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WSO2 CEP only supports Siddhi as the event processing engine.
Does WSO2 provide support for Esper and Drools Fusion?
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Yes, it is possible to correlate events over time and detect event patterns based on the order of event arrival. For more information, see Patterns.
Can I refer to an RDBMS table in my execution plan?
Yes, you could use RDBMS event tables to achieve this. An event table is a structured representation of stored data, allowing stored data to be accessed and manipulated at runtime.
What are the domain specific operators available in Siddhi?
Siddhi supports a range of of Time Series, Mathematical, String, Geo, R (the programming language) functions; Also check out the regex and time extensions Geo REGEX Time NLP PMML Based Predictive Analytics Machine Learning Kalman Map Reorder and Markov Models functions.
Is it possible to write extensions to Siddhi? If yes how?
Yes, it is possible to extend the capabilities of Siddhi, according to custom requirements. This can be done by writing extensions to Siddhi. See Writing Extensions to Siddhi.
Is it possible to do time series analysis with CEP?
Yes. This is possible with the time series toolbox, shipped with CEP 4.0.0.series extension.
Event Receiving and Publishing
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Notifications can be sent out in the form of Email and/or SMS. Use Email Event Publisher to send notifications via Email and SMS Event Publisher to send notifications via SMS.
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Yes. To visualize the event flow, use the /wiki/spaces/TESB/pages/32604241Event Flow.
Is there any "playground" that I could use to learn or try-out Siddhi?
Yes. The CEP has a TryIt feature that you can use to try out Siddhi queries against events. For more information, see Siddhi Try It Tool.
Can I create query templates in CEP?
Yes. The Domain-specific execution manager allows The CEP allows you to create query templates that other users can customize later in a user-friendly dashboard. This makes it easy for non-technical users to use WSO2 CEP. For more information, see Managing CEP Artifacts Via the Template Manager.