org.wso2.siddhi.core.stream

Class StreamJunction

java.lang.Object

org.wso2.siddhi.core.stream.StreamJunction

All Implemented Interfaces:

EventBufferHolder

public class StreamJunction
extends Object
implements EventBufferHolder

Stream Junction is the place where streams are collected and distributed. There will be an Stream Junction per evey event stream. StreamJunction.Publisher can be used to publish events to the junction and StreamJunction.Receiver can be used to receive events from Stream Junction. Stream Junction will hold the events till they are consumed by registered Receivers.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	StreamJunction.Publisher Interface to be implemented to send events into the Stream Junction.
static interface	StreamJunction.Receiver Interface to be implemented by all receivers who need to subscribe to Stream Junction and receive events.

Constructor Summary

Constructors

Constructor and Description
StreamJunction(org.wso2.siddhi.query.api.definition.StreamDefinition streamDefinition, ExecutorService executorService, int bufferSize, SiddhiAppContext siddhiAppContext)

Method Summary

Modifier and Type	Method and Description
StreamJunction.Publisher	constructPublisher()
boolean	containsBufferedEvents()
long	getBufferedEvents()
org.wso2.siddhi.query.api.definition.StreamDefinition	getStreamDefinition()
String	getStreamId()
void	sendEvent(ComplexEvent complexEvent)
void	sendEvent(Event event)
void	startProcessing() Create and start disruptor based on annotations given in the streamDefinition.
void	stopProcessing()
void	subscribe(StreamJunction.Receiver receiver)

Methods inherited from class java.lang.Object

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

Constructor Detail

StreamJunction

public StreamJunction(org.wso2.siddhi.query.api.definition.StreamDefinition streamDefinition,
                      ExecutorService executorService,
                      int bufferSize,
                      SiddhiAppContext siddhiAppContext)

Method Detail

sendEvent

public void sendEvent(ComplexEvent complexEvent)

sendEvent

public void sendEvent(Event event)

startProcessing

public void startProcessing()

Create and start disruptor based on annotations given in the streamDefinition.

stopProcessing

public void stopProcessing()

constructPublisher

public StreamJunction.Publisher constructPublisher()

subscribe

public void subscribe(StreamJunction.Receiver receiver)

getStreamId

public String getStreamId()

getStreamDefinition

public org.wso2.siddhi.query.api.definition.StreamDefinition getStreamDefinition()

getBufferedEvents

public long getBufferedEvents()

Specified by:

getBufferedEvents in interface EventBufferHolder

containsBufferedEvents

public boolean containsBufferedEvents()

Specified by:

containsBufferedEvents in interface EventBufferHolder