stevenzwu commented on code in PR #6382: URL: https://github.com/apache/iceberg/pull/6382#discussion_r1130256726
########## flink/v1.16/flink/src/main/java/org/apache/iceberg/flink/sink/shuffle/DataStatisticsAndRecordWrapper.java: ########## @@ -0,0 +1,82 @@ +/* + * 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.iceberg.flink.sink.shuffle; + +import java.io.Serializable; +import org.apache.iceberg.flink.sink.shuffle.statistics.DataStatistics; +import org.apache.iceberg.relocated.com.google.common.base.MoreObjects; +import org.apache.iceberg.relocated.com.google.common.base.Preconditions; + +/** + * The wrapper class for data statistics and record. It is the only way for data statistics operator to send + * global data statistics to custom partitioner to distribute data based on statistics + * + * <p>DataStatisticsAndRecordWrapper is sent from {@link DataStatisticsOperator} to partitioner. It + * contains either data statistics(globally aggregated) or a record. Once partitioner receives the data + * statistics, it will use that to decide the coming record should send to which writer subtask. After + * shuffling, a filter and mapper are required to filter out the data distribution weight, unwrap the + * object and extract the original record type T. + */ +public class DataStatisticsAndRecordWrapper<T, K> implements Serializable { Review Comment: `DataStatisticsOrRecord` sounds good to me -- 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: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
