aiborodin commented on code in PR #13340: URL: https://github.com/apache/iceberg/pull/13340#discussion_r2156161454
########## flink/v2.0/flink/src/main/java/org/apache/iceberg/flink/sink/dynamic/convert/MapConverter.java: ########## @@ -0,0 +1,55 @@ +/* + * 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.dynamic.convert; + +import java.util.Map; +import org.apache.flink.table.data.ArrayData; +import org.apache.flink.table.data.GenericMapData; +import org.apache.flink.table.data.MapData; +import org.apache.flink.table.types.logical.MapType; +import org.apache.iceberg.relocated.com.google.common.collect.Maps; + +public class MapConverter implements DataConverter { + private final ArrayData.ElementGetter keyGetter; + private final ArrayData.ElementGetter valueGetter; + private final DataConverter keyConverter; + private final DataConverter valueConverter; + + public MapConverter(MapType sourceType, MapType targetType) { Review Comment: Yes, this needs to happen to cache field accessors: either implicitly as a lambda with captured converter arguments or explicitly as a class. The second option is more readable and maintainable. The memory footprint should be the same for both options. -- 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
