szehon-ho commented on code in PR #7029: URL: https://github.com/apache/iceberg/pull/7029#discussion_r1134332339
########## spark/v3.3/spark/src/main/java/org/apache/iceberg/spark/ScanTaskSetManager.java: ########## @@ -0,0 +1,77 @@ +/* + * 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.spark; + +import java.util.List; +import java.util.Map; +import java.util.Set; +import java.util.stream.Collectors; +import org.apache.iceberg.HasTableOperations; +import org.apache.iceberg.ScanTask; +import org.apache.iceberg.Table; +import org.apache.iceberg.TableOperations; +import org.apache.iceberg.relocated.com.google.common.base.Preconditions; +import org.apache.iceberg.relocated.com.google.common.collect.Maps; +import org.apache.iceberg.util.Pair; + +public class ScanTaskSetManager { + + private static final ScanTaskSetManager INSTANCE = new ScanTaskSetManager(); + + private final Map<Pair<String, String>, List<ScanTask>> tasksMap = Maps.newConcurrentMap(); + + private ScanTaskSetManager() {} + + public static ScanTaskSetManager get() { + return INSTANCE; + } + + public void stageTasks(Table table, String setID, List<ScanTask> tasks) { + Preconditions.checkArgument( + tasks != null && tasks.size() > 0, "Cannot stage null or empty tasks"); + Pair<String, String> id = toID(table, setID); + tasksMap.put(id, tasks); + } + + public List<ScanTask> fetchTasks(Table table, String setID) { + Pair<String, String> id = toID(table, setID); + return tasksMap.get(id); + } + + public List<ScanTask> removeTasks(Table table, String setID) { Review Comment: Also part of just-merged #6924 . This is not used in write directly but later by RewriteDeleteFiles strategies. (ie, you can see FileScanTaskSetManager::removeTasks, it is used by RewriteDataFiles strategies) -- 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]
