org.wso2.siddhi.core.stream.output.sink

Interface OutputGroupDeterminer

All Known Implementing Classes:

DynamicOptionGroupDeterminer, PartitionedGroupDeterminer

public interface OutputGroupDeterminer

Output events are grouped before sent out to the transport to achieve efficient network communication. Implementations of this interface should implement the logic to decide the grouping of events

Method Summary

Modifier and Type	Method and Description
String	decideGroup(Event event) Deciding the group of a given event and returning a unique identifier to identify the group.

Method Detail

decideGroup

String decideGroup(Event event)

Deciding the group of a given event and returning a unique identifier to identify the group. A correct implementation of this method should be returning the same group identifier for all events belongs a give group.

Parameters:

event - Event that needs to be decided to which group it belongs to

Returns:

Unique Identifier to identify the group of the event