org.apache.phoenix.mapreduce.JsonBulkLoadTool Maven / Gradle / Ivy
/*
* 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.phoenix.mapreduce;
import java.sql.SQLException;
import java.util.List;
import org.apache.commons.cli.CommandLine;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.mapreduce.Job;
import org.apache.hadoop.util.ToolRunner;
import org.apache.phoenix.util.ColumnInfo;
/**
* A tool for running MapReduce-based ingests of JSON data. Nested JSON data structures are not
* handled, though lists are converted into typed ARRAYS.
*/
public class JsonBulkLoadTool extends AbstractBulkLoadTool {
@Override
protected void configureOptions(CommandLine cmdLine, List importColumns,
Configuration conf) throws SQLException {
// noop
}
@Override
protected void setupJob(Job job) {
// Allow overriding the job jar setting by using a -D system property at startup
if (job.getJar() == null) {
job.setJarByClass(JsonToKeyValueMapper.class);
}
job.setMapperClass(JsonToKeyValueMapper.class);
}
public static void main(String[] args) throws Exception {
ToolRunner.run(new JsonBulkLoadTool(), args);
}
}
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