| /* |
| * 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.sync.common.util; |
| |
| import org.apache.hudi.common.util.StringUtils; |
| |
| import org.apache.hadoop.conf.Configuration; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.Properties; |
| |
| public class ConfigUtils { |
| /** |
| * Config stored in hive serde properties to tell query engine (spark/flink) to |
| * read the table as a read-optimized table when this config is true. |
| */ |
| public static final String IS_QUERY_AS_RO_TABLE = "hoodie.query.as.ro.table"; |
| |
| /** |
| * Config stored in hive serde properties to tell query engine (spark) the |
| * location to read. |
| */ |
| public static final String TABLE_SERDE_PATH = "path"; |
| |
| /** |
| * Convert the key-value config to a map.The format of the config |
| * is a key-value pair just like "k1=v1\nk2=v2\nk3=v3". |
| * |
| * @param keyValueConfig |
| * @return |
| */ |
| public static Map<String, String> toMap(String keyValueConfig) { |
| if (StringUtils.isNullOrEmpty(keyValueConfig)) { |
| return new HashMap<>(); |
| } |
| String[] keyvalues = keyValueConfig.split("\n"); |
| Map<String, String> tableProperties = new HashMap<>(); |
| for (String keyValue : keyvalues) { |
| // Handle multiple new lines and lines that contain only spaces after splitting |
| if (keyValue.trim().isEmpty()) { |
| continue; |
| } |
| String[] keyValueArray = keyValue.split("="); |
| if (keyValueArray.length == 1 || keyValueArray.length == 2) { |
| String key = keyValueArray[0].trim(); |
| String value = keyValueArray.length == 2 ? keyValueArray[1].trim() : ""; |
| tableProperties.put(key, value); |
| } else { |
| throw new IllegalArgumentException("Bad key-value config: " + keyValue + ", must be the" |
| + " format 'key = value'"); |
| } |
| } |
| return tableProperties; |
| } |
| |
| /** |
| * Convert map config to key-value string.The format of the config |
| * is a key-value pair just like "k1=v1\nk2=v2\nk3=v3". |
| * |
| * @param config |
| * @return |
| */ |
| public static String configToString(Map<String, String> config) { |
| if (config == null) { |
| return null; |
| } |
| StringBuilder sb = new StringBuilder(); |
| for (Map.Entry<String, String> entry : config.entrySet()) { |
| if (sb.length() > 0) { |
| sb.append("\n"); |
| } |
| sb.append(entry.getKey()).append("=").append(entry.getValue()); |
| } |
| return sb.toString(); |
| } |
| |
| public static Configuration createHadoopConf(Properties props) { |
| Configuration hadoopConf = new Configuration(); |
| props.stringPropertyNames().forEach(k -> hadoopConf.set(k, props.getProperty(k))); |
| return hadoopConf; |
| } |
| |
| } |