org.apache.hudi.sync.common.util.ConfigUtils Maven / Gradle / Ivy
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* 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 toMap(String keyValueConfig) {
if (StringUtils.isNullOrEmpty(keyValueConfig)) {
return new HashMap<>();
}
String[] keyvalues = keyValueConfig.split("\n");
Map 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 config) {
if (config == null) {
return null;
}
StringBuilder sb = new StringBuilder();
for (Map.Entry 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;
}
}