Guosmilesmile commented on code in PR #12979: URL: https://github.com/apache/iceberg/pull/12979#discussion_r2115917851
########## flink/v1.20/flink/src/main/java/org/apache/iceberg/flink/sink/CommittableToTableChangeConverter.java: ########## @@ -0,0 +1,222 @@ +/* + * 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; + +import java.util.List; +import java.util.Map; +import java.util.NavigableMap; +import java.util.Set; +import org.apache.flink.annotation.VisibleForTesting; +import org.apache.flink.api.common.functions.OpenContext; +import org.apache.flink.api.common.state.ListState; +import org.apache.flink.api.common.state.ListStateDescriptor; +import org.apache.flink.api.common.typeinfo.TypeHint; +import org.apache.flink.api.common.typeinfo.TypeInformation; +import org.apache.flink.api.java.tuple.Tuple2; +import org.apache.flink.core.io.SimpleVersionedSerialization; +import org.apache.flink.runtime.state.FunctionInitializationContext; +import org.apache.flink.runtime.state.FunctionSnapshotContext; +import org.apache.flink.streaming.api.checkpoint.CheckpointedFunction; +import org.apache.flink.streaming.api.connector.sink2.CommittableMessage; +import org.apache.flink.streaming.api.connector.sink2.CommittableWithLineage; +import org.apache.flink.streaming.api.functions.ProcessFunction; +import org.apache.flink.util.Collector; +import org.apache.iceberg.DataFile; +import org.apache.iceberg.DeleteFile; +import org.apache.iceberg.ManifestFile; +import org.apache.iceberg.ManifestFiles; +import org.apache.iceberg.PartitionSpec; +import org.apache.iceberg.Table; +import org.apache.iceberg.flink.TableLoader; +import org.apache.iceberg.flink.maintenance.operator.TableChange; +import org.apache.iceberg.io.CloseableIterable; +import org.apache.iceberg.io.FileIO; +import org.apache.iceberg.relocated.com.google.common.base.Preconditions; +import org.apache.iceberg.relocated.com.google.common.collect.Iterables; +import org.apache.iceberg.relocated.com.google.common.collect.Lists; +import org.apache.iceberg.relocated.com.google.common.collect.Maps; +import org.apache.iceberg.relocated.com.google.common.collect.Sets; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +public class CommittableToTableChangeConverter + extends ProcessFunction<CommittableMessage<IcebergCommittable>, TableChange> + implements CheckpointedFunction { + + private static final Logger LOG = + LoggerFactory.getLogger(CommittableToTableChangeConverter.class); + + private final TableLoader tableLoader; + private transient FileIO io; + private transient String tableName; + private transient Map<Integer, PartitionSpec> specs; + private transient ListState<Tuple2<Long, String>> manifestFilesCommitedState; + private transient Set<String> manifestFilesCommitedSet; + private transient List<Tuple2<Long, String>> manifestFilesCommitedList; + private transient String flinkJobId; + // Maximum number of manifests to be committed at a time. + // It is hardcoded for now, we can revisit in the future if config is needed. + private int maxSize = 1000; + + public CommittableToTableChangeConverter(TableLoader tableLoader) { + Preconditions.checkNotNull(tableLoader, "TableLoader should not be null"); + this.tableLoader = tableLoader; + } + + @VisibleForTesting + CommittableToTableChangeConverter(TableLoader tableLoader, int maxSize) { + Preconditions.checkNotNull(tableLoader, "TableLoader should not be null"); + this.tableLoader = tableLoader; + this.maxSize = maxSize; + } + + @Override + public void initializeState(FunctionInitializationContext context) throws Exception { Review Comment: All right! -- 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
