Make the DataAccessStrategy a Spring Plugin [DATAJDBC-139]

Jens Schauder opened DATAJDBC-139 and commented

Configuration could then look similar to this:

@Configuration
@EnableJdbcRepositories
class Config {

    @Bean
    Whatever foo(WhateverRegistry registry) {

        registry.withCustomizedDefault(Class<?> domainType, Function<DDAS, DAS> function);

        registry.withCustomizedDefault(Customer.class, CustomDAS.class)
        registry.withCustomizedDefault(Object.class, CustomDAS::new);
        registry.withCustomizedDefault(Customer.class, defaultDAS -> new CustomDAS(defaultDAS));

        registry.withDataAccess(Object.class, new MyCustomDefaultDataAccessStrategy(…));
        registry.withDataAccess(Customer.class, new JooqDataAccessStrategy());
    }

    @Bean
    DataAccStrategy customerDAS() {
        return new JooqDAS(Customer.class) //
            .…;
    }
}

class CustomDAS extends DelegatingDAS {

    findById(ID id, Class<?> domainType) {

        if (Foo.class.)
    }
}

interface DAS extends Plugin<Delimiter> {

    boolean supports(Delimiter delimiter);
}

abstract class TypeBasedDataAccess implements DAS {

    private final Class<?> supportedDomainType;

    boolean supports(Delimiter delimiter) {
        return delimiter.matches(supportedDomainType);
    }
}

interface OrderRepository extends CrudRepository<Order, Long> {}

interface CustomerRepository extends CrudRepository<Customer, Long> {}

No further details from DATAJDBC-139