/[PAMELA software]/PamCut/CollectionActions/TreeOutputActions/TreeOutputAction/TreeOutputAction.h
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revision 1.1 by pam-fi, Fri Nov 13 16:37:12 2009 UTC revision 1.2 by pam-fi, Tue Mar 23 17:27:43 2010 UTC
# Line 18  Line 18 
18   *  It takes care of opening the file, filling the tree and writing it on a file. Descendants   *  It takes care of opening the file, filling the tree and writing it on a file. Descendants
19   *  have to implement the pure virtual members #_InitBranches() and #_ComputeBranches, which   *  have to implement the pure virtual members #_InitBranches() and #_ComputeBranches, which
20   *  takes care, for the current event, of creating the branches and filling the structures   *  takes care, for the current event, of creating the branches and filling the structures
21   *  linked to the branches.   *  linked to the branches. #_InitBranches() will be automatically called at the beginning of
22     *  the analysis, while #_ComputeBranches will be invoked for each event.
23   */   */
24    
25  class TreeOutputAction: public CollectionAction {  class TreeOutputAction: public CollectionAction {
# Line 40  public: Line 41  public:
41    /*! @brief The pre-selection tasks.    /*! @brief The pre-selection tasks.
42     *     *
43     * This routine opens the ROOT output file and calls the #_InitBranches() method.     * This routine opens the ROOT output file and calls the #_InitBranches() method.
44       *
45       * @param events Pointer to PamLevel2 object which contains the events to analize.
46     */     */
47    void Setup(PamLevel2 *events);    void Setup(PamLevel2 *events);
48    
# Line 74  protected: Line 77  protected:
77     * Concrete implementations of this method will have to set the branches to save in     * Concrete implementations of this method will have to set the branches to save in
78     * the file. The tree object which has to be branched is #_tree. If one wants to     * the file. The tree object which has to be branched is #_tree. If one wants to
79     * branch his own structure, one possibility is to define it in the child class' header.     * branch his own structure, one possibility is to define it in the child class' header.
80       *
81       * @param events Pointer to PamLevel2 object which contains the events to analize.
82     */     */
83    virtual void _InitBranches(PamLevel2 *event) = 0;    virtual void _InitBranches(PamLevel2 *events) = 0;
84    
85    /*! @brief The branch computation routine.    /*! @brief The branch computation routine.
86     *     *
# Line 83  protected: Line 88  protected:
88     * event's data. Remember to NOT call _tree.Fill() here: this operation is automatically     * event's data. Remember to NOT call _tree.Fill() here: this operation is automatically
89     * handled by #OnGood(), so you have only to care about filling the buffers.     * handled by #OnGood(), so you have only to care about filling the buffers.
90     * Implementation is demanded to concrete children classes.     * Implementation is demanded to concrete children classes.
91       *
92       * @param event The selected event.
93     */     */
94    virtual void _ComputeBranches(PamLevel2 *event) = 0;    virtual void _ComputeBranches(PamLevel2 *event) = 0;
95    
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