Package edu.umd.cloud9.util.map

Examples of edu.umd.cloud9.util.map.MapID


          "-output_path=" + indexRootPath + "/wiki-docid-tmp",
          "-output_file=" + mappingFile.toString(),
          "-wiki_language=" + collectionLang };
      LOG.info("Running BuildWikipediaDocnoMapping with args " + Arrays.toString(arr));

      BuildWikipediaDocnoMapping tool = new BuildWikipediaDocnoMapping();
      tool.setConf(conf);
      tool.run(arr);

      fs.delete(new Path(indexRootPath + "/wiki-docid-tmp"), true);
    } else {
      LOG.info("Docno mapping already exists at: " + mappingFile);
    }

    // Repack Wikipedia into sequential compressed block
    if (!fs.exists(new Path(seqCollection + "/part-00000"))) {
      LOG.info(seqCollection + " doesn't exist, creating...");
      String[] arr = new String[] { "-input=" + rawCollection,
          "-output=" + seqCollection,
          "-mapping_file=" + mappingFile.toString(),
          "-compression_type=block",
          "-wiki_language=" + collectionLang };
      LOG.info("Running RepackWikipedia with args " + Arrays.toString(arr));

      RepackWikipedia tool = new RepackWikipedia();
      tool.setConf(conf);
      tool.run(arr);
    } else {
      LOG.info("Repacked collection already exists at: " + seqCollection);     
    }

    conf.set(Constants.CollectionName, "Wikipedia-"+collectionLang);
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        "-mapping_file=" + mappingFile.toString(),
        "-compression_type=block",
        "-wiki_language=" + collectionLang };
    LOG.info("Running RepackWikipedia with args " + Arrays.toString(arr));

    RepackWikipedia tool = new RepackWikipedia();
    tool.setConf(conf);
    tool.run(arr);

    conf.set(Constants.CollectionName, "Wikipedia-"+collectionLang);
    conf.setInt(Constants.NumMapTasks, numMappers);
    conf.setInt(Constants.NumReduceTasks, numReducers);
    conf.set(Constants.CollectionPath, seqCollection);
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    // Repack Wikipedia into sequential compressed block
    p = new Path(seqCollection);
    if (!fs.exists(p)) {
      LOG.info(seqCollection + " doesn't exist, creating...");
      String[] arr = new String[] { rawCollection, seqCollection, mappingFile.toString(), "block"};
      RepackWikipedia tool = new RepackWikipedia();
      tool.setConf(conf);
      tool.run(arr);
    }

    conf.set("Ivory.CollectionName", "Wikipedia-"+collectionLang);
    conf.setInt("Ivory.NumMapTasks", numMappers);
    conf.setInt("Ivory.NumReduceTasks", numReducers);
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          "-mapping_file=" + mappingFile.toString(),
          "-compression_type=block",
          "-wiki_language=" + collectionLang };
      LOG.info("Running RepackWikipedia with args " + Arrays.toString(arr));

      RepackWikipedia tool = new RepackWikipedia();
      tool.setConf(conf);
      tool.run(arr);
    } else {
      LOG.info("Repacked collection already exists at: " + seqCollection);     
    }

    conf.set(Constants.CollectionName, "Wikipedia-"+collectionLang);
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        if (fileStats[i].getPath().getName().startsWith("_")) {
          continue;
        }

        LOG.info("processing " + fileStats[i].getPath());
        FSLineReader reader = new FSLineReader(fileStats[i].getPath(), fs);

        Text line = new Text();
        while (reader.readLine(line) > 0) {
          String[] arr = line.toString().split("\\t+", 2);

          int docno = Integer.parseInt(arr[0]);
          int len = Integer.parseInt(arr[1]);

          // Note that because of speculative execution there may be
          // multiple copies of doclength data. Therefore, we can't
          // just count number of doclengths read. Instead, keep track
          // of largest docno encountered.
          if (docno < docnoOffset) {
            throw new RuntimeException(
                "Error: docno " + docno + " < docnoOffset " + docnoOffset + "!");
          }

          doclengths[docno - docnoOffset] = len;

          if (docno > maxDocno) {
            maxDocno = docno;
          }
          if (docno < minDocno) {
            minDocno = docno;
          }
        }
        reader.close();
        context.getCounter(DocLengths.Files).increment(1);
      }

      LOG.info("min docno: " + minDocno);
      LOG.info("max docno: " + maxDocno);
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   * @param size
   *     number of bits
   */
  public MinhashSignature(){
    super();
    terms = new ArrayListOfIntsWritable();
  }
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    super();
    terms = new ArrayListOfIntsWritable();
  }

  public MinhashSignature(ArrayListOfIntsWritable b){
    terms = new ArrayListOfIntsWritable(b);
  }
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    this(other.terms);
  }

  public MinhashSignature(int numTerms){      //need this constructor for general purposes.
    super();
    terms = new ArrayListOfIntsWritable(numTerms);
  }
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   *     FileSystem object
   * @return
   *     mapping from term ids to df values
   */
  public static HMapIFW readTransDfTable(Path path, FileSystem fs) {
    HMapIFW transDfTable = new HMapIFW();
    try {
      SequenceFile.Reader reader = new SequenceFile.Reader(fs, path, fs.getConf());

      IntWritable key = (IntWritable) reader.getKeyClass().newInstance();
      FloatWritable value = (FloatWritable) reader.getValueClass().newInstance();

      while (reader.next(key, value)) {
        transDfTable.put(key.get(), value.get());
        //        logger.info(key.get()+"-->"+value.get());
        key = (IntWritable) reader.getKeyClass().newInstance();
        value = (FloatWritable) reader.getValueClass().newInstance();
      }
      reader.close();
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   *     ttable E-->F (i.e., Pr(f|e))
   * @return
   *     mapping from E-terms to their computed df values
   */
  public static HMapIFW translateDFTable(Vocab eVocabSrc, Vocab fVocabTrg, TTable_monolithic_IFAs e2f_probs, FrequencySortedDictionary dict, DfTableArray dfTable){
    HMapIFW transDfTable = new HMapIFW();
    for(int e=1;e<eVocabSrc.size();e++){
      int[] fS = e2f_probs.get(e).getTranslations(0.0f);
      float df=0;
      for(int f : fS){
        float probEF = e2f_probs.get(e, f);
        String fTerm = fVocabTrg.get(f);
        int id = dict.getId(fTerm);
        if(id != -1){
          float df_f = dfTable.getDf(id);       
          df += (probEF*df_f);
        }else{
          logger.debug(fTerm+" not in dict");
        }
      }
      transDfTable.put(e, df);
    }
    return transDfTable;
  }
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