public void convert()

in core/src/main/java/org/apache/carbondata/core/scan/result/vector/impl/directread/ColumnarVectorWrapperDirectWithDeleteDeltaAndInvertedIndex.java [87:197]
111 lines of code
42 McCabe index (conditional complexity)

  public void convert() {
    if (columnVector instanceof CarbonColumnVectorImpl) {
      CarbonColumnVectorImpl localVector = (CarbonColumnVectorImpl) columnVector;
      DataType dataType = columnVector.getType();
      int length = invertedIndex.length;
      int counter = 0;
      if (dataType == DataTypes.BOOLEAN || dataType == DataTypes.BYTE) {
        byte[] dataArray = (byte[]) localVector.getDataArray();
        for (int i = 0; i < length; i++) {
          if (!deletedRows.get(i)) {
            if (nullBits.get(i)) {
              carbonColumnVector.putNull(counter++);
            } else {
              carbonColumnVector.putByte(counter++, dataArray[i]);
            }
          }
        }
      } else if (dataType == DataTypes.SHORT) {
        short[] dataArray = (short[]) localVector.getDataArray();
        for (int i = 0; i < length; i++) {
          if (!deletedRows.get(i)) {
            if (nullBits.get(i)) {
              carbonColumnVector.putNull(counter++);
            } else {
              carbonColumnVector.putShort(counter++, dataArray[i]);
            }
          }
        }
      } else if (dataType == DataTypes.INT) {
        int[] dataArray = (int[]) localVector.getDataArray();
        for (int i = 0; i < length; i++) {
          if (!deletedRows.get(i)) {
            if (nullBits.get(i)) {
              carbonColumnVector.putNull(counter++);
            } else {
              carbonColumnVector.putInt(counter++, dataArray[i]);
            }
          }
        }
      } else if (dataType == DataTypes.LONG || dataType == DataTypes.TIMESTAMP) {
        long[] dataArray = (long[]) localVector.getDataArray();
        for (int i = 0; i < length; i++) {
          if (!deletedRows.get(i)) {
            if (nullBits.get(i)) {
              carbonColumnVector.putNull(counter++);
            } else {
              carbonColumnVector.putLong(counter++, dataArray[i]);
            }
          }
        }
      } else if (dataType == DataTypes.FLOAT) {
        float[] dataArray = (float[]) localVector.getDataArray();
        for (int i = 0; i < length; i++) {
          if (!deletedRows.get(i)) {
            if (nullBits.get(i)) {
              carbonColumnVector.putNull(counter++);
            } else {
              carbonColumnVector.putFloat(counter++, dataArray[i]);
            }
          }
        }
      } else if (dataType == DataTypes.DOUBLE) {
        double[] dataArray = (double[]) localVector.getDataArray();
        for (int i = 0; i < length; i++) {
          if (!deletedRows.get(i)) {
            if (nullBits.get(i)) {
              carbonColumnVector.putNull(counter++);
            } else {
              carbonColumnVector.putDouble(counter++, dataArray[i]);
            }
          }
        }
      } else if (dataType instanceof DecimalType) {
        BigDecimal[] dataArray = (BigDecimal[]) localVector.getDataArray();
        for (int i = 0; i < length; i++) {
          if (!deletedRows.get(i)) {
            if (nullBits.get(i)) {
              carbonColumnVector.putNull(counter++);
            } else {
              carbonColumnVector.putDecimal(counter++, dataArray[i], precision);
            }
          }
        }
      } else if (dataType == DataTypes.STRING || dataType == DataTypes.BYTE_ARRAY) {
        int[] offsets = localVector.getOffsets();
        int[] lengths = localVector.getLengths();
        if (offsets != null && lengths != null) {
          for (int i = 0; i < length; i++) {
            if (!deletedRows.get(i)) {
              if (nullBits.get(i)) {
                carbonColumnVector.putNull(counter++);
              } else {
                carbonColumnVector.putArray(counter++, offsets[i], lengths[i]);
              }
            }
          }
        } else {
          byte[][] dataArray = (byte[][]) localVector.getDataArray();
          for (int i = 0; i < length; i++) {
            if (!deletedRows.get(i)) {
              if (nullBits.get(i)) {
                carbonColumnVector.putNull(counter++);
              } else {
                carbonColumnVector.putByteArray(counter++, dataArray[i]);
              }
            }
          }
        }
      }
    }
  }