Package de.lmu.ifi.dbs.elki.logging.progress

Examples of de.lmu.ifi.dbs.elki.logging.progress.StepProgress.beginStep()

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    MeanVariance momax = new MeanVariance();
    MeanVariance modif = new MeanVariance();
    // Histogram
    final AggregatingHistogram<Pair<Long, Long>, Pair<Long, Long>> histogram;
    if(stepprog != null) {
      stepprog.beginStep(1, "Prepare histogram.", logger);
    }
    if(exact) {
      gminmax = exactMinMax(relation, distFunc);
      histogram = AggregatingHistogram.LongSumLongSumHistogram(numbin, gminmax.getMin(), gminmax.getMax());
    }
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    else {
      histogram = FlexiHistogram.LongSumLongSumHistogram(numbin);
    }

    if(stepprog != null) {
      stepprog.beginStep(2, "Build histogram.", logger);
    }
    final FiniteProgress progress = logger.isVerbose() ? new FiniteProgress("Distance computations", relation.size(), logger) : null;
    // iterate per cluster
    final Pair<Long, Long> incFirst = new Pair<Long, Long>(1L, 0L);
    final Pair<Long, Long> incSecond = new Pair<Long, Long>(0L, 1L);
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    StepProgress stepprog = getLogger().isVerbose() ? new StepProgress(3) : null;

    ArrayDBIDs aids = DBIDUtil.ensureArray(ids);
    // materialize the new kNNs and RkNNs
    if(stepprog != null) {
      stepprog.beginStep(1, "New insertions ocurred, materialize their new kNNs and RkNNs.", getLogger());
    }
    materializeKNNAndRKNNs(aids, null);

    // update the old kNNs and RkNNs
    if(stepprog != null) {
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    }
    materializeKNNAndRKNNs(aids, null);

    // update the old kNNs and RkNNs
    if(stepprog != null) {
      stepprog.beginStep(2, "New insertions ocurred, update the affected kNNs and RkNNs.", getLogger());
    }
    ArrayDBIDs rkNN_ids = updateKNNsAndRkNNs(ids);

    // inform listener
    if(stepprog != null) {
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    }
    ArrayDBIDs rkNN_ids = updateKNNsAndRkNNs(ids);

    // inform listener
    if(stepprog != null) {
      stepprog.beginStep(3, "New insertions ocurred, inform listeners.", getLogger());
    }
    fireKNNsInserted(ids, rkNN_ids);

    if(stepprog != null) {
      stepprog.ensureCompleted(getLogger());
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    StepProgress stepprog = getLogger().isVerbose() ? new StepProgress(3) : null;

    ArrayDBIDs aids = DBIDUtil.ensureArray(ids);
    // delete the materialized (old) kNNs and RkNNs
    if(stepprog != null) {
      stepprog.beginStep(1, "New deletions ocurred, remove their materialized kNNs and RkNNs.", getLogger());
    }
    List<KNNResult<D>> kNNs = new ArrayList<KNNResult<D>>(ids.size());
    List<List<DistanceResultPair<D>>> rkNNs = new ArrayList<List<DistanceResultPair<D>>>(ids.size());
    for(DBID id : aids) {
      kNNs.add(storage.get(id));
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    ArrayDBIDs kNN_ids = extractAndRemoveIDs(kNNs, aids);
    ArrayDBIDs rkNN_ids = extractAndRemoveIDs(rkNNs, aids);

    // update the affected kNNs and RkNNs
    if(stepprog != null) {
      stepprog.beginStep(2, "New deletions ocurred, update the affected kNNs and RkNNs.", getLogger());
    }
    // update the kNNs of the RkNNs
    List<KNNResult<D>> kNNList = knnQuery.getKNNForBulkDBIDs(rkNN_ids, k);
    for(int i = 0; i < rkNN_ids.size(); i++) {
      DBID id = rkNN_ids.get(i);
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      }
    }

    // inform listener
    if(stepprog != null) {
      stepprog.beginStep(3, "New deletions ocurred, inform listeners.", getLogger());
    }
    fireKNNsRemoved(ids, rkNN_ids);

    if(stepprog != null) {
      stepprog.ensureCompleted(getLogger());
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    StepProgress stepprog = getLogger().isVerbose() ? new StepProgress(3) : null;

    ArrayDBIDs aids = DBIDUtil.ensureArray(ids);
    // materialize the new kNNs
    if(stepprog != null) {
      stepprog.beginStep(1, "New insertions ocurred, materialize their new kNNs.", getLogger());
    }
    List<KNNResult<D>> kNNList = knnQuery.getKNNForBulkDBIDs(aids, k);
    for(int i = 0; i < aids.size(); i++) {
      DBID id = aids.get(i);
      storage.put(id, kNNList.get(i));
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      storage.put(id, kNNList.get(i));
    }

    // update the affected kNNs
    if(stepprog != null) {
      stepprog.beginStep(2, "New insertions ocurred, update the affected kNNs.", getLogger());
    }
    ArrayDBIDs rkNN_ids = updateKNNsAfterInsertion(ids);

    // inform listener
    if(stepprog != null) {
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