Which design pattern to use on Java workflow -


i want implement code executing workflow, i'd avoid chains of if-else statements. design pattern should use? looked @ of them, couldn't find appropriate one

example of workflow.

a-> if(b) c, if(!b) d-> e -> if(f) g, if(!h) i-> j-> k , on..

the obvious choice consider here chain of responsibility. problem cor in cases don't know paths in advance, , laying out possible paths can painstaking. of course, use builder construct chains (remember maze building examples gang of four).

the great thing cor code not become 1 big god object has powerless pawns doing each 'step.'

also, cor affords lot of flexibility. if client comes , says 'omg, there 2 crucial steps missing,' can add them without destabilizing lot of other stuff. single-sourced orchestration archetypal god object antipattern, maybe start cor , plan evacuate if runs out of rope.


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