DATAMONGO-1040 - Derived delete should respect collection name.

Adding collection metadata allows to fine grained remove entities from specific collections using derived delete queries.

Original pull request: #223.

Author: christophstrobl

spring-data-mongodb/src/main/java/org/springframework/data/mongodb/repository/query/AbstractMongoQuery.java

@@ -418,7 +418,7 @@ Object execute(Query query) {
 		private Object deleteAndConvertResult(Query query, MongoEntityMetadata<?> metadata) {
 
 			if (method.isCollectionQuery()) {
-				return operations.findAllAndRemove(query, metadata.getJavaType());
+				return operations.findAllAndRemove(query, metadata.getJavaType(), metadata.getCollectionName());
 			}
 
 			WriteResult writeResult = operations.remove(query, metadata.getJavaType(), metadata.getCollectionName());

spring-data-mongodb/src/test/java/org/springframework/data/mongodb/repository/query/AbstractMongoQueryUnitTests.java

@@ -101,6 +101,7 @@ public void testDeleteExecutionCallsRemoveCorreclty() {
 
 	/**
 	 * @see DATAMONGO-566
+	 * @see DATAMONGO-1040
 	 */
 	@SuppressWarnings("unchecked")
 	@Test
@@ -111,7 +112,8 @@ public void testDeleteExecutionLoadsListOfRemovedDocumentsWhenReturnTypeIsCollec
 
 		createQueryForMethod("deleteByLastname", String.class).setDeleteQuery(true).execute(new Object[] { "booh" });
 
-		verify(this.mongoOperationsMock, times(1)).findAllAndRemove(Matchers.any(Query.class), Matchers.eq(Person.class));
+		verify(this.mongoOperationsMock, times(1)).findAllAndRemove(Matchers.any(Query.class), Matchers.eq(Person.class),
+				Matchers.eq("persons"));
 	}
 
 	/**