Refine dependency lookup in `JdbcRepositoryFactoryBean.afterPropertiesSet()`.

Removed `@Autowired(required = false)` for JdbcRepositoryFactoryBean.setQueryMappingConfiguration in favor of programmatic lookup.

Signed-off-by: Sergey Korotaev <sergey.evgen.kor2501@gmail.com>
Closes #2070

spring-data-jdbc/src/main/java/org/springframework/data/jdbc/repository/support/JdbcRepositoryFactoryBean.java

@@ -16,9 +16,7 @@
 package org.springframework.data.jdbc.repository.support;
 
 import java.io.Serializable;
-
 import org.springframework.beans.factory.BeanFactory;
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.ApplicationEventPublisher;
 import org.springframework.context.ApplicationEventPublisherAware;
 import org.springframework.data.jdbc.core.convert.DataAccessStrategy;
@@ -49,6 +47,7 @@ import org.springframework.util.Assert;
  * @author Hebert Coelho
  * @author Chirag Tailor
  * @author Mikhail Polivakha
+ * @author Sergey Korotaev
  */
 public class JdbcRepositoryFactoryBean<T extends Repository<S, ID>, S, ID extends Serializable>
 		extends TransactionalRepositoryFactoryBeanSupport<T, S, ID> implements ApplicationEventPublisherAware {
@@ -58,7 +57,7 @@ public class JdbcRepositoryFactoryBean<T extends Repository<S, ID>, S, ID extend
 	private RelationalMappingContext mappingContext;
 	private JdbcConverter converter;
 	private DataAccessStrategy dataAccessStrategy;
-	private QueryMappingConfiguration queryMappingConfiguration = QueryMappingConfiguration.EMPTY;
+	private QueryMappingConfiguration queryMappingConfiguration;
 	private NamedParameterJdbcOperations operations;
 	private EntityCallbacks entityCallbacks;
 	private Dialect dialect;
@@ -124,7 +123,6 @@ public class JdbcRepositoryFactoryBean<T extends Repository<S, ID>, S, ID extend
 	 * @param queryMappingConfiguration can be {@literal null}. {@link #afterPropertiesSet()} defaults to
 	 *          {@link QueryMappingConfiguration#EMPTY} if {@literal null}.
 	 */
-	@Autowired(required = false)
 	public void setQueryMappingConfiguration(QueryMappingConfiguration queryMappingConfiguration) {
 
 		Assert.notNull(queryMappingConfiguration, "QueryMappingConfiguration must not be null");
@@ -157,9 +155,14 @@ public class JdbcRepositoryFactoryBean<T extends Repository<S, ID>, S, ID extend
 	@Override
 	public void afterPropertiesSet() {
 
-		Assert.state(this.mappingContext != null, "MappingContext is required and must not be null");
 		Assert.state(this.converter != null, "RelationalConverter is required and must not be null");
 
+		if (mappingContext == null) {
+			Assert.state(beanFactory != null, "If no MappingContext are set a BeanFactory must be available");
+
+			this.mappingContext = beanFactory.getBean(RelationalMappingContext.class);
+		}
+
 		if (this.operations == null) {
 
 			Assert.state(beanFactory != null, "If no JdbcOperations are set a BeanFactory must be available");
@@ -168,7 +171,10 @@ public class JdbcRepositoryFactoryBean<T extends Repository<S, ID>, S, ID extend
 		}
 
 		if (this.queryMappingConfiguration == null) {
-			this.queryMappingConfiguration = QueryMappingConfiguration.EMPTY;
+			Assert.state(beanFactory != null, "If no QueryMappingConfiguration are set a BeanFactory must be available");
+
+			this.queryMappingConfiguration = beanFactory.getBeanProvider(QueryMappingConfiguration.class)
+					.getIfAvailable(() -> QueryMappingConfiguration.EMPTY);
 		}
 
 		if (this.dataAccessStrategy == null) {

spring-data-jdbc/src/test/java/org/springframework/data/jdbc/repository/support/JdbcRepositoryFactoryBeanUnitTests.java

@@ -78,9 +78,14 @@ public class JdbcRepositoryFactoryBeanUnitTests {
 
 		when(beanFactory.getBean(NamedParameterJdbcOperations.class)).thenReturn(mock(NamedParameterJdbcOperations.class));
 
-		ObjectProvider<DataAccessStrategy> provider = mock(ObjectProvider.class);
-		when(beanFactory.getBeanProvider(DataAccessStrategy.class)).thenReturn(provider);
-		when(provider.getIfAvailable(any()))
+		ObjectProvider<DataAccessStrategy> dataAccessStrategyObjectProvider = mock(ObjectProvider.class);
+		ObjectProvider<QueryMappingConfiguration> queryMappingConfigurationObjectProvider = mock(ObjectProvider.class);
+		when(beanFactory.getBeanProvider(DataAccessStrategy.class)).thenReturn(dataAccessStrategyObjectProvider);
+		when(beanFactory.getBeanProvider(QueryMappingConfiguration.class)).thenReturn(queryMappingConfigurationObjectProvider);
+		when(beanFactory.getBean(RelationalMappingContext.class)).thenReturn(mappingContext);
+		when(dataAccessStrategyObjectProvider.getIfAvailable(any()))
+				.then((Answer<?>) invocation -> ((Supplier<?>) invocation.getArgument(0)).get());
+		when(queryMappingConfigurationObjectProvider.getIfAvailable(any()))
 				.then((Answer<?>) invocation -> ((Supplier<?>) invocation.getArgument(0)).get());
 	}
 
@@ -114,7 +119,6 @@ public class JdbcRepositoryFactoryBeanUnitTests {
 	@Test // DATAJDBC-155
 	public void afterPropertiesSetDefaultsNullablePropertiesCorrectly() {
 
-		factoryBean.setMappingContext(mappingContext);
 		factoryBean.setConverter(new MappingJdbcConverter(mappingContext, dataAccessStrategy));
 		factoryBean.setApplicationEventPublisher(publisher);
 		factoryBean.setBeanFactory(beanFactory);
@@ -126,6 +130,8 @@ public class JdbcRepositoryFactoryBeanUnitTests {
 				.isInstanceOf(DefaultDataAccessStrategy.class);
 		assertThat(ReflectionTestUtils.getField(factoryBean, "queryMappingConfiguration"))
 				.isEqualTo(QueryMappingConfiguration.EMPTY);
+		assertThat(ReflectionTestUtils.getField(factoryBean, "mappingContext"))
+				.isEqualTo(mappingContext);
 	}
 
 	private static class DummyEntity {