public BatchData nextBatch()

in java/tsfile/src/main/java/org/apache/tsfile/read/reader/page/ValuePageReader.java [113:172]
60 lines of code
31 McCabe index (conditional complexity)

  public BatchData nextBatch(long[] timeBatch, boolean ascending, Filter filter)
      throws IOException {
    uncompressDataIfNecessary();
    BatchData pageData = BatchDataFactory.createBatchData(dataType, ascending, false);
    for (int i = 0; i < timeBatch.length; i++) {
      if (((bitmap[i / 8] & 0xFF) & (MASK >>> (i % 8))) == 0) {
        continue;
      }
      long timestamp = timeBatch[i];
      switch (dataType) {
        case BOOLEAN:
          boolean aBoolean = valueDecoder.readBoolean(valueBuffer);
          if (!isDeleted(timestamp)
              && (filter == null || filter.satisfyBoolean(timestamp, aBoolean))) {
            pageData.putBoolean(timestamp, aBoolean);
          }
          break;
        case INT32:
        case DATE:
          int anInt = valueDecoder.readInt(valueBuffer);
          if (!isDeleted(timestamp)
              && (filter == null || filter.satisfyInteger(timestamp, anInt))) {
            pageData.putInt(timestamp, anInt);
          }
          break;
        case INT64:
        case TIMESTAMP:
          long aLong = valueDecoder.readLong(valueBuffer);
          if (!isDeleted(timestamp) && (filter == null || filter.satisfyLong(timestamp, aLong))) {
            pageData.putLong(timestamp, aLong);
          }
          break;
        case FLOAT:
          float aFloat = valueDecoder.readFloat(valueBuffer);
          if (!isDeleted(timestamp) && (filter == null || filter.satisfyFloat(timestamp, aFloat))) {
            pageData.putFloat(timestamp, aFloat);
          }
          break;
        case DOUBLE:
          double aDouble = valueDecoder.readDouble(valueBuffer);
          if (!isDeleted(timestamp)
              && (filter == null || filter.satisfyDouble(timestamp, aDouble))) {
            pageData.putDouble(timestamp, aDouble);
          }
          break;
        case TEXT:
        case BLOB:
        case STRING:
          Binary aBinary = valueDecoder.readBinary(valueBuffer);
          if (!isDeleted(timestamp)
              && (filter == null || filter.satisfyBinary(timestamp, aBinary))) {
            pageData.putBinary(timestamp, aBinary);
          }
          break;
        default:
          throw new UnSupportedDataTypeException(String.valueOf(dataType));
      }
    }
    return pageData.flip();
  }