How to use

getQueryLookupStrategy

method

in

org.springframework.data.repository.core.support.RepositoryFactorySupport

/**
 * Creates a new {@link QueryExecutorMethodInterceptor}. Builds a model of {@link QueryMethod}s to be invoked on
 * execution of repository interface methods.
 */
public QueryExecutorMethodInterceptor(RepositoryInformation repositoryInformation,
    ProjectionFactory projectionFactory) {
  this.resultHandler = new QueryExecutionResultHandler();
  Optional<QueryLookupStrategy> lookupStrategy = getQueryLookupStrategy(queryLookupStrategyKey,
      RepositoryFactorySupport.this.evaluationContextProvider);
  if (!lookupStrategy.isPresent() && repositoryInformation.hasQueryMethods()) {
    throw new IllegalStateException("You have defined query method in the repository but "
        + "you don't have any query lookup strategy defined. The "
        + "infrastructure apparently does not support query methods!");
  }
  this.queries = lookupStrategy //
      .map(it -> mapMethodsToQuery(repositoryInformation, it, projectionFactory)) //
      .orElse(Collections.emptyMap());
}

/**
 * Creates a new {@link QueryExecutorMethodInterceptor}. Builds a model of {@link QueryMethod}s to be invoked on
 * execution of repository interface methods.
 */
public QueryExecutorMethodInterceptor(RepositoryInformation repositoryInformation, Object customImplementation,
    Object target) {
  this.repositoryInformation = repositoryInformation;
  this.customImplementation = customImplementation;
  this.target = target;
  QueryLookupStrategy lookupStrategy = getQueryLookupStrategy(queryLookupStrategyKey);
  Iterable<Method> queryMethods = repositoryInformation.getQueryMethods();
  if (lookupStrategy == null) {
    if (queryMethods.iterator().hasNext()) {
      throw new IllegalStateException("You have defined query method in the repository but "
          + "you don't have no query lookup strategy defined. The "
          + "infrastructure apparently does not support query methods!");
    }
    return;
  }
  for (Method method : queryMethods) {
    RepositoryQuery query = lookupStrategy.resolveQuery(method, repositoryInformation, namedQueries);
    invokeListeners(query);
    queries.put(method, query);
  }
}