rodmeneses commented on code in PR #11144: URL: https://github.com/apache/iceberg/pull/11144#discussion_r1777744788
########## flink/v1.20/flink/src/main/java/org/apache/iceberg/flink/maintenance/api/MaintenanceTaskBuilder.java: ########## @@ -0,0 +1,223 @@ +/* + * 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.maintenance.api; + +import java.time.Duration; +import org.apache.flink.annotation.Internal; +import org.apache.flink.annotation.PublicEvolving; +import org.apache.flink.api.common.operators.util.OperatorValidationUtils; +import org.apache.flink.streaming.api.datastream.DataStream; +import org.apache.flink.streaming.api.datastream.SingleOutputStreamOperator; +import org.apache.iceberg.flink.TableLoader; +import org.apache.iceberg.flink.maintenance.operator.TriggerEvaluator; +import org.apache.iceberg.relocated.com.google.common.base.Preconditions; + +@PublicEvolving +@SuppressWarnings("unchecked") +public abstract class MaintenanceTaskBuilder<T extends MaintenanceTaskBuilder<?>> { + private int index; + private String name; + private TableLoader tableLoader; + private String uidSuffix = null; + private String slotSharingGroup = null; + private Integer parallelism = null; + private final TriggerEvaluator.Builder triggerEvaluator = new TriggerEvaluator.Builder(); + + abstract DataStream<TaskResult> append(DataStream<Trigger> sourceStream); + + /** + * After a given number of Iceberg table commits since the last run, starts the downstream job. + * + * @param commitCount after the downstream job should be started + */ + public T scheduleOnCommitCount(int commitCount) { + triggerEvaluator.commitCount(commitCount); + return (T) this; + } + + /** + * After a given number of new data files since the last run, starts the downstream job. + * + * @param dataFileCount after the downstream job should be started + */ + public T scheduleOnDataFileCount(int dataFileCount) { + triggerEvaluator.dataFileCount(dataFileCount); + return (T) this; + } + + /** + * After a given aggregated data file size since the last run, starts the downstream job. + * + * @param dataFileSizeInBytes after the downstream job should be started + */ + public T scheduleOnDataFileSize(long dataFileSizeInBytes) { + triggerEvaluator.dataFileSizeInBytes(dataFileSizeInBytes); + return (T) this; + } + + /** + * After a given number of new positional delete files since the last run, starts the downstream + * job. + * + * @param posDeleteFileCount after the downstream job should be started + */ + public T scheduleOnPosDeleteFileCount(int posDeleteFileCount) { + triggerEvaluator.posDeleteFileCount(posDeleteFileCount); + return (T) this; + } + + /** + * After a given number of new positional delete records since the last run, starts the downstream + * job. + * + * @param posDeleteRecordCount after the downstream job should be started + */ + public T scheduleOnPosDeleteRecordCount(long posDeleteRecordCount) { + triggerEvaluator.posDeleteRecordCount(posDeleteRecordCount); + return (T) this; + } + + /** + * After a given number of new equality delete files since the last run, starts the downstream + * job. + * + * @param eqDeleteFileCount after the downstream job should be started + */ + public T scheduleOnEqDeleteFileCount(int eqDeleteFileCount) { + triggerEvaluator.eqDeleteFileCount(eqDeleteFileCount); + return (T) this; + } + + /** + * After a given number of new equality delete records since the last run, starts the downstream + * job. + * + * @param eqDeleteRecordCount after the downstream job should be started + */ + public T scheduleOnEqDeleteRecordCount(long eqDeleteRecordCount) { + triggerEvaluator.eqDeleteRecordCount(eqDeleteRecordCount); + return (T) this; + } + + /** + * After a given time since the last run, starts the downstream job. + * + * @param interval after the downstream job should be started + */ + public T scheduleOnInterval(Duration interval) { + triggerEvaluator.timeout(interval); + return (T) this; + } + + /** + * The suffix used for the generated {@link org.apache.flink.api.dag.Transformation}'s uid. + * + * @param newUidSuffix for the transformations + */ + public T uidSuffix(String newUidSuffix) { + this.uidSuffix = newUidSuffix; + return (T) this; + } + + /** + * The {@link SingleOutputStreamOperator#slotSharingGroup(String)} for all the operators of the + * generated stream. Could be used to separate the resources used by this task. + * + * @param newSlotSharingGroup to be used for the operators + */ + public T slotSharingGroup(String newSlotSharingGroup) { + this.slotSharingGroup = newSlotSharingGroup; + return (T) this; + } + + /** + * Sets the parallelism for the stream. + * + * @param newParallelism the required parallelism + */ + public T parallelism(int newParallelism) { + OperatorValidationUtils.validateParallelism(newParallelism); + this.parallelism = newParallelism; + return (T) this; + } + + protected int index() { + return index; + } + + protected String name() { + return name; + } + + protected TableLoader tableLoader() { + return tableLoader; + } + + protected String uidSuffix() { + return uidSuffix; + } + + protected String slotSharingGroup() { + return slotSharingGroup; + } + + protected Integer parallelism() { + return parallelism; + } + + protected String operatorName(String operatorNameBase) { + return operatorNameBase + "[" + index() + "]"; + } + + @Internal + TriggerEvaluator evaluator() { + return triggerEvaluator.build(); + } + + @Internal + DataStream<TaskResult> append( + DataStream<Trigger> sourceStream, + int defaultTaskIndex, + String defaultTaskName, + TableLoader newTableLoader, + String mainUidSuffix, + String mainSlotSharingGroup, + int mainParallelism) { + Preconditions.checkNotNull(defaultTaskName, "Name should not be null"); Review Comment: nit: `Task Name` -- This is an automated message from the Apache Git Service. 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