stevenzwu commented on code in PR #6382: URL: https://github.com/apache/iceberg/pull/6382#discussion_r1055124977
########## flink/v1.16/flink/src/main/java/org/apache/iceberg/flink/sink/shuffle/ShuffleRecordWrapper.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 java.util.Map; +import org.apache.flink.annotation.Internal; +import org.apache.iceberg.relocated.com.google.common.base.Preconditions; + +/** + * The wrapper class for record and data distribution weight + * + * <p>ShuffleRecordWrapper is sent from ShuffleOperator to partitioner. It may contain a record or + * data distribution weight. Once partitioner receives the weight, 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. + */ +@Internal +public class ShuffleRecordWrapper<T, K extends Serializable> implements Serializable { + + private static final long serialVersionUID = 1L; + + private final Map<K, Long> globalDataDistributionWeight; Review Comment: @zinking what do you mean `channel Id`? the downstream channel/subtask id? -- 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: issues-unsubscr...@iceberg.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@iceberg.apache.org For additional commands, e-mail: issues-h...@iceberg.apache.org
