by:

stop in interface EventSource

isStopping

public boolean isStopping()

Specified by:

isStopping in interface EventSource

register

public void register(MessageConsumer<?> messageConsumer)

Registers a new EventConsumer at the EventSource.

consumers have to be thread safe as it may be called from multiple threads (e.g. for kinesis streams there is one thread per shard)

Specified by:

register in interface EventSource

Parameters:

messageConsumer - the EventConsumer that is registered at the EventSource

getMessageDispatcher

@Nonnull
public MessageDispatcher getMessageDispatcher()

Returns the MessageDispatcher used to register consumers at the EventSource.

Specified by:

getMessageDispatcher in interface EventSource

Returns:

MessageDispatcher

publishEvent

protected void publishEvent(ChannelPosition channelPosition,
                            EventSourceNotification.Status status)

publishEvent

protected void publishEvent(ChannelPosition channelPosition,
                            EventSourceNotification.Status status,
                            java.lang.String message)