| /* |
| * 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.seatunnel.engine.checkpoint.storage.hdfs.common; |
| |
| import org.apache.seatunnel.engine.checkpoint.storage.exception.CheckpointStorageException; |
| |
| import org.apache.hadoop.conf.Configuration; |
| |
| import java.util.Map; |
| |
| public abstract class AbstractConfiguration { |
| |
| protected static final String HDFS_IMPL_KEY = "impl"; |
| |
| /** |
| * check the configuration keys |
| * |
| * @param config configuration |
| * @param keys keys |
| */ |
| void checkConfiguration(Map<String, String> config, String... keys) { |
| for (String key : keys) { |
| if (!config.containsKey(key) || null == config.get(key)) { |
| throw new IllegalArgumentException(key + " is required"); |
| } |
| } |
| } |
| |
| public abstract Configuration buildConfiguration(Map<String, String> config) |
| throws CheckpointStorageException; |
| |
| /** |
| * set extra options for configuration |
| * |
| * @param hadoopConf hadoop configuration |
| * @param config extra options |
| * @param prefix prefix of extra options |
| */ |
| void setExtraConfiguration( |
| Configuration hadoopConf, Map<String, String> config, String prefix) { |
| config.forEach( |
| (k, v) -> { |
| if (k.startsWith(prefix)) { |
| hadoopConf.set(k, v); |
| } |
| }); |
| } |
| } |