fanaticjo commented on a change in pull request #3035: URL: https://github.com/apache/hudi/pull/3035#discussion_r676157680
########## File path: hudi-common/src/main/java/org/apache/hudi/common/model/OverwriteWithCustomAvroPayload.java ########## @@ -0,0 +1,107 @@ +/* + * 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.common.model; + +import org.apache.hudi.common.util.Option; +import org.apache.hudi.exception.ColumnNotFoundException; +import org.apache.hudi.exception.UpdateKeyNotFoundException; +import org.apache.hudi.exception.WriteOperationException; + +import org.apache.avro.Schema; +import org.apache.avro.generic.GenericRecord; +import org.apache.avro.generic.IndexedRecord; + +import java.io.IOException; +import java.util.ArrayList; +import java.util.Arrays; +import java.util.List; +import java.util.Properties; +import java.util.stream.Collectors; + +/** + * subclass of OverwriteWithLatestAvroPayload used for delta streamer. + * + * <ol> + * <li> combineAndGetUpdateValue - Accepts the column names to be updated; + * <li> splitKeys - Split keys based upon keys; + * </ol> + */ +public class OverwriteWithCustomAvroPayload extends OverwriteWithLatestAvroPayload { + + public OverwriteWithCustomAvroPayload(GenericRecord record, Comparable orderingVal) { + super(record, orderingVal); + } + + /** + * split keys over. + */ + public List<String> splitKeys(String keys) throws UpdateKeyNotFoundException { + if (keys == null) { + throw new UpdateKeyNotFoundException("keys cannot be null"); + } else if (keys.equals("")) { + throw new UpdateKeyNotFoundException("keys cannot be blank"); + } else { + return Arrays.stream(keys.split(",")).collect(Collectors.toList()); + } + } + + /** + * check column exi. + */ + public boolean checkColumnExists(List<String> keys, Schema schema) { + List<Schema.Field> field = schema.getFields(); + List<Schema.Field> common = new ArrayList<>(); + for (Schema.Field columns : field) { + if (keys.contains(columns.name())) { + common.add(columns); + } + } + return common.size() == keys.size(); + } + + @Override + public Option<IndexedRecord> combineAndGetUpdateValue(IndexedRecord currentValue, Schema schema, Properties properties) + throws WriteOperationException, IOException, ColumnNotFoundException, UpdateKeyNotFoundException { + + if (!properties.getProperty("hoodie.datasource.write.operation").equals("upsert")) { + throw new WriteOperationException("write should be upsert"); + } + + Option<IndexedRecord> recordOption = getInsertValue(schema); + + if (!recordOption.isPresent()) { + return Option.empty(); + } + Review comment: @nsivabalan any updates ? -- 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. To unsubscribe, e-mail: commits-unsubscr...@hudi.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
