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The Publish Event mediator constructs events and publishes them to different systems such as BAM and CEP. This is done via event sinks.

Info

The Publish Event mediator is a content-aware mediator.

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Syntax

Code Block
languagexml
 <publishEvent>
    <eventSink>String</eventSink>
    <streamName>String</streamName>
    <streamVersion>String</streamVersion>
    <attributes>
        <meta>
            <attribute name="string" type="dataType" default="" (value="literal" | expression="[XPath") />
        </meta>
        <correlation>
             <attribute name="string" type="dataType" default="" (value="literal" | expression="[XPath") />
        </correlation>
        <payload>
             <attribute name="string" type="dataType" default="" (value="literal" | expression="[XPath") />
        </payload>
	<arbitrary>
             <attribute name="string" type="dataType" default="" value="literal" />
        </arbitrary>
    </attributes>
</publishEvent>

 

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UI Configuration

Parameters that can be configured for the Publish Event mediator are as follows.

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In this configuration, the Publish Event mediator uses four attributes to extract information from the ESB. This information is published in an event sink in the ESB named bamsample_event_sink.

Code Block
languagexml
<publishEvent>
  <eventSink>bam<eventSink>sample_event_sink</eventSink>
  <streamName>stream_88</streamName>
  <streamVersion>1.1.2</streamVersion>
  <attributes>
     <meta>
        <attribute name="http_method"
                   type="STRING"
                   defaultValue=""
                   expression="get-property('axis2', 'HTTP_METHOD')"/>
        <attribute name="destination"
                   type="STRING"
                   defaultValue=""
                   expression="get-property('To')"/>
     </meta>
     <correlation>
        <attribute name="date"
                   type="STRING"
                   defaultValue=""
                   expression="get-property('SYSTEM_DATE')"/>
     </correlation>
     <payload>
        <attribute xmlns:m0="http://services.samples"
                   name="symbol"
                   type="STRING"
                   defaultValue=""
                   expression="$body/m0:getQuote/m0:request/m0:symbol"/>
     </payload>
  </attributes>
</publishEvent>