package com.ontology2.bakemono.entityCentric;
import com.google.common.base.Joiner;
import com.google.common.collect.Iterables;
import com.google.common.collect.Lists;
import com.ontology2.bakemono.configuration.HadoopTool;
import com.ontology2.bakemono.diffFacts.DiffFactsOptions;
import com.ontology2.bakemono.mapred.ToolBase;
import com.ontology2.centipede.parser.OptionParser;
import com.ontology2.centipede.errors.UsageException;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.io.NullWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.io.compress.GzipCodec;
import org.apache.hadoop.mapreduce.Job;
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.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
import java.util.List;
@HadoopTool("extractIsA")
public class ExtractIsATool extends ToolBase {
@Override
public int run(String[] strings) throws Exception {
ExtractIsAOptions options = extractOptions(Lists.newArrayList(strings));
configureOutputCompression();
List<String> nodes=Lists.newArrayList();
for(String link:options.type)
nodes.add("<"+link+">");
getConf().set(EntityIsAReducer.TYPE_LIST, Joiner.on(",").join(nodes));
Job job=new Job(getConf(),"extractIsA");
job.setJarByClass(this.getClass());
job.setMapperClass(EntityCentricMapper.class);
job.setReducerClass(EntityIsAReducer.class);
job.setNumReduceTasks(options.reducerCount);
job.setMapOutputKeyClass(Text.class);
job.setMapOutputValueClass(Text.class);
job.setOutputKeyClass(NullWritable.class);
job.setOutputValueClass(Text.class);
for(String path: options.input) {
FileInputFormat.addInputPath(job, new Path(path));
}
FileOutputFormat.setOutputPath(job, new Path(options.output));
FileOutputFormat.setCompressOutput(job,true);
FileOutputFormat.setOutputCompressorClass(job,GzipCodec.class);
job.setOutputFormatClass(TextOutputFormat.class);
return job.waitForCompletion(true) ? 0 : 1;
}
ExtractIsAOptions extractOptions(List<String> strings) throws IllegalAccessException {
OptionParser parser=new OptionParser(ExtractIsAOptions.class);
applicationContext.getAutowireCapableBeanFactory().autowireBean(parser);
ExtractIsAOptions options=(ExtractIsAOptions) parser.parse(Lists.newArrayList(strings));
if (options.input.isEmpty())
throw new UsageException("You did not specify a value for -input");
if (options.output==null || options.output.isEmpty())
throw new UsageException("You did not specify a value for -output");
if (options.type.isEmpty())
throw new UsageException("You did not specify a value for -type");
if(options.reducerCount<1) {
options.reducerCount=1;
}
return options;
}
}