@startuml Actor Schedular as S Boundary "User Interface Screen" as UI #lightblue Control Controller #lightblue Box System #feff2a Participant B #lightblue Database Database as DB #lightpink End Box S ->> UI: trigger () activate UI UI -> Controller: calls() activate Controller Controller ->> B: allocates to() activate B B -> DB: execute query(sql):recordset activate DB DB -->> B: result() deactivate DB loop process record set Else for each record alt Doctype Else RTF B -> B: RTF Transform() Else XML B -> B: XML Transform() End End B -->> Controller: notifies() deactivate B Controller -->> UI: returns() deactivate Controller UI ->> S: error() activate S deactivate S deactivate UI @enduml Submit amiga aws-orange black-knight bluegray blueprint cerulean-outline cerulean crt-amber crt-green cyborg-outline cyborg hacker lightgray mars materia-outline materia metal mimeograph minty plain reddress-darkblue reddress-darkgreen reddress-darkorange reddress-darkred reddress-lightblue reddress-lightgreen reddress-lightorange reddress-lightred sandstone silver sketchy-outline sketchy spacelab spacelab-white superhero-outline superhero toy united vibrant       🎉 Discover the future PlantUML Web Editor! 🚀  PNG  SVG  ASCII Art