Package io.siddhi.core.stream

Class StreamJunction

java.lang.Object

io.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	Description
static class	StreamJunction.OnErrorAction	Different Type of On Error Actions
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	Description
StreamJunction(io.siddhi.query.api.definition.StreamDefinition streamDefinition, ExecutorService executorService, int bufferSize, StreamJunction faultStreamJunction, SiddhiAppContext siddhiAppContext)

Method Summary

Modifier and Type	Method	Description
StreamJunction.Publisher	constructPublisher()
boolean	containsBufferedEvents()
long	getBufferedEvents()
io.siddhi.query.api.definition.StreamDefinition	getStreamDefinition()
String	getStreamId()
void	handleError(long timeStamp, Object[] data, Exception e)
void	handleError(Object event, Exception e)
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)
void	unsubscribe(StreamCallback streamCallback)

Methods inherited from class java.lang.Object

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

Constructor Detail

StreamJunction

public StreamJunction(io.siddhi.query.api.definition.StreamDefinition streamDefinition,
                      ExecutorService executorService,
                      int bufferSize,
                      StreamJunction faultStreamJunction,
                      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)

unsubscribe

public void unsubscribe(StreamCallback streamCallback)

getStreamId

public String getStreamId()

getStreamDefinition

public io.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

handleError

public void handleError(Object event,
                        Exception e)

handleError

public void handleError(long timeStamp,
                        Object[] data,
                        Exception e)