Process Program Development Based on UML and Action CasesPart 1: The Model
Listing 8. Subtasks.
task design_subsystem_1 is
ok: event;
begin
loop
waitfor ok;
— Design process here
end loop
inform task1 to set ok1;
end;
task design_subsystem_2 is
ok: event;
begin
loop
waitfor ok;
— Design process here
end loop
inform task1 to set ok2;
end;
task design_subsystem_3 is
ok: event;
begin
loop
waitfor ok;
— Design process here
end loop
inform task1 to set ok3;
end;
task task1 is
ok1: event;
ok2: event;
ok3: event;
begin
loop
accept start;
— Analysis process here
— Concurrently start three design tasks
inform design_subsystem_1 to set ok;
inform design_subsystem_2 to set ok;
inform design_subsystem_3 to set ok;
— Wait for the completion of the design tasks
waitfor ok1 and ok2 and ok3;
— verify design process here
end loop;
end;
About the Authors
Shih-Chien Chou is with the Department of Computer Science and Information Engineering at the National Dong Hwa University, Hualien, Taiwan and can be contacted at [email protected].
Jen-Yen Jason Chen is with the Department of Computer Science and Information Engineering at the National Chiao Tung University, Hsinchu, Taiwan and can be contacted at [email protected].