| /* |
| * 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.hudi.table; |
| |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hudi.avro.model.HoodieCompactionPlan; |
| import org.apache.hudi.avro.model.HoodieRestoreMetadata; |
| import org.apache.hudi.avro.model.HoodieRollbackMetadata; |
| import org.apache.hudi.common.model.HoodieKey; |
| import org.apache.hudi.common.model.HoodieRecord; |
| import org.apache.hudi.common.model.HoodieRecordPayload; |
| import org.apache.hudi.common.model.HoodieWriteStat; |
| import org.apache.hudi.common.table.HoodieTableMetaClient; |
| import org.apache.hudi.common.table.timeline.HoodieInstant; |
| |
| import org.apache.hudi.common.table.timeline.HoodieTimeline; |
| import org.apache.hudi.common.util.Option; |
| import org.apache.hudi.config.HoodieWriteConfig; |
| import org.apache.hudi.exception.HoodieIOException; |
| import org.apache.hudi.table.action.HoodieWriteMetadata; |
| import org.apache.hudi.table.action.bootstrap.BootstrapDeltaCommitActionExecutor; |
| import org.apache.hudi.table.action.bootstrap.HoodieBootstrapWriteMetadata; |
| import org.apache.hudi.table.action.compact.RunCompactionActionExecutor; |
| import org.apache.hudi.table.action.deltacommit.BulkInsertDeltaCommitActionExecutor; |
| import org.apache.hudi.table.action.deltacommit.BulkInsertPreppedDeltaCommitActionExecutor; |
| import org.apache.hudi.table.action.deltacommit.DeleteDeltaCommitActionExecutor; |
| import org.apache.hudi.table.action.deltacommit.InsertDeltaCommitActionExecutor; |
| import org.apache.hudi.table.action.deltacommit.InsertPreppedDeltaCommitActionExecutor; |
| import org.apache.hudi.table.action.deltacommit.UpsertDeltaCommitActionExecutor; |
| import org.apache.hudi.table.action.deltacommit.UpsertPreppedDeltaCommitActionExecutor; |
| import org.apache.hudi.table.action.compact.ScheduleCompactionActionExecutor; |
| import org.apache.hudi.table.action.restore.MergeOnReadRestoreActionExecutor; |
| import org.apache.hudi.table.action.rollback.MergeOnReadRollbackActionExecutor; |
| import org.apache.spark.api.java.JavaRDD; |
| import org.apache.spark.api.java.JavaSparkContext; |
| |
| import java.util.List; |
| import java.util.Map; |
| |
| /** |
| * Implementation of a more real-time Hoodie Table the provides tradeoffs on read and write cost/amplification. |
| * |
| * <p> |
| * INSERTS - Same as HoodieCopyOnWriteTable - Produce new files, block aligned to desired size (or) Merge with the |
| * smallest existing file, to expand it |
| * </p> |
| * <p> |
| * UPDATES - Appends the changes to a rolling log file maintained per file Id. Compaction merges the log file into the |
| * base file. |
| * </p> |
| * <p> |
| * WARNING - MOR table type does not support nested rollbacks, every rollback must be followed by an attempted commit |
| * action |
| * </p> |
| */ |
| public class HoodieMergeOnReadTable<T extends HoodieRecordPayload> extends HoodieCopyOnWriteTable<T> { |
| |
| HoodieMergeOnReadTable(HoodieWriteConfig config, Configuration hadoopConf, HoodieTableMetaClient metaClient) { |
| super(config, hadoopConf, metaClient); |
| } |
| |
| @Override |
| public HoodieWriteMetadata upsert(JavaSparkContext jsc, String instantTime, JavaRDD<HoodieRecord<T>> records) { |
| return new UpsertDeltaCommitActionExecutor<>(jsc, config, this, instantTime, records).execute(); |
| } |
| |
| @Override |
| public HoodieWriteMetadata insert(JavaSparkContext jsc, String instantTime, JavaRDD<HoodieRecord<T>> records) { |
| return new InsertDeltaCommitActionExecutor<>(jsc, config, this, instantTime, records).execute(); |
| } |
| |
| @Override |
| public HoodieWriteMetadata bulkInsert(JavaSparkContext jsc, String instantTime, JavaRDD<HoodieRecord<T>> records, |
| Option<BulkInsertPartitioner> userDefinedBulkInsertPartitioner) { |
| return new BulkInsertDeltaCommitActionExecutor(jsc, config, |
| this, instantTime, records, userDefinedBulkInsertPartitioner).execute(); |
| } |
| |
| @Override |
| public HoodieWriteMetadata delete(JavaSparkContext jsc, String instantTime, JavaRDD<HoodieKey> keys) { |
| return new DeleteDeltaCommitActionExecutor<>(jsc, config, this, instantTime, keys).execute(); |
| } |
| |
| @Override |
| public HoodieWriteMetadata upsertPrepped(JavaSparkContext jsc, String instantTime, |
| JavaRDD<HoodieRecord<T>> preppedRecords) { |
| return new UpsertPreppedDeltaCommitActionExecutor<>(jsc, config, this, instantTime, preppedRecords).execute(); |
| } |
| |
| @Override |
| public HoodieWriteMetadata insertPrepped(JavaSparkContext jsc, String instantTime, |
| JavaRDD<HoodieRecord<T>> preppedRecords) { |
| return new InsertPreppedDeltaCommitActionExecutor<>(jsc, config, this, instantTime, preppedRecords).execute(); |
| } |
| |
| @Override |
| public HoodieWriteMetadata bulkInsertPrepped(JavaSparkContext jsc, String instantTime, |
| JavaRDD<HoodieRecord<T>> preppedRecords, Option<BulkInsertPartitioner> userDefinedBulkInsertPartitioner) { |
| return new BulkInsertPreppedDeltaCommitActionExecutor(jsc, config, |
| this, instantTime, preppedRecords, userDefinedBulkInsertPartitioner).execute(); |
| } |
| |
| @Override |
| public Option<HoodieCompactionPlan> scheduleCompaction(JavaSparkContext jsc, String instantTime, Option<Map<String, String>> extraMetadata) { |
| ScheduleCompactionActionExecutor scheduleCompactionExecutor = new ScheduleCompactionActionExecutor( |
| jsc, config, this, instantTime, extraMetadata); |
| return scheduleCompactionExecutor.execute(); |
| } |
| |
| @Override |
| public HoodieWriteMetadata compact(JavaSparkContext jsc, String compactionInstantTime) { |
| RunCompactionActionExecutor compactionExecutor = new RunCompactionActionExecutor(jsc, config, this, compactionInstantTime); |
| return compactionExecutor.execute(); |
| } |
| |
| @Override |
| public HoodieBootstrapWriteMetadata bootstrap(JavaSparkContext jsc, Option<Map<String, String>> extraMetadata) { |
| return new BootstrapDeltaCommitActionExecutor(jsc, config, this, extraMetadata).execute(); |
| } |
| |
| @Override |
| public void rollbackBootstrap(JavaSparkContext jsc, String instantTime) { |
| new MergeOnReadRestoreActionExecutor(jsc, config, this, instantTime, HoodieTimeline.INIT_INSTANT_TS).execute(); |
| } |
| |
| @Override |
| public HoodieRollbackMetadata rollback(JavaSparkContext jsc, |
| String rollbackInstantTime, |
| HoodieInstant commitInstant, |
| boolean deleteInstants) { |
| return new MergeOnReadRollbackActionExecutor(jsc, config, this, rollbackInstantTime, commitInstant, deleteInstants).execute(); |
| } |
| |
| @Override |
| public HoodieRestoreMetadata restore(JavaSparkContext jsc, String restoreInstantTime, String instantToRestore) { |
| return new MergeOnReadRestoreActionExecutor(jsc, config, this, restoreInstantTime, instantToRestore).execute(); |
| } |
| |
| @Override |
| public void finalizeWrite(JavaSparkContext jsc, String instantTs, List<HoodieWriteStat> stats) |
| throws HoodieIOException { |
| // delegate to base class for MOR tables |
| super.finalizeWrite(jsc, instantTs, stats); |
| } |
| } |