DATAGRAPH-847 - deleteAll() invoked delete(Object) instead of deleteAll(Class).

spring-data-neo4j/src/main/java/org/springframework/data/neo4j/repository/GraphRepositoryImpl.java

@@ -94,7 +94,7 @@ public class GraphRepositoryImpl<T> implements GraphRepository<T> {
 
     @Override
     public void deleteAll() {
-        neo4jOperations.delete(clazz);
+        neo4jOperations.deleteAll(clazz);
     }
 
     @Override

spring-data-neo4j/src/main/java/org/springframework/data/neo4j/template/Neo4jOperations.java

@@ -271,6 +271,12 @@ public interface Neo4jOperations {
      */
     void delete(Object entity);
 
+	/**
+     * Removes all nodes or relationship entities of a specific type from the graph.
+     * @param type the type of entity to delete
+     */
+    <T> void deleteAll(Class<T> type);
+
     /**
      * Removes all mapping information from the current session
      */

spring-data-neo4j/src/test/java/org/springframework/data/neo4j/repositories/ProgrammaticRepositoryTest.java

@@ -19,7 +19,9 @@ import org.neo4j.ogm.session.Session;
 import org.neo4j.ogm.session.SessionFactory;
 import org.neo4j.ogm.testutil.MultiDriverTestClass;
 import org.springframework.data.neo4j.repositories.domain.Movie;
+import org.springframework.data.neo4j.repositories.domain.User;
 import org.springframework.data.neo4j.repositories.repo.MovieRepository;
+import org.springframework.data.neo4j.repositories.repo.UserRepository;
 import org.springframework.data.neo4j.repository.support.GraphRepositoryFactory;
 import org.springframework.data.neo4j.template.Neo4jOperations;
 import org.springframework.data.neo4j.template.Neo4jTemplate;
@@ -62,4 +64,25 @@ public class ProgrammaticRepositoryTest extends MultiDriverTestClass {
         assertEquals(1, IterableUtils.count(movieRepository.findAll()));
     }
 
+	/**
+     * @see DATAGRAPH-847
+     */
+    @Test
+    public void shouldBeAbleToDeleteAllViaRepository() {
+
+        RepositoryFactorySupport factory = new GraphRepositoryFactory(session, neo4jOperations);
+
+        UserRepository userRepository = factory.getRepository(UserRepository.class);
+
+        User userA = new User("A");
+        User userB = new User("B");
+        userRepository.save(userA);
+        userRepository.save(userB);
+
+        assertEquals(2, userRepository.count());
+
+        userRepository.deleteAll();
+        assertEquals(0, userRepository.count());
+    }
+
 }