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org.elasticsearch.hadoop.serialization.bulk.DeleteBulkFactory Maven / Gradle / Ivy

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 * license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright
 * ownership. Elasticsearch 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
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package org.elasticsearch.hadoop.serialization.bulk;

import org.apache.hadoop.io.BooleanWritable;
import org.apache.hadoop.io.ByteWritable;
import org.apache.hadoop.io.BytesWritable;
import org.apache.hadoop.io.DoubleWritable;
import org.apache.hadoop.io.FloatWritable;
import org.apache.hadoop.io.IntWritable;
import org.apache.hadoop.io.LongWritable;
import org.apache.hadoop.io.MD5Hash;
import org.apache.hadoop.io.NullWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.io.UTF8;
import org.apache.hadoop.io.VIntWritable;
import org.apache.hadoop.io.VLongWritable;
import org.elasticsearch.hadoop.cfg.ConfigurationOptions;
import org.elasticsearch.hadoop.cfg.Settings;
import org.elasticsearch.hadoop.serialization.Generator;
import org.elasticsearch.hadoop.serialization.builder.ValueWriter;
import org.elasticsearch.hadoop.util.EsMajorVersion;
import org.elasticsearch.hadoop.util.StringUtils;

import java.util.List;

public class DeleteBulkFactory extends AbstractBulkFactory {


    public DeleteBulkFactory(Settings settings, MetadataExtractor metaExtractor, EsMajorVersion version) {
        super(settings, metaExtractor, version);
    }

    @Override
    protected String getOperation() {
        return ConfigurationOptions.ES_OPERATION_DELETE;
    }

    @Override
    protected void writeObjectEnd(List list) {
        // skip adding new-line for each entity as delete doesn't need entity output
        list.add(StringUtils.EMPTY);
    }
}