Hazelcast Extension

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Version 3.2.0  by WSO2

Category : Siddhi Store
Supported Product Version : CEP 4.2.0   DAS 3.1.0  

Summary

Hazelcast event tables support persisting event data in a distributed manner using Hazelcast in-memory data grids. This functionality is enabled via the From annotation. This annotation also assigns the instructions for the Hazelcast cluster to the event table.


Associated Tags

Hazelcast-Extension Siddhi

Hazelcast event tables support persisting event data in a distributed manner using Hazelcast in-memory data grids. This functionality is enabled via the From annotation.
This annotation also assigns the instructions for the Hazelcast cluster to the event table.

An event table can be indexed for fast event access using the IndexBy annotation. With IndexBy, only one attribute can be indexed. Once the indexing is done, events are held using a map data structure.
Therefore if multiple events are inserted into an event table with the same index value, only the event that was inserted last remains in the table.

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