/**
* 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.crunch.io.text;
import org.apache.crunch.SourceTarget;
import org.apache.crunch.io.FileNamingScheme;
import org.apache.crunch.io.SequentialFileNamingScheme;
import org.apache.crunch.io.impl.FileTargetImpl;
import org.apache.crunch.types.Converter;
import org.apache.crunch.types.PTableType;
import org.apache.crunch.types.PType;
import org.apache.crunch.types.avro.AvroTextOutputFormat;
import org.apache.crunch.types.avro.AvroTypeFamily;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.mapreduce.Job;
import org.apache.hadoop.mapreduce.lib.output.FileOutputFormat;
import org.apache.hadoop.mapreduce.lib.output.TextOutputFormat;
public class TextFileTarget extends FileTargetImpl {
private static Class<? extends FileOutputFormat> getOutputFormat(PType<?> ptype) {
if (ptype.getFamily().equals(AvroTypeFamily.getInstance())) {
return AvroTextOutputFormat.class;
} else {
return TextOutputFormat.class;
}
}
public <T> TextFileTarget(String path) {
this(new Path(path));
}
public <T> TextFileTarget(Path path) {
this(path, new SequentialFileNamingScheme());
}
public <T> TextFileTarget(Path path, FileNamingScheme fileNamingScheme) {
super(path, null, fileNamingScheme);
}
@Override
public Path getPath() {
return path;
}
@Override
public String toString() {
return "Text(" + path + ")";
}
@Override
public void configureForMapReduce(Job job, PType<?> ptype, Path outputPath, String name) {
Converter converter = ptype.getConverter();
Class keyClass = converter.getKeyClass();
Class valueClass = converter.getValueClass();
configureForMapReduce(job, keyClass, valueClass, getOutputFormat(ptype), outputPath, name);
}
@Override
public <T> SourceTarget<T> asSourceTarget(PType<T> ptype) {
if (ptype instanceof PTableType) {
return null;
}
return new TextFileSourceTarget<T>(path, ptype);
}
}