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Defining a Custom Duplicate Check Key Mapping

1. Add a mapping function

Within your MPS project, add a Mapping Library to your model. Right-click on your model and choose new → v2Flo → Mapping Library.

Add your function to this library and complete its details. The input data represents the message type you wish to duplicate check. The output data must be DuplicateCheckKey.

Image of custom mapping function with all details completed

2. Use the mapping function within your flow

Within your MPS flow, left-click on the checkDuplicate action call you want to use the custom mapping with.

Image of check duplicate domain function selected

Press Ctrl+Alt+I to open the Inspector. Change the Mapping in the inspector to your mapping function.

Image of custom mapping applied in inspector

3. Implement your mapping adapter

You need to provide a java implementation of your mapping function and provide it into your domain declaration as an adapter.

For example:

public class CustomDuplicateCheckMappingAdapter implements CustomDuplicateCheckMappingMappingPort {

    @Override
    public CustomDuplicateMapFromPain001MappingOutput performCustomDuplicateMapFromPain001(CustomDuplicateMapFromPain001MappingParameters inputParameters) {
        return new CustomDuplicateMapFromPain001MappingOutput(new DuplicateCheckKey(getDuplicateCheckFields(inputParameters.getPaymentInitiation())));
    }

    private List<String> getDuplicateCheckFields(CustomerCreditTransferInitiationV09 pain001) {
        List<String> data = new ArrayList<>();
        // your code here to populate data with the fields you want
        return data;
    }
}

    @Bean
    public DuplicatecheckexampleDomain duplicatecheckexampleDomain(ActorSystem actorSystem,
                                                                   CustomDuplicateCheckMappingMappingPort customDuplicateCheckMappingAdapter,
                                                                   Dispatcher floDispatcher) {
        return new DuplicatecheckexampleDomain.Builder(actorSystem)
                .withCustomDuplicateCheckMappingMappingAdapter(customDuplicateCheckMappingAdapter)
                .withDispatcher(floDispatcher)
                .build();
    }

You can find more details on using mapping functions at DSL 6 - Mapping Functions.