org.apache.hudi.table.action.commit.BaseDeleteHelper Maven / Gradle / Ivy
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* 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,
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* See the License for the specific language governing permissions and
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*/
package org.apache.hudi.table.action.commit;
import org.apache.hudi.common.engine.HoodieEngineContext;
import org.apache.hudi.common.function.SerializableFunctionUnchecked;
import org.apache.hudi.config.HoodieWriteConfig;
import org.apache.hudi.table.HoodieTable;
import org.apache.hudi.table.action.HoodieWriteMetadata;
/**
* Helper class to perform delete keys on hoodie table.
*
* @param
*/
public abstract class BaseDeleteHelper extends ParallelismHelper {
protected BaseDeleteHelper(SerializableFunctionUnchecked partitionNumberExtractor) {
super(partitionNumberExtractor);
}
/**
* Deduplicate Hoodie records, using the given deduplication function.
*
* @param keys HoodieKeys to deduplicate
* @param table target Hoodie table for deduplicating
* @param parallelism parallelism or partitions to be used while reducing/deduplicating
* @return HoodieKey already be deduplicated
*/
public abstract K deduplicateKeys(K keys, HoodieTable table, int parallelism);
public abstract HoodieWriteMetadata execute(String instantTime,
K keys, HoodieEngineContext context,
HoodieWriteConfig config, HoodieTable table,
BaseCommitActionExecutor deleteExecutor);
}