| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| package org.apache.hadoop.hdds.utils.db; |
| |
| import java.io.IOException; |
| |
| /** |
| * Create and commit batch operation for one DB. |
| */ |
| public interface BatchOperationHandler { |
| |
| /** |
| * Initialize an atomic batch operation which can hold multiple PUT/DELETE |
| * operations and committed later in one step. |
| * |
| * @return BatchOperation holder which can be used to add or commit batch |
| * operations. |
| */ |
| BatchOperation initBatchOperation(); |
| |
| /** |
| * Commit the batch operations. |
| * |
| * @param operation which contains all the required batch operation. |
| * @throws IOException on Failure. |
| */ |
| void commitBatchOperation(BatchOperation operation) throws IOException; |
| } |