This documentation is for WSO2 Complex Event Processor 2.0.0. View documentation for the latest release.

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When using WSO2 CEP we don't need to define the streams, this is because WSO2 CEP will infer the stream definitions from the Input Mappings.


<define-stream> ::= define stream <stream-name>
<attribute-name> <type> {<attribute-name> <type>}

All streams that cannot be derived from queries must be defined before use.

Following example shows a sample stream definition;

Defining a stream called StockExchangeStream having three attributes, where symbol of type string, price of type int and volume of type float.

define stream StockExchangeStream (symbol string, price int, volume float );

 

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