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WSO2Event event publisher handles WSO2 events. It sends WSO2 events over Thrift using TCP, SSL/ TCP, HTTP, and HTTPS protocols to any external server, which can receive them.

Creating a WSO2Event event publisher

For instructions on creating a WSO2Event event publisher, see Creating Alerts.

Configuring adapter properties

Specify the Static Adapter Properties, when creating a WSO2Event event publisher using the management console as shown below.

WSO2Event event publisher

After entering the above adapter properties, select the  Event Stream  to which you want to map the incoming events, and the  Message Format  which you want to apply on the receiving events. Also, click  Advanced  to define custom input mappings based on the  Message Format  you selected. For more information on custom output mapping types, see  Output Mapping Types.

You can also d efine the respective adapter properties of the event receiver based on the transport type within the  <from>  element of the event receiver configuration in the <PRODUCT_HOME>/repository/deployment/server/eventreceivers/ directory as follows.

<eventPublisher name="WSO2EventOutputEventAdapter" statistics="disable" trace="disable" xmlns="http://wso2.org/carbon/eventpublisher">
 ................
  <to eventAdapterType="wso2event">
    <property name="username">wso2event-user</property>
    <property name="protocol">thrift</property>
    <property name="publishingMode">non-blocking</property>
    <property name="publishTimeout">0</property>
    <property name="receiverURL">tcp://localhost:7661</property>
    <property name="authenticatorURL">tcp://auth-host:7661</property>
    <property encrypted="true" name="password">jkFhzj2US/jSokI/gYjdMpBaG1OaCV/XgamNwSPsLglQ1ALTA1yBUTexgZ8JEiZoz/WL9H5Ncas1Dq/wMbVlL1OueUTXoL1Kcm63kEf1YWIkoD9ySk0FCFVFWgCsGhH8cAVabeCEEpE+qhq0bFoXTfqYTKjoP2+F1B4EjhDsu7M=</property>
  </to>
</eventPublisher>

The above adapter properties are described below.

Adapter Property
Description
Configuration file propertyExample
Receiver URL The URL of the target receiver.
receiverURL

tcp://localhost:7661

Authenticator URL The URL of the authenticator. By default, the port of this URL is derived by adding 100 to the port of the receiver URL. You can change it as required.
authenticatorURL

tcp://auth-host:7661

User Name Username for the listener.
username

wso2event-user

Password Password for the listener.
password
wso2event-password
Protocol The communication protocol that is used to publish events
protocol
thrift/binary
Publishing Mode The mode for publishing events. Non-blocking refers to asynchronous publishing, and blocking refers to synchronous publishing
publishingMode
non-blocking/blocking
Publishing Timeout The positive integer to denote the timeout for the non-blocking publishing mode
publishTimeout
0

Related samples

For more information on wso2event event publisher type, see the following samples in WSO2 CEP Documentation.

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