Method setRed

java/core/src/java/org/apache/orc/impl/RedBlackTree.java:79–86

Set the red bit true or false.

(int position, boolean isRed)

   * Set the red bit true or false.
   */
  private void setRed(int position, boolean isRed) {
    int offset = position * ELEMENT_SIZE + LEFT_OFFSET;
    if (isRed) {
      data.set(offset, data.get(offset) | 1);
    } else {
      data.set(offset, data.get(offset) & ~1);
    }
  }

  /**
   * Get the left field of the given position.