/**
* KOSHIK is an NLP framework for large scale processing using Hadoop.
* Copyright © 2014 Peter Exner
*
* This file is part of KOSHIK.
*
* KOSHIK is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* KOSHIK is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with KOSHIK. If not, see <http://www.gnu.org/licenses/>.
*/
package se.lth.cs.koshik.example;
import java.io.IOException;
import java.util.ArrayList;
import org.apache.avro.mapred.AvroKey;
import org.apache.avro.mapreduce.AvroJob;
import org.apache.avro.mapreduce.AvroKeyInputFormat;
import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.CommandLineParser;
import org.apache.commons.cli.GnuParser;
import org.apache.commons.cli.HelpFormatter;
import org.apache.commons.cli.OptionBuilder;
import org.apache.commons.cli.Options;
import org.apache.commons.lang.StringUtils;
import org.apache.hadoop.conf.Configured;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.io.NullWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Job;
import org.apache.hadoop.mapreduce.Mapper;
import org.apache.hadoop.mapreduce.Reducer;
import org.apache.hadoop.mapreduce.lib.input.FileInputFormat;
import org.apache.hadoop.mapreduce.lib.output.FileOutputFormat;
import org.apache.hadoop.mapreduce.lib.output.TextOutputFormat;
import org.apache.hadoop.util.Tool;
import org.apache.hadoop.util.ToolRunner;
import org.apache.log4j.Logger;
import se.lth.cs.koshik.input.conll.CoNLLFeature;
import se.lth.cs.koshik.model.Document;
import se.lth.cs.koshik.model.avro.AvroDocument;
import se.lth.cs.koshik.model.text.Sentence;
import se.lth.cs.koshik.model.text.Token;
public class DocumentToCoNLL2009 extends Configured implements Tool {
private static final String OPTION_INPUTPATHS = "input";
private static final String OPTION_OUTPUTPATH = "output";
private static final Logger LOGGER = Logger.getLogger(DocumentToCoNLL2009.class);
private static class DocumentReducer extends Reducer<AvroKey<AvroDocument>, NullWritable, Text, NullWritable> {
static final Text out = new Text();
static final StringBuilder sb = new StringBuilder();
@Override
protected void reduce(AvroKey<AvroDocument> avroDocument, Iterable<NullWritable> nothing, Context context) throws IOException, InterruptedException {
try {
Document document = new Document(avroDocument.datum());
sb.setLength(0);
sb.append(document.getIdentifier());
sb.append('\n');
for(Sentence sentence:document.select(Sentence.class)) {
ArrayList<String> predicateList = new ArrayList<String>();
for(Token token:sentence.getTokens()) {
if(token.hasFeature(CoNLLFeature.PRED) && !token.getFeature(CoNLLFeature.PRED).equalsIgnoreCase("") && token.hasFeature(CoNLLFeature.ID)) {
predicateList.add(token.getFeature(CoNLLFeature.ID));
}
}
for(Token token:sentence.getTokens()) {
if(token.hasFeature(CoNLLFeature.ID)) {
sb.append(token.getFeature(CoNLLFeature.ID));
} else {
sb.append('_');
}
if(token.hasFeature(CoNLLFeature.FORM)) {
sb.append('\t');
sb.append(token.getFeature(CoNLLFeature.FORM));
} else {
sb.append('\t');
sb.append('_');
}
if(token.hasFeature(CoNLLFeature.LEMMA)) {
sb.append('\t');
sb.append(token.getFeature(CoNLLFeature.LEMMA));
} else {
sb.append('\t');
sb.append('_');
}
if(token.hasFeature(CoNLLFeature.PLEMMA)) {
sb.append('\t');
sb.append(token.getFeature(CoNLLFeature.PLEMMA));
} else {
sb.append('\t');
sb.append('_');
}
if(token.hasFeature(CoNLLFeature.POS)) {
sb.append('\t');
sb.append(token.getFeature(CoNLLFeature.POS));
} else {
sb.append('\t');
sb.append('_');
}
if(token.hasFeature(CoNLLFeature.PPOS)) {
sb.append('\t');
sb.append(token.getFeature(CoNLLFeature.PPOS));
} else {
sb.append('\t');
sb.append('_');
}
if(token.hasFeature(CoNLLFeature.FEAT)) {
sb.append('\t');
sb.append(token.getFeature(CoNLLFeature.FEAT));
} else {
sb.append('\t');
sb.append('_');
}
if(token.hasFeature(CoNLLFeature.PFEAT)) {
sb.append('\t');
sb.append(token.getFeature(CoNLLFeature.PFEAT));
} else {
sb.append('\t');
sb.append('_');
}
if(token.hasFeature(CoNLLFeature.HEAD)) {
sb.append('\t');
sb.append(token.getFeature(CoNLLFeature.HEAD));
} else {
sb.append('\t');
sb.append('_');
}
if(token.hasFeature(CoNLLFeature.PHEAD)) {
sb.append('\t');
sb.append(token.getFeature(CoNLLFeature.PHEAD));
} else {
sb.append('\t');
sb.append('_');
}
if(token.hasFeature(CoNLLFeature.DEPREL)) {
sb.append('\t');
sb.append(token.getFeature(CoNLLFeature.DEPREL));
} else {
sb.append('\t');
sb.append('_');
}
if(token.hasFeature(CoNLLFeature.PDEPREL)) {
sb.append('\t');
sb.append(token.getFeature(CoNLLFeature.PDEPREL));
} else {
sb.append('\t');
sb.append('_');
}
if(token.hasFeature(CoNLLFeature.FILLPRED)) {
sb.append('\t');
sb.append(token.getFeature(CoNLLFeature.FILLPRED));
} else if(token.hasFeature(CoNLLFeature.PRED) && !token.getFeature(CoNLLFeature.PRED).equalsIgnoreCase("")) {
sb.append('\t');
sb.append('Y');
} else {
sb.append('\t');
sb.append('_');
}
if(token.hasFeature(CoNLLFeature.PRED)) {
sb.append('\t');
sb.append(token.getFeature(CoNLLFeature.PRED));
} else {
sb.append('\t');
sb.append('_');
}
if(token.hasFeature(CoNLLFeature.APRED)) {
String[] semanticRoles = token.getFeature(CoNLLFeature.APRED).split("[;]");
for(String predicate:predicateList) {
for(String semanticRole:semanticRoles) {
String[] semanticRoleParts = semanticRole.split("[:]");
if(semanticRoleParts.length == 2) {
if(semanticRoleParts[0].trim().equalsIgnoreCase(predicate.trim())) {
sb.append('\t');
sb.append(semanticRoleParts[1]);
} else {
sb.append('\t');
sb.append('_');
}
} else {
sb.append('\t');
sb.append('_');
}
}
}
} else {
sb.append(StringUtils.repeat("\t_", predicateList.size()));
}
sb.append('\n');
}
sb.append('\n');
}
if(sb.length() > 0) {
out.set(sb.toString());
context.write(out, NullWritable.get());
}
} catch (Exception e) {
e.printStackTrace();
}
}
}
@SuppressWarnings("static-access")
@Override
public int run(String[] args) throws Exception {
Options options = new Options();
options.addOption(OptionBuilder.withArgName("path,...").hasArg().withDescription("input path[s]").create(OPTION_INPUTPATHS));
options.addOption(OptionBuilder.withArgName("path").hasArg().withDescription("output path").create(OPTION_OUTPUTPATH));
CommandLine commandLine;
CommandLineParser commandLineParser = new GnuParser();
commandLine = commandLineParser.parse(options, args);
if (!commandLine.hasOption(OPTION_INPUTPATHS) ||
!commandLine.hasOption(OPTION_OUTPUTPATH)) {
HelpFormatter helpFormatter = new HelpFormatter();
helpFormatter.printHelp(getClass().getName(), options);
ToolRunner.printGenericCommandUsage(System.out);
return -1;
}
String inputPaths = commandLine.getOptionValue(OPTION_INPUTPATHS);
Path outputPath = new Path(commandLine.getOptionValue(OPTION_OUTPUTPATH));
LOGGER.info("Utility name: " + this.getClass().getName());
LOGGER.info(" - input path: " + inputPaths);
LOGGER.info(" - output path: " + outputPath);
Job job = new Job(getConf(), getClass().getName());
job.setJarByClass(getClass());
FileInputFormat.setInputPaths(job, inputPaths);
FileOutputFormat.setOutputPath(job, outputPath);
job.setInputFormatClass(AvroKeyInputFormat.class);
AvroJob.setInputKeySchema(job, AvroDocument.SCHEMA$);
AvroJob.setMapOutputKeySchema(job, AvroDocument.SCHEMA$);
job.setMapOutputValueClass(NullWritable.class);
job.setReducerClass(DocumentReducer.class);
job.setOutputKeyClass(Text.class);
job.setOutputValueClass(NullWritable.class);
job.setOutputFormatClass(TextOutputFormat.class);
return job.waitForCompletion(true) ? 0 : 1;
}
public static void main(String[] args) throws Exception {
int exitCode = ToolRunner.run(new DocumentToCoNLL2009(), args);
System.exit(exitCode);
}
}