DATAES-264 - Make available the entity class of the repository so generic code can be written more easily.

Author: gzsombor

src/main/java/org/springframework/data/elasticsearch/repository/ElasticsearchRepository.java

@@ -43,4 +43,6 @@ public interface ElasticsearchRepository<T, ID extends Serializable> extends Ela
 	Page<T> searchSimilar(T entity, String[] fields, Pageable pageable);
 
 	void refresh();
+
+	Class<T> getEntityClass();
 }

src/main/java/org/springframework/data/elasticsearch/repository/support/AbstractElasticsearchRepository.java

@@ -276,6 +276,7 @@ private ParameterizedType resolveReturnedClassFromGenericType(Class<?> clazz) {
 		return resolveReturnedClassFromGenericType(clazz.getSuperclass());
 	}
 
+	@Override
 	public Class<T> getEntityClass() {
 		if (!isEntityClassSet()) {
 			try {