DATACMNS-631 - Made RepositoryFactorySupport.getRepositoryMetadata(…) protected.

Some JavaDoc polishes.

Author: odrotbohm

src/main/java/org/springframework/data/repository/core/support/RepositoryFactorySupport.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2008-2014 the original author or authors.
+ * Copyright 2008-2015 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -192,10 +192,10 @@ public <T> T getRepository(Class<T> repositoryInterface, Object customImplementa
 	/**
 	 * Returns the {@link RepositoryMetadata} for the given repository interface.
 	 * 
-	 * @param repositoryInterface
+	 * @param repositoryInterface will never be {@literal null}.
 	 * @return
 	 */
-	RepositoryMetadata getRepositoryMetadata(Class<?> repositoryInterface) {
+	protected RepositoryMetadata getRepositoryMetadata(Class<?> repositoryInterface) {
 		return AbstractRepositoryMetadata.getMetadata(repositoryInterface);
 	}