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- Introduction of event receivers. An event receiver in CEP 4.0.0 provides the combined functionality of an input event adapter and an event builder in CEP 3.1.0. A range of event receiver types are supported instead of input event adapter types.
- Supports receiving events via MQTT (i.e. via using MQTT receiver type).
- Introduction of event publishers. An event publisher in CEP 4.0.0 provides the combined functionality of an output event adapter and an event formatter in CEP 3.1.0. A range of event publisher types are supported instead of output event adapter types.
- Supports publishing events via MQTT (i.e. via using MQTT publisher type).
- The Siddhi Query Language has been re-architectured. The changes include the following:
- Improved execution of events with threaded architecture
- Improved partitioning capabilities
- Scheduled event triggering with quartz-scheduler cron expressions
- Event table support for Oracle databases
- Introduction of new extensions
For the updated version, see the SiddhiQL Guide 3.0.
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- Input event adapters are replaced by event receivers.
- Event builders are replaced by event receivers.
- Output event adapters are replaced by event publishers.
- Event formatters are replaced by event publishers.
- CEP Dashboard is replaced by the Analytics Dashboard.
- MySQL output adapter type is replaced by the RDBMS receiver publisher type.
Fixed issues
This release includes several bug fixes.
For a complete list of issues fixed in this release, see CEP 4.0.0 - Fixed Issues.
Known issues
For a complete list of known issues in this release, see CEP 4.0.0 - Known Issues.