| 1 | /////////////////////////////////////////////////////////////////////////////
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| 2 | // //
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| 3 | // MTask //
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| 4 | // //
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| 5 | // Base class for all tasks which can perfomed in a tasklist //
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| 6 | // For each event processed in the eventloop all the different //
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| 7 | // tasks in the tasklist will be processed. //
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| 8 | // //
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| 9 | // So all tasks must inherit from this baseclass. //
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| 10 | // //
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| 11 | // The inheritance from MInputStreamID is used to indicate the //
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| 12 | // type of event that this task is for. If it is "All" it is executed //
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| 13 | // independantly of the actual ID of the task list. //
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| 14 | // //
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| 15 | // Inside this abstract class, there are three fundamental function: //
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| 16 | // //
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| 17 | // - PreProcess(): executed before the eventloop starts. Here you //
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| 18 | // can initiate different things, open files, etc. //
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| 19 | // As an argument this function gets a pointer to the //
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| 20 | // parameter list. You can stop the execution by //
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| 21 | // kFALSE instread of kTRUE. //
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| 22 | // //
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| 23 | // - Process(): executed for each event in the eventloop. Do in //
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| 24 | // one task after the other (as the occur in the //
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| 25 | // tasklist) the action of one task. Only the tasks //
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| 26 | // with a Stream ID which matches the actual ID of the //
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| 27 | // task list are executed. A task can return kFALSE //
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| 28 | // to stop the execuition of the pending taks in a //
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| 29 | // list or kCONTINUE to skip the pending tasks. //
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| 30 | // //
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| 31 | // - PostProcess(): executed after the eventloop. Here you can close //
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| 32 | // output files, start display of the run parameter, //
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| 33 | // etc. //
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| 34 | // //
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| 35 | /////////////////////////////////////////////////////////////////////////////
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| 36 |
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| 37 | #include "MTask.h"
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| 38 |
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| 39 | ClassImp(MTask)
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| 40 |
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| 41 | Bool_t MTask::PreProcess( MParList *pList )
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| 42 | {
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| 43 | //
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| 44 | // This is processed before the eventloop starts
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| 45 | //
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| 46 | // It is the job of the PreProcess to connect the tasks
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| 47 | // with the right container in the parameter list.
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| 48 | //
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| 49 | // the virtual implementation returns kTRUE
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| 50 | //
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| 51 | return kTRUE;
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| 52 | }
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| 53 |
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| 54 | Bool_t MTask::Process()
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| 55 | {
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| 56 | //
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| 57 | // This is processed for every event in the eventloop
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| 58 | //
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| 59 | // the virtual implementation returns kTRUE
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| 60 | //
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| 61 | return kTRUE;
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| 62 | }
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| 63 |
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| 64 | Bool_t MTask::PostProcess()
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| 65 | {
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| 66 | //
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| 67 | // This is processed after the eventloop starts
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| 68 | //
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| 69 | // the virtual implementation returns kTRUE
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| 70 | //
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| 71 | return kTRUE;
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| 72 | }
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| 73 |
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| 74 |
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