DATAJDBC-235 - JdbcConfiguration is now suitable to be extended.

All the methods in JdbcConfiguration are now protected so the class can be extended and the methods overwritten in order to customize the configuration of Spring Data JDBC.

src/main/java/org/springframework/data/jdbc/repository/config/JdbcConfiguration.java

@@ -38,7 +38,7 @@ import org.springframework.data.relational.core.mapping.RelationalMappingContext
 public class JdbcConfiguration {
 
 	@Bean
-	RelationalMappingContext jdbcMappingContext(Optional<NamingStrategy> namingStrategy,
+	protected RelationalMappingContext jdbcMappingContext(Optional<NamingStrategy> namingStrategy,
 			CustomConversions customConversions) {
 
 		RelationalMappingContext mappingContext = new RelationalMappingContext(
@@ -49,7 +49,7 @@ public class JdbcConfiguration {
 	}
 
 	@Bean
-	RelationalConverter relationalConverter(RelationalMappingContext mappingContext,
+	protected RelationalConverter relationalConverter(RelationalMappingContext mappingContext,
 			CustomConversions customConversions) {
 		return new BasicRelationalConverter(mappingContext, customConversions);
 	}
@@ -63,7 +63,7 @@ public class JdbcConfiguration {
 	 * @return must not be {@literal null}.
 	 */
 	@Bean
-	CustomConversions jdbcCustomConversions() {
+	protected CustomConversions jdbcCustomConversions() {
 		return new JdbcCustomConversions();
 	}
 }