| /* |
| * 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.ozone.container.metadata; |
| |
| import org.apache.hadoop.hdds.conf.ConfigurationSource; |
| import org.apache.hadoop.hdds.protocol.proto. |
| StorageContainerDatanodeProtocolProtos.DeletedBlocksTransaction; |
| import org.apache.hadoop.hdds.utils.db.Table; |
| |
| import java.io.IOException; |
| |
| /** |
| * Constructs a datanode store in accordance with schema version 2, which uses |
| * three column families/tables: |
| * 1. A block data table. |
| * 2. A metadata table. |
| * 3. A Delete Transaction Table. |
| */ |
| public class DatanodeStoreSchemaTwoImpl extends AbstractDatanodeStore { |
| |
| private final Table<Long, DeletedBlocksTransaction> |
| deleteTransactionTable; |
| |
| /** |
| * Constructs the datanode store and starts the DB Services. |
| * |
| * @param config - Ozone Configuration. |
| * @throws IOException - on Failure. |
| */ |
| public DatanodeStoreSchemaTwoImpl(ConfigurationSource config, |
| long containerID, String dbPath, boolean openReadOnly) |
| throws IOException { |
| super(config, containerID, new DatanodeSchemaTwoDBDefinition(dbPath), |
| openReadOnly); |
| this.deleteTransactionTable = new DatanodeSchemaTwoDBDefinition(dbPath) |
| .getDeleteTransactionsColumnFamily().getTable(getStore()); |
| } |
| |
| public Table<Long, DeletedBlocksTransaction> getDeleteTransactionTable() { |
| return deleteTransactionTable; |
| } |
| } |