Event Streams are another main part in CEP. All the processing happens based on streams. Here, Event streams need to be defined as WSO2Event Stream Definition. All the created streams are stored in the registry (governance) of the CEP.
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Don't try to edit stream definitions directly using registry browser. Only use the following stream management UI, because using registry browser may lead to unpredictable situations. |
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Other than the server UI, you can also define the stream definition using a config file which is in the |
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<streamDefinitions xmlns="http://wso2.org/carbon/databridge">
<streamDefinition>
{
"name":"org.wso2.sample.mediation.stats",
"version":"1.0.0",
"metaData":[
{"name":"host","type":"STRING"}] ,
"correlationData":[],
"payloadData":[
{"name":"direction","type":"STRING"},
{"name":"timestamp","type":"LONG"},
{"name":"resource_id","type":"STRING"}
]
}
</streamDefinition>
</streamDefinitions> |
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