StreamCallback (Siddhi Core 5.1.30 API)

java.lang.Object
- io.siddhi.core.stream.output.StreamCallback

All Implemented Interfaces:

StreamJunction.Receiver

Direct Known Subclasses:

SinkCallback
```
public abstract class StreamCallback
extends Object
implements StreamJunction.Receiver
```
StreamCallback is used to receive events from StreamJunction. This class should be extended if one intends to get events from a Siddhi Stream.

Constructor Summary

Constructors
Constructor Description

StreamCallback()

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`io.siddhi.query.api.definition.AbstractDefinition`	`getStreamDefinition()`
`String`	`getStreamId()`
`void`	`receive(long timestamp, Object[] data)`
`void`	`receive(ComplexEvent complexEvent)`
`void`	`receive(Event event)`
`abstract void`	`receive(Event[] events)`
`void`	`receive(List<Event> events)`
`void`	`receiveEvents(Event[] events)`
`void`	`setContext(SiddhiAppContext siddhiAppContext)`
`void`	`setStreamDefinition(io.siddhi.query.api.definition.AbstractDefinition streamDefinition)`
`void`	`setStreamId(String streamId)`
`void`	`startProcessing()`
`void`	`stopProcessing()`
`Map<String,Object>`	`toMap(Event event)`
`Map<String,Object>[]`	`toMap(Event[] events)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail
- StreamCallback
```
public StreamCallback()
```

Method Detail

getStreamId
```
public String getStreamId()
```
Specified by:

getStreamId in interface StreamJunction.Receiver

setStreamId

public void setStreamId(String streamId)

getStreamDefinition

public io.siddhi.query.api.definition.AbstractDefinition getStreamDefinition()

setStreamDefinition

public void setStreamDefinition(io.siddhi.query.api.definition.AbstractDefinition streamDefinition)

setContext

public void setContext(SiddhiAppContext siddhiAppContext)

toMap

public Map<String,Object> toMap(Event event)

toMap

public Map<String,Object>[] toMap(Event[] events)

receive
```
public void receive(ComplexEvent complexEvent)
```
Specified by:

receive in interface StreamJunction.Receiver

receive
```
public void receive(Event event)
```
Specified by:

receive in interface StreamJunction.Receiver

receive
```
public void receive(List<Event> events)
```
Specified by:

receive in interface StreamJunction.Receiver

receive

public void receive(long timestamp,
                    Object[] data)

Specified by:: receive in interface StreamJunction.Receiver

receiveEvents

public void receiveEvents(Event[] events)

receive
```
public abstract void receive(Event[] events)
```
Specified by:

receive in interface StreamJunction.Receiver

startProcessing
```
public void startProcessing()
```

stopProcessing
```
public void stopProcessing()
```