WSO2 Complex Event Processor is succeeded by WSO2 Stream Processor. To view the latest documentation for WSO2 SP, see WSO2 Stream Processor Documentation.
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Introduction

This sample demonstrates how to receive incoming XML events that adhere to the WSO2 Event format via http the transport. This sample does not process the incoming events. A log event publisher is used to log the received event.

Prerequisites

Set up the prerequisites required for all samples.

Building the sample 

Start the WSO2 CEP server with the sample configuration numbered 0003. For instructions, see Starting sample CEP configurations. This sample configuration does the following:

  • Changes the default Axis2 repo from  <CEP_HOME>/repository/deployment/server to <CEP_HOME>/samples/cep/artifacts/0003.
  • Creates an event stream named org.wso2.event.sensor.stream:1.0.0.
  • Creates an event receiver named httpReceiver.
  • Creates an event publisher named httpLogger to log the received messages.

Executing the sample

Open another tab in the CLI, and issue the following ant command from the <CEP_HOME>/samples/cep/producers/http directory.

ant -Durl=http://localhost:9763/endpoints/httpReceiver -Dsn=0003

It builds the http client and publishes the events in the  <CEP_HOME>/samples/cep/artifacts/0003/httpReceiver.txt file to the httpReceiver endpoint. You can view the details of the events that are sent as shown in the log below.

The events received by WSO2 CEP are logged as follows.

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