Expose RepositoryFragments as top level bean.

We now expose RepositoryFragments as a top level bean to be referenced when creating the actual repository.

Author: christophstrobl

src/main/java/org/springframework/data/repository/config/RepositoryBeanDefinitionBuilder.java

@@ -16,15 +16,18 @@
 package org.springframework.data.repository.config;
 
 import java.util.List;
+import java.util.Locale;
 import java.util.Optional;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 
+import org.springframework.beans.factory.config.RuntimeBeanReference;
 import org.springframework.beans.factory.support.AbstractBeanDefinition;
 import org.springframework.beans.factory.support.BeanDefinitionBuilder;
+import org.springframework.beans.factory.support.BeanDefinitionReaderUtils;
 import org.springframework.beans.factory.support.BeanDefinitionRegistry;
 import org.springframework.core.env.Environment;
 import org.springframework.core.io.ResourceLoader;
@@ -128,8 +131,9 @@ public BeanDefinitionBuilder build(RepositoryConfiguration<?> configuration) {
 
 		fragmentsBuilder.addConstructorArgValue(fragmentBeanNames);
 
-		builder.addPropertyValue("repositoryFragments",
-				ParsingUtils.getSourceBeanDefinition(fragmentsBuilder, configuration.getSource()));
+		String fragmentsBeanName = BeanDefinitionReaderUtils.uniqueBeanName(extension.getModuleName().toLowerCase(Locale.ROOT) + ".repo-fragments", registry);
+		registry.registerBeanDefinition(fragmentsBeanName, fragmentsBuilder.getBeanDefinition());
+		builder.addPropertyValue("repositoryFragments", new RuntimeBeanReference(fragmentsBeanName));
 
 		return builder;
 	}

src/test/java/org/springframework/data/repository/config/RepositoryBeanDefinitionRegistrarSupportUnitTests.java

@@ -78,6 +78,16 @@ void registersBeanDefinitionForFoundBean() {
 		assertNoBeanDefinitionRegisteredFor("profileRepository");
 	}
 
+
+	@Test // GH-2584
+	void shouldExposeFragmentsAsBean() {
+
+		AnnotationMetadata metadata = new StandardAnnotationMetadata(SampleConfiguration.class, true);
+
+		registrar.registerBeanDefinitions(metadata, registry);
+		verify(registry, atLeast(1)).registerBeanDefinition(eq("commons.repo-fragments#0"), any(BeanDefinition.class));
+	}
+
 	@Test // DATACMNS-1754
 	void registersBeanDefinitionForNestedRepositories() {