org.janusgraph.hadoop.formats.FormatTools Maven / Gradle / Ivy
// Copyright 2017 JanusGraph Authors
//
// Licensed 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.janusgraph.hadoop.formats;
import org.apache.hadoop.mapreduce.Job;
import org.apache.hadoop.mapreduce.OutputFormat;
import org.apache.hadoop.mapreduce.lib.output.LazyOutputFormat;
/**
* @author Marko A. Rodriguez (https://markorodriguez.com)
*/
public class FormatTools {
public static Class getBaseOutputFormatClass(final Job job) {
try {
if (LazyOutputFormat.class.isAssignableFrom(job.getOutputFormatClass())) {
Class baseClass = (Class)
job.getConfiguration().getClass(LazyOutputFormat.OUTPUT_FORMAT, null);
return (null == baseClass) ? job.getOutputFormatClass() : baseClass;
}
return job.getOutputFormatClass();
} catch (Exception e) {
return null;
}
}
}