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13.5.22-aleph 11.4.16 11.4.15 11.4.14 11.4.13 9.9.7 9.9.6 8.12.4 8.12.3 8.12.1 8.12.0 retired 8.2.1 8.2.0 8.1.0 7.11.0 7.10.4 7.10.3 7.10.2 7.10.1 7.9.1 7.9.0 7.8.2 7.8.1 7.8.0 7.6.4 7.6.3 7.6.2 7.6.1 7.6.0 7.5.15 7.5.14 7.5.13 7.5.12 7.5.11 7.5.10 7.5.9 7.5.8 7.5.7 7.5.6 7.5.5 7.5.3 7.5.2 7.5.1 7.5.0 7.4.11 7.4.10 7.4.9 7.4.8 7.4.7 7.4.6 7.4.5 7.4.4 7.4.3 7.4.2 7.4.1 7.4.0 7.3.0 7.2.8 7.2.7 7.2.6 7.1.6 7.1.5 7.1.4 7.1.3 7.1.2 6.12.7 6.12.6 6.12.5 6.12.3 6.12.2 6.12.1 6.12.0 6.11.0 6.10.0 6.5.3 6.5.2 6.5.1 6.5.0 6.4.0 6.3.0 5.12.0 5.11.4 5.11.3 5.11.2 5.11.1 5.11.0 5.8.7 5.8.6 5.8.5 5.8.4 5.8.3 5.8.2 5.8.1 5.8.0 5.7.0 5.6.0 5.5.2 5.5.1 5.4.0 5.2.0 5.1.3 5.1.2 5.1.1 4.12.4 4.12.3 4.12.2 4.12.1 4.12.0 4.11.8 4.11.7 4.11.6 4.11.5 4.11.4 4.11.3 4.11.2 4.11.1 4.11.0 4.10.24 4.10.23 4.10.22 4.10.21 4.10.20 4.10.19 4.10.18 4.10.17 4.10.16 4.10.15 4.10.14 4.10.13 4.10.12 4.10.11 4.10.10 4.10.9 4.10.8 4.10.7 4.10.6 4.10.5 4.10.4 4.10.3 4.10.2 4.10.1 4.10.0 4.9.18 4.9.17 4.9.16 4.9.15 4.9.14 4.9.13 4.9.12 4.9.11 4.9.10 4.9.9 4.9.8 4.9.7 4.9.6 4.9.5 4.9.4 4.9.3 4.9.2 4.9.1 4.9.0 4.8.1 4.8.0 4.7.5 4.7.3 4.7.2 4.7.1 4.7.0 4.6.0 2.4.0 0.7.16

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bpe src bpe_task.erl
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src/bpe_task.erl 

-module(bpe_task).

-author('Maxim Sokhatsky').

-compile(export_all).

-include("bpe.hrl").



find_flow(List) -> [H|_] = List, H.

find_flow([],List) -> find_flow(List);

find_flow(Stage,List) -> case lists:member(Stage,List) of

                              true -> Stage;

                              _ -> find_flow(List) end.



targets(Curr,Proc) ->

    Targets = lists:flatten([ Target || #sequenceFlow{source=Source,target=Target} <- Proc#process.flows,

                Source==Curr]).



denied_flow(Curr,Proc) ->

    {reply,{denied_flow,Curr},Proc}.



already_finished(Proc) ->

    {stop,{normal,[]},Proc}.



task_action(Module,CurrentTask,Target,Proc) ->

    case Module:action({request,CurrentTask},Proc) of

         {run,State}                  -> bpe_proc:run('Finish',State);

         {until,Task,State}           -> bpe_proc:run(Task,State);

         {reply,State}                -> {reply,{complete,Target},State};

         {error,Message,Task,State}   -> {reply,{error,Message,Task},State};

         {{reply,Message},Task,State} -> {reply,{{complete,Message},Task},State};

         {reply,Task,State}           -> {reply,{complete,Task},State} end.



handle_task(#beginEvent{},CurrentTask,Target,Proc) ->

    {reply,{complete,Target},Proc};



handle_task(#userTask{module=Module},CurrentTask,Target,Proc) ->

    task_action(Module,CurrentTask,Target,Proc);



handle_task(#receiveTask{module=Module},CurrentTask,Target,Proc) ->

    task_action(Module,CurrentTask,Target,Proc);



handle_task(#serviceTask{module=Module},CurrentTask,Target,Proc) ->

    task_action(Module,CurrentTask,Target,Proc);



handle_task(#endEvent{},CurrentTask,Target,Proc) ->

    {stop,{normal,Target},Proc};



handle_task(_,_,Target,Proc) ->

    {reply,{unknown_task,Target},Proc}.