Writing Extensions to Siddhi

Custom extensions can be written in Siddhi in order to cater to usecase specific logic that is not available out of the box in Siddhi.

For a general idea of how to write an extension, see SiddhiQL Guide - Writing Custom Extensions.

The following sections contain detailed information on how to create different types of Siddhi extensions. 

• Writing a Custom Aggregate Function
• Writing a Custom Window Extension
• Writing a Custom Function Extension
• Writing a Custom Stream Function Extension
• Writing a Custom Stream Processor Extension