ADDED Javadoc.

Signed-off-by: Michael Grammling <m.grammling@external.telekom.de>
CHANGED: Minor code improvement.

Signed-off-by: Michael Grammling <m.grammling@external.telekom.de>
CHANGED: Minor code improvement.

Signed-off-by: Michael Grammling <m.grammling@external.telekom.de>