Output MySQL event adapter helps to dump the output events to a MySQL database. It is used as an output event adapter.
Follow the steps below to set up the prerequisites before starting the configuration.
- Download MySQL JDBC connector for Java, and add it to
Create a datasource, as the MySQL event adapter uses Carbon datasources.
Configuring output MySQL event Adapter
Configure using the management console
The steps below explain how to configure output MySQL event adapter using the management console. This deploys the event adapter in the
- Log in to product's management console, and click Configure.
- Click Output Event Adaptors in the Event Processor Configs menu, and then click Add Output Event Adaptor.
mysql_adapterfor Event Adaptor Name, select
mysqlfor Event Adaptor Type, and enter the name of the created datasource
as shown in the below example.
- Click Add Event Adaptor.
Configure using a configuration file
Follow the instructions below to configure output MySQL event adapter using a configuration file.
Create an XML file with the following output MySQL event adapter configurations. Output event adapter implementation must start with
<outputEventAdaptor>as the root element.
- Add the XML file to the
<PRODUCT_HOME>/repository/deployment/server/outputeventadaptors/directory. Since hot deployment is supported in the product, you can simply add/remove output event adapter configuration files to deploy/undeploy output event adapters to/from the server.
After an adapter is successfully added, it gets added to the list of adapters displayed under Event Processor Configs in the Configure menu of the product's management console. Click Edit to change its configuration and redeploy it. This opens an XML-based editor allowing you to edit the event adapter configurations from the UI. Do your modifications and click Update. You can also delete it, enable/disable statistics or enable/disable tracing on it using the provided options in the UI.
Configuring output MySQL event adapter message properties
The configured output event adapters are used in event formatters. With output event adapter message properties, event formatters are able to extract data from event streams and format the output events. Message properties specific to output event adapters of the
mysql type can be configured as follows.
- Log into the BAM Management Console. For detailed instructions, see Running the Product.
- In the Main tab, click Event Streams to open the AvailableEvent Streams page.
- Click the Outflows link of the event stream to which the relevant output event adapter is connected. As a result, Event Out-Flows (<Output_Event_Adapter_Name>) opens.
Click on the relevant event builder name to open the Event Formatter Details page.
The message properties of a
mysqloutput event adapter are described below. Change the property values as required.
Property Description Composite key columns Column names used in uniqueness check for updates. When an event arrives, the table is searched using the values of these columns and then the matching events are updated. This is not applicable for insert-only mode. Execution Mode Execution mode of the output event. The supported modes are insert-only and insert or update. In insert or update modes, event gets inserted if it doesn't already exist in the table. Otherwise, an existing event in the table is updated. Table Name Name of the database table. Output Event Type The outgoing event type to be mapped. The output MySQL event adapter supports only map type mappings.