/*
* 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.tinkerpop.gremlin.hadoop.structure.io;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.io.NullWritable;
import org.apache.hadoop.io.compress.CompressionCodecFactory;
import org.apache.hadoop.mapreduce.JobContext;
import org.apache.hadoop.mapreduce.lib.input.FileInputFormat;
import org.apache.tinkerpop.gremlin.process.computer.GraphFilter;
/**
* @author Marko A. Rodriguez (http://markorodriguez.com)
*/
public abstract class CommonFileInputFormat extends FileInputFormat<NullWritable, VertexWritable> implements HadoopPoolsConfigurable, GraphFilterAware {
@Override
protected boolean isSplitable(final JobContext context, final Path file) {
return null == new CompressionCodecFactory(context.getConfiguration()).getCodec(file);
}
@Override
public void setGraphFilter(final GraphFilter graphFilter) {
// do nothing. loaded through configuration.
}
}