package com.marklogic.mapreduce.test; import java.io.IOException; import org.apache.hadoop.conf.Configuration; import org.apache.hadoop.fs.Path; import org.apache.hadoop.io.LongWritable; import org.apache.hadoop.io.Text; import org.apache.hadoop.io.Writable; import org.apache.hadoop.mapreduce.Job; import org.apache.hadoop.mapreduce.Mapper; import org.apache.hadoop.mapreduce.lib.output.FileOutputFormat; import org.apache.hadoop.mapreduce.lib.output.TextOutputFormat; import org.apache.hadoop.util.GenericOptionsParser; import com.marklogic.mapreduce.MarkLogicConstants; import com.marklogic.mapreduce.ValueInputFormat; import com.marklogic.mapreduce.functions.ElementValues; public class ElementValuesTest { public static class ElementValueMapper extends Mapper<LongWritable, Text, LongWritable, Text> { public void map(LongWritable key, Text value, Context context) throws IOException, InterruptedException { context.write(key, value); } } public static void main(String[] args) throws Exception { Configuration conf = new Configuration(); String[] otherArgs = new GenericOptionsParser(conf, args).getRemainingArgs(); if (otherArgs.length < 2) { System.err.println("Usage: ElementValuesTest configFile outputDir"); System.exit(2); } Job job = Job.getInstance(conf); job.setJarByClass(ElementValuesTest.class); job.setInputFormatClass(ValueInputFormat.class); job.setMapperClass(ElementValueMapper.class); job.setMapOutputKeyClass(LongWritable.class); job.setMapOutputValueClass(Text.class); job.setOutputFormatClass(TextOutputFormat.class); FileOutputFormat.setOutputPath(job, new Path(otherArgs[1])); conf = job.getConfiguration(); conf.addResource(otherArgs[0]); conf.setClass(MarkLogicConstants.INPUT_VALUE_CLASS, Text.class, Writable.class); conf.setClass(MarkLogicConstants.INPUT_LEXICON_FUNCTION_CLASS, ElementValuesFunction.class, ElementValues.class); System.exit(job.waitForCompletion(true) ? 0 : 1); } static class ElementValuesFunction extends ElementValues { @Override public String[] getElementNames() { String[] names = {"xs:QName(\"wp:title\"), xs:QName(\"wp:id\")"}; return names; } @Override public String getStart() { return "\"foo\""; } } }