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, org.springframework.context.ApplicationEventPublisher eventPublisher, com.fasterxml.jackson.databind.ObjectMapper objectMapper)

Method Summary

Modifier and Type	Method and Description
DispatchingMessageConsumer	dispatchingMessageConsumer() Returns the list of registered EventConsumers.
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

consumeAll, consumeAll, consumeAll, consumeAll, getStreamName

Constructor Detail

AbstractEventSource

public AbstractEventSource(java.lang.String name,
                           org.springframework.context.ApplicationEventPublisher eventPublisher,
                           com.fasterxml.jackson.databind.ObjectMapper objectMapper)

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

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

dispatchingMessageConsumer

public DispatchingMessageConsumer dispatchingMessageConsumer()

Returns the list of registered EventConsumers.

Specified by:

dispatchingMessageConsumer in interface EventSource

Returns:

list of registered EventConsumers

publishEvent

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

publishEvent

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