| 1 | /* ======================================================================== *\
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| 2 | !
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| 3 | ! *
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| 4 | ! * This file is part of MARS, the MAGIC Analysis and Reconstruction
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| 5 | ! * Software. It is distributed to you in the hope that it can be a useful
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| 6 | ! * and timesaving tool in analysing Data of imaging Cerenkov telescopes.
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| 7 | ! * It is distributed WITHOUT ANY WARRANTY.
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| 8 | ! *
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| 9 | ! * Permission to use, copy, modify and distribute this software and its
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| 10 | ! * documentation for any purpose is hereby granted without fee,
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| 11 | ! * provided that the above copyright notice appear in all copies and
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| 12 | ! * that both that copyright notice and this permission notice appear
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| 13 | ! * in supporting documentation. It is provided "as is" without express
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| 14 | ! * or implied warranty.
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| 15 | ! *
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| 16 | !
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| 17 | !
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| 18 | ! Author(s): Thomas Bretz 12/2000 (tbretz@uni-sw.gwdg.de)
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| 19 | !
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| 20 | ! Copyright: MAGIC Software Development, 2000-2001
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| 21 | !
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| 22 | !
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| 23 | \* ======================================================================== */
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| 24 |
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| 25 | /////////////////////////////////////////////////////////////////////////////
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| 26 | // //
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| 27 | // MTask //
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| 28 | // //
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| 29 | // Base class for all tasks which can perfomed in a tasklist //
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| 30 | // For each event processed in the eventloop all the different //
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| 31 | // tasks in the tasklist will be processed. //
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| 32 | // //
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| 33 | // So all tasks must inherit from this baseclass. //
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| 34 | // //
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| 35 | // The inheritance from MInputStreamID is used to indicate the //
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| 36 | // type of event that this task is for. If it is "All" it is executed //
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| 37 | // independantly of the actual ID of the task list. //
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| 38 | // //
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| 39 | // Inside this abstract class, there are three fundamental function: //
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| 40 | // //
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| 41 | // - PreProcess(): executed before the eventloop starts. Here you //
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| 42 | // can initiate different things, open files, etc. //
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| 43 | // As an argument this function gets a pointer to the //
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| 44 | // parameter list. You can stop the execution by //
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| 45 | // returning kFALSE instead of kTRUE. If an error //
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| 46 | // occured and you return kFALSE make sure, that //
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| 47 | // any action is closed correctly and all newly //
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| 48 | // created object are deleted. The PostProcess in //
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| 49 | // such a case won't be executed by the Tasklist or //
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| 50 | // Eventloop. //
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| 51 | // //
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| 52 | // - Process(): executed for each event in the eventloop. Do it //
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| 53 | // one task after the other (as they occur in the //
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| 54 | // tasklist). Only the tasks with a Stream ID //
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| 55 | // which matches the actual ID of the tasklist //
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| 56 | // are executed. A task can return kFALSE to //
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| 57 | // stop the execuition of the tasklist or //
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| 58 | // kCONTINUE to skip the pending tasks. //
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| 59 | // //
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| 60 | // - PostProcess(): executed after the eventloop. Here you can close //
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| 61 | // output files, start display of the run parameter, //
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| 62 | // etc. PostProcess should be executed only if //
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| 63 | // PreProcess was successfull (returned kTRUE) //
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| 64 | // //
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| 65 | /////////////////////////////////////////////////////////////////////////////
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| 66 |
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| 67 | #include "MTask.h"
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| 68 |
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| 69 | ClassImp(MTask);
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| 70 |
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| 71 | // --------------------------------------------------------------------------
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| 72 | //
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| 73 | // This is processed before the eventloop starts
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| 74 | //
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| 75 | // It is the job of the PreProcess to connect the tasks
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| 76 | // with the right container in the parameter list.
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| 77 | //
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| 78 | // the virtual implementation returns kTRUE
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| 79 | //
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| 80 | Bool_t MTask::PreProcess(MParList *pList)
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| 81 | {
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| 82 | return kTRUE;
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| 83 | }
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| 84 |
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| 85 | // --------------------------------------------------------------------------
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| 86 | //
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| 87 | // This is processed for every event in the eventloop
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| 88 | //
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| 89 | // the virtual implementation returns kTRUE
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| 90 | //
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| 91 | Bool_t MTask::Process()
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| 92 | {
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| 93 | return kTRUE;
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| 94 | }
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| 95 |
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| 96 | // --------------------------------------------------------------------------
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| 97 | //
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| 98 | // This is processed after the eventloop starts
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| 99 | //
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| 100 | // the virtual implementation returns kTRUE
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| 101 | //
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| 102 | Bool_t MTask::PostProcess()
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| 103 | {
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| 104 | return kTRUE;
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| 105 | }
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| 106 |
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| 107 |
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