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[HUDI-3042] Abstract Spark update Strategy to make code more clean and remove duplicates #4845
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53 changes: 53 additions & 0 deletions
53
.../main/java/org/apache/hudi/client/clustering/update/strategy/BaseSparkUpdateStrategy.java
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| @@ -0,0 +1,53 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
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| package org.apache.hudi.client.clustering.update.strategy; | ||
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| import org.apache.hudi.client.common.HoodieSparkEngineContext; | ||
| import org.apache.hudi.common.model.HoodieFileGroupId; | ||
| import org.apache.hudi.common.model.HoodieRecord; | ||
| import org.apache.hudi.common.model.HoodieRecordPayload; | ||
| import org.apache.hudi.table.action.cluster.strategy.UpdateStrategy; | ||
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| import org.apache.spark.api.java.JavaRDD; | ||
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| import java.util.List; | ||
| import java.util.Set; | ||
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| /** | ||
| * Spark base update strategy, write records to the file groups which are in clustering | ||
| * need to check. Spark relate implementations should extend this base class. | ||
| */ | ||
| public abstract class BaseSparkUpdateStrategy<T extends HoodieRecordPayload<T>> extends UpdateStrategy<T, JavaRDD<HoodieRecord<T>>> { | ||
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| public BaseSparkUpdateStrategy(HoodieSparkEngineContext engineContext, | ||
| Set<HoodieFileGroupId> fileGroupsInPendingClustering) { | ||
| super(engineContext, fileGroupsInPendingClustering); | ||
| } | ||
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| /** | ||
| * Get records matched file group ids. | ||
| * @param inputRecords the records to write, tagged with target file id | ||
| * @return the records matched file group ids | ||
| */ | ||
| protected List<HoodieFileGroupId> getGroupIdsWithUpdate(JavaRDD<HoodieRecord<T>> inputRecords) { | ||
| return inputRecords | ||
| .filter(record -> record.getCurrentLocation() != null) | ||
| .map(record -> new HoodieFileGroupId(record.getPartitionPath(), record.getCurrentLocation().getFileId())).distinct().collect(); | ||
| } | ||
| } | ||
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let's add a javadoc for public classes and methods.
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done~