Package com.datasalt.pangool.tuplemr.Criteria

Examples of com.datasalt.pangool.tuplemr.Criteria.SortElement

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  private Criteria convertCommonSortByToCriteria(OrderBy orderBy) {
    if(orderBy == null) {
      // then the common sortBy is by default the group fields in ASC order
      List<SortElement> elements = new ArrayList<SortElement>();
      for(String groupField : groupByFields) {
        elements.add(new SortElement(groupField, Order.ASC));
      }
      return new Criteria(elements);
    } else if(orderBy.getSchemaOrderIndex() == null
        || orderBy.getSchemaOrderIndex() == orderBy.getElements().size()) {
      return new Criteria(orderBy.getElements());
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  private void initComparators() {
    TupleMRConfigBuilder.initializeComparators(context.getHadoopContext()
        .getConfiguration(), tupleMRConfig);
    customComparators = new RawComparator<?>[maxDepth + 1];
    for(int i = minDepth; i <= maxDepth; i++) {
      SortElement element = tupleMRConfig.getCommonCriteria().getElements().get(i);
      if(element.getCustomComparator() != null) {
        customComparators[i] = element.getCustomComparator();
      }
    }
  }
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  public int compare(Schema schema, Criteria c, ITuple w1, int[] index1, ITuple w2,
      int[] index2,Serializer[] serializers) {
    for(int i = 0; i < c.getElements().size(); i++) {
      Field field = schema.getField(i);
      SortElement e = c.getElements().get(i);
      Object o1 = w1.get(index1[i]);
      Object o2 = w2.get(index2[i]);
      Serializer serializer = (serializers == null) ? null : serializers[i];
      int comparison = compareObjects(o1, o2, e.getCustomComparator(), field.getType(),serializer);
      if(comparison != 0) {
        return(e.getOrder() == Order.ASC ? comparison : -comparison);
      }
    }
    return 0;
  }
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    o.offset1 = s1;
    o.offset2 = s2;
    for(int depth = 0; depth < criteria.getElements().size(); depth++) {
      Field field = schema.getField(depth);
      Field.Type type = field.getType();
      SortElement sortElement = criteria.getElements().get(depth);
      Order sort = sortElement.getOrder();
      RawComparator comparator = sortElement.getCustomComparator();

      if(comparator != null) {
        //custom comparator for OBJECT
        int length1 = WritableComparator.readVInt(b1, o.offset1);
        int length2 = WritableComparator.readVInt(b2, o.offset2);
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Related Classes of com.datasalt.pangool.tuplemr.Criteria.SortElement

  • com.datasalt.pangool.tuplemr.mapred.RollupReducer
  • com.datasalt.pangool.tuplemr.mapred.SortComparator
  • com.datasalt.pangool.tuplemr.mapred.TestComparators
  • com.datasalt.pangool.tuplemr.OrderBy
  • com.datasalt.pangool.tuplemr.TestConfigBuilder
  • com.datasalt.pangool.tuplemr.TestSerializationInfo
  • com.datasalt.pangool.tuplemr.TupleMRConfigBuilder
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