Skip to main content
This section explains how ETL extensions can be made within . For these extensions, we will be using the Datastore Helper and Data Load Controller.

​
Organizing Customizations

Extracting our customizations into their own configuration class can help us keep things tidy and aid in migration efforts when upgrading to a newer version of . We can put our customizations into Configuration classes that we will ensure get picked up by our application. Example datastore customization: 
@Configuration
public static class ClientCustomisations {

	@Bean(name = "Custom")
	@Qualifier(SP_QUALIFIER__CUSTOMISATIONS)
	public DatastoreConfiguratorConsumer addFieldCustomization(){
		return datastoreConfigurator -> datastoreConfigurator
				.appendField("ExistingStore", new CustomField("MyNewField", ILiteralType.STRING));
	}
}

​
Include in FrtbApplicationConfig

For our customizations to be picked up, we must include all added Spring @Configuration classes in FrtbApplicationConfig located in /frtb-application/src/main/java/com/activeviam/frtb/application/config/.