public void rotateLeft(JuzerBranch<E> e) {

		JuzerBranch<E> eParent = e.getParent();
		JuzerBranch<E> eRight = e.Right();

		if (eRight == null)
			return;

		JuzerBranch<E> eNewRight = eRight.Left();

		eRight.setLeft(e);
		e.setParent(eRight);

		e.setRight(eNewRight);
		if (eNewRight != null) {
			eNewRight.setParent(e);
		}

		if (eParent == null) {

			eRight.setParent(null);
			this.root = eRight;

		} else {
			boolean isLeft = eParent.Left().equals(e);
			if (isLeft) {
				eParent.setLeft(eRight);
			} else {
				eParent.setRight(eRight);
			}
		}

	}