wangxianghu commented on a change in pull request #2993: URL: https://github.com/apache/hudi/pull/2993#discussion_r645997489
########## File path: hudi-client/hudi-client-common/src/main/java/org/apache/hudi/keygen/factory/HoodieAvroKeyGeneratorFactory.java ########## @@ -0,0 +1,94 @@ +/* + * 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.keygen.factory; + +import org.apache.hudi.common.config.TypedProperties; +import org.apache.hudi.common.util.ReflectionUtils; +import org.apache.hudi.common.util.StringUtils; +import org.apache.hudi.config.HoodieWriteConfig; +import org.apache.hudi.exception.HoodieKeyGeneratorException; +import org.apache.hudi.keygen.ComplexAvroKeyGenerator; +import org.apache.hudi.keygen.CustomAvroKeyGenerator; +import org.apache.hudi.keygen.GlobalAvroDeleteKeyGenerator; +import org.apache.hudi.keygen.KeyGenerator; +import org.apache.hudi.keygen.NonpartitionedAvroKeyGenerator; +import org.apache.hudi.keygen.SimpleAvroKeyGenerator; +import org.apache.hudi.keygen.TimestampBasedAvroKeyGenerator; +import org.apache.hudi.keygen.constant.KeyGeneratorType; + +import java.io.IOException; +import java.util.Locale; +import java.util.Objects; + +/** + * Factory help to create {@link org.apache.hudi.keygen.KeyGenerator}. + * <p> + * This factory will try {@link HoodieWriteConfig#KEYGENERATOR_CLASS_PROP} firstly, this ensures the class prop + * will not be overwritten by {@link KeyGeneratorType} + */ +public class HoodieAvroKeyGeneratorFactory { + public static KeyGenerator createKeyGenerator(TypedProperties props) throws IOException { + // keyGenerator class name has higher priority + KeyGenerator keyGenerator = createKeyGeneratorByClassName(props); + return Objects.isNull(keyGenerator) ? createKeyGeneratorByType(props) : keyGenerator; + } + + public static KeyGenerator createKeyGeneratorByClassName(TypedProperties props) throws IOException { Review comment: > now I get the flow. I guess this has to be moved to a Utils class so that both keyGens can use it. done -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org
