- Provides ability to perform hard deletes by writing delete marker records into the source data - if the record contains a special field _hoodie_delete_marker set to true, deletes are performed
62 lines
2.0 KiB
Java
62 lines
2.0 KiB
Java
/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.hudi;
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import org.apache.hudi.common.util.HoodieAvroUtils;
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import org.apache.hudi.exception.HoodieException;
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import org.apache.hudi.exception.HoodieIOException;
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import org.apache.avro.generic.GenericRecord;
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import java.io.IOException;
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import java.io.Serializable;
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/**
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* Base class for all AVRO record based payloads, that can be ordered based on a field.
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*/
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public abstract class BaseAvroPayload implements Serializable {
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/**
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* Avro data extracted from the source converted to bytes.
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*/
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protected final byte[] recordBytes;
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/**
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* For purposes of preCombining.
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*/
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protected final Comparable orderingVal;
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/**
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* Instantiate {@link BaseAvroPayload}.
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*
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* @param record Generic record for the payload.
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* @param orderingVal {@link Comparable} to be used in pre combine.
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*/
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public BaseAvroPayload(GenericRecord record, Comparable orderingVal) {
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try {
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this.recordBytes = HoodieAvroUtils.avroToBytes(record);
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} catch (IOException io) {
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throw new HoodieIOException("Cannot convert GenericRecord to bytes", io);
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}
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this.orderingVal = orderingVal;
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if (orderingVal == null) {
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throw new HoodieException("Ordering value is null for record: " + record);
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}
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}
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}
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