/[PAMELA software]/PamCut/CollectionActions/SaveEventsAction/SaveEventsAction.h
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revision 1.2 by pam-fi, Tue Sep 22 13:01:41 2009 UTC revision 1.3 by pam-fi, Thu Jul 8 14:00:24 2010 UTC
# Line 14  Line 14 
14    
15  /*! @brief An action that saves the selected events  /*! @brief An action that saves the selected events
16   *   *
17   * This action saves the selected events into a ROOT file.   * This action saves the selected events into a ROOT file. WARNING: since this class uses the PamLevel2 clone trees, you can
18     * have NO MORE THAN 1 SaveEventsAction objects in your code (otherwise they will share the same PamLevel2 clone trees, resulting
19     * in an undefined behavior).
20   */   */
21  class SaveEventsAction: public CollectionAction {  class SaveEventsAction: public CollectionAction {
22    
# Line 27  public: Line 29  public:
29     * @param actionName The action's name.     * @param actionName The action's name.
30     * @param outFileName The output file name, with path (absolute or relative).     * @param outFileName The output file name, with path (absolute or relative).
31     * @param outOptions The output options.     * @param outOptions The output options.
32       * @param maxFileSize The maximum output file size in bytes; default is 4 GB. If the maximum size will exceed this value
33       *                    an error will be generated, since the first clone tree in PamLevel2 which during its Fill will exceed
34       *                    this value will try to close the current file and open another one (this is the predefined TTree behavior)
35       *                    leaving the other clone trees with no file to write on.
36       *                    Note: if specifying the size you get a compiler warning like "warning: this decimal constant is unsigned
37       *                    only in ISO C90" then append LL to the numerical constant, to tell the compiler that it has to be interpreted
38       *                    as a long long int.
39     */     */
40    SaveEventsAction(const char *actionName, TString outFileName, TString outOptions = TString(""));    SaveEventsAction(const char *actionName, TString outFileName, TString outOptions = TString(""), Long64_t maxFileSize =
41          4000000000LL);
42    
43    /*! @brief Destructor */    /*! @brief Destructor */
44    ~SaveEventsAction() {    ~SaveEventsAction() {
# Line 57  private: Line 67  private:
67    PamLevel2 *_events;    PamLevel2 *_events;
68    TString _outOptions;    TString _outOptions;
69    TString _outFileName;    TString _outFileName;
70      Long64_t _maxFileSize;
71  };  };
72    
73  #endif /* SAVEEVENTSACTION_H_ */  #endif /* SAVEEVENTSACTION_H_ */
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