| /* |
| * 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.hudi.cli; |
| |
| import org.apache.hudi.common.model.TimelineLayoutVersion; |
| import org.apache.hudi.common.table.HoodieTableMetaClient; |
| import org.apache.hudi.common.util.ConsistencyGuardConfig; |
| import org.apache.hudi.common.util.FSUtils; |
| import org.apache.hudi.common.util.Option; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.fs.FileSystem; |
| |
| import java.io.IOException; |
| |
| |
| /** |
| * This class is responsible to load table metadata and hoodie related configs. |
| */ |
| public class HoodieCLI { |
| |
| public static Configuration conf; |
| public static ConsistencyGuardConfig consistencyGuardConfig = ConsistencyGuardConfig.newBuilder().build(); |
| public static FileSystem fs; |
| public static CLIState state = CLIState.INIT; |
| public static String basePath; |
| protected static HoodieTableMetaClient tableMetadata; |
| public static HoodieTableMetaClient syncTableMetadata; |
| public static TimelineLayoutVersion layoutVersion; |
| |
| /** |
| * Enum for CLI state. |
| */ |
| public enum CLIState { |
| INIT, TABLE, SYNC |
| } |
| |
| public static void setConsistencyGuardConfig(ConsistencyGuardConfig config) { |
| consistencyGuardConfig = config; |
| } |
| |
| private static void setTableMetaClient(HoodieTableMetaClient tableMetadata) { |
| HoodieCLI.tableMetadata = tableMetadata; |
| } |
| |
| private static void setBasePath(String basePath) { |
| HoodieCLI.basePath = basePath; |
| } |
| |
| private static void setLayoutVersion(Integer layoutVersion) { |
| HoodieCLI.layoutVersion = new TimelineLayoutVersion( |
| (layoutVersion == null) ? TimelineLayoutVersion.CURR_VERSION : layoutVersion); |
| } |
| |
| public static boolean initConf() { |
| if (HoodieCLI.conf == null) { |
| HoodieCLI.conf = FSUtils.prepareHadoopConf(new Configuration()); |
| return true; |
| } |
| return false; |
| } |
| |
| public static void initFS(boolean force) throws IOException { |
| if (fs == null || force) { |
| fs = (tableMetadata != null) ? tableMetadata.getFs() : FileSystem.get(conf); |
| } |
| } |
| |
| public static void refreshTableMetadata() { |
| setTableMetaClient(new HoodieTableMetaClient(HoodieCLI.conf, basePath, false, HoodieCLI.consistencyGuardConfig, |
| Option.of(layoutVersion))); |
| } |
| |
| public static void connectTo(String basePath, Integer layoutVersion) { |
| setBasePath(basePath); |
| setLayoutVersion(layoutVersion); |
| refreshTableMetadata(); |
| } |
| |
| /** |
| * Get tableMetadata, throw NullPointerException when it is null. |
| * |
| * @return tableMetadata which is instance of HoodieTableMetaClient |
| */ |
| public static HoodieTableMetaClient getTableMetaClient() { |
| if (tableMetadata == null) { |
| throw new NullPointerException("There is no hudi table. Please use connect command to set table first"); |
| } |
| return tableMetadata; |
| } |
| |
| } |