How to bootstrap Spring Data KeyValue?

Question

Spring Data KeyValue looks great for quickly knocking up a mock microservice. How can I bootstrap it with data?

I tried adding stuff to the KeyValueAdapter, but by specifying the bean myself, I've ended up with Repositorys that have been wired with a different KeyValueAdapter, and so don't have the data available.

@Configuration @EnableMapRepositories public class PersistenceConfig { @Bean public KeyValueAdapter keyValueAdapter() { KeyValueAdapter adapter = new MapKeyValueAdapter(ConcurrentHashMap.class); Account testAccount = new Account(); testAccount.id = "dj-asc-test"; testAccount.givenName = "Gertrude"; adapter.put(testAccount.id, testAccount, "accounts"); Account read = (Account) adapter.get("dj-asc-test", "accounts"); Assert.notNull(read); return adapter; } }

Oliver Drotbohm · Accepted Answer · 2016-02-09 17:45:17Z

I guess you'd rather use a repository as the adapter is basically in place to plug other Map implementations. Assume you have a PersonRepository like this:

interface PersonRepository extends CrudRepository<Person, Long> { … }

Then this should work:

@Configuration @EnableMapRepositories class Application { @Autowired PersonRepository repository; @PostConstruct public void init() { repository.save(new Person(…)); } }

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