Examples of parquet.column.ColumnReader

   */
  private void skipToMatch() {
    while (recordsRead < recordCount && !recordFilter.isMatch()) {
      State currentState = getState(0);
      do {
        ColumnReader columnReader = currentState.column;


        // currentLevel = depth + 1 at this point
        // set the current value
        if (columnReader.getCurrentDefinitionLevel() >= currentState.maxDefinitionLevel) {
          columnReader.skip();
        }
        columnReader.consume();


        // Based on repetition level work out next state to go to
        int nextR = currentState.maxRepetitionLevel == 0 ? 0 : columnReader.getCurrentRepetitionLevel();
        currentState = currentState.getNextState(nextR);
      } while (currentState != null);
      ++ recordsRead;
    }
  }

  public T read() {
    int currentLevel = 0;
    recordRootConverter.start();
    State currentState = states[0];
    do {
      ColumnReader columnReader = currentState.column;
      int d = columnReader.getCurrentDefinitionLevel();
      // creating needed nested groups until the current field (opening tags)
      int depth = currentState.definitionLevelToDepth[d];
      for (; currentLevel <= depth; ++currentLevel) {
        currentState.groupConverterPath[currentLevel].start();
      }
      // currentLevel = depth + 1 at this point
      // set the current value
      if (d >= currentState.maxDefinitionLevel) {
        // not null
        columnReader.writeCurrentValueToConverter();
      }
      columnReader.consume();


      int nextR = currentState.maxRepetitionLevel == 0 ? 0 : columnReader.getCurrentRepetitionLevel();
      // level to go to close current groups
      int next = currentState.nextLevel[nextR];
      for (; currentLevel > next; currentLevel--) {
        currentState.groupConverterPath[currentLevel - 1].end();
      }

Examples of parquet.column.ColumnReader

Related Classes of parquet.column.ColumnReader