PamCut/PamCutBase/PamCutBase.h

/*
 * PamCutBase.h
 *
 *  Created on: 6-feb-2009
 *      Author: Nicola Mori
 */

/*! \file PamCutBase.h PamCut and PamCutCollection classes definitions. */

#ifndef PAMCUTBASE_H_
#define PAMCUTBASE_H_

#include <PamLevel2.h>
#include "../CommonDefs.h"

using namespace std;

/*! @brief An abstract class to apply cuts to Pamela data.
 *
 * This class provides a basic interface for a cut object to apply to PamLevel2 data.
 */
class PamCut {
public:

  /*! @brief Constructor. */
  PamCut(const char *cutName) :
    _cutName(cutName), _nEv(0), _nGood(0) {
  }

  /*! @brief Destructor. */
  virtual ~PamCut() {
  }

  /*! @brief The basic event check.
   *
   *  This routine applies the cut to the currently selected event, eg., to the event selected
   *  by the last PamLevel2::GetEntry() call performed by the object pointed by event. Note that
   *  OnGood() is not called by this method.
   *
   * @param event The event to analyze.
   * @return #CUTOK if the event satisfy the cut, other return values are implementation-specific.
   */

  virtual int Check(PamLevel2 *event) = 0;

  /*! @brief Applies the cut to the current event.
   *
   *  This routine applies the cut to the currently selected event, eg., it calls Check() and if the
   *  event satisfy the selection it consequently call OnGood(), otherwise it calls OnBad()(this is
   *  the only difference with Check()).
   *
   * @param event The event to analyze.
   * @return same return values as Check()
   */
  virtual int ApplyCut(PamLevel2 *event);

  /*! @brief Applies the cut to a range of events.
   *
   * This method resets the counters calling Reset() and then calls ApplyCut(PamLevel2 *event) for all
   * the events in PamLevel2 argument inside the specified range. After checking all the events, it calls
   * the private method _Finalize(), on which the tasks to be performed after the selection can be defined.
   *
   * @param events Pointer to PamLevel2 object which contains the events.
   * @param firstEvent The first event to analyze. Possible values range from 0 to \#events - 1.
   * @param lastEvent The last event to analyze.
   */
  virtual void Process(PamLevel2 *events, ULong_t firstEvent, ULong_t lastEvent);

  /*! @brief Post-selection tasks.
   *
   * Here the post-selection actions (histogram filling, parameter calculation etc.) can be  defined.
   * This routine is automatically called after a good event has been selected by
   * ApplyCut().
   * @param event The event which satisfy the cut.
   */
  virtual void OnGood(PamLevel2 *event) {
  }

  /*! @brief Post-selection tasks.
   *
   * The post-selection tasks for bad events (ie., not satisfying the cut) can be defined here.
   *
   * @see OnGood
   * @param event The event which don't satisfy the cut.
   * @param selectionResult The return value of the Check() routine.
   */
  virtual void OnBad(PamLevel2 *event, int selectionResult) {
  }

  /*! @brief Returns the number of checked events.
   *
   * @return The number of checked events.
   */
  virtual UInt_t GetNEv() {
    return _nEv;
  }
  /*! @brief Returns the number of good events.
   *
   * This counter keeps track of how many events have fulfilled the
   * conditions specified in Check.
   *
   * @return The number of good events.
   */
  virtual UInt_t GetNGood() {
    return _nGood;
  }

  /*! @brief The pre-analysis task definition.
   *
   * This method is automatically called by Process() before the event selection;
   * override this in derived classes to perform pre-analysis tasks like opening files and so on.
   * In this base class implementation it only resets the counters for examined and good events.
   * The parameter PamLevel2 *events may serve to initialize the analysis (even if in this base class
   * implementation it is unused), so the interface includes it.
   *
   * @param events The PamLevel2 pointer to the events that will be analyzed.
   *
   * @see GetNEv(), GetNGood().
   */
  virtual void Setup(PamLevel2 *events);

  /*! @brief The post-analysis task definition.
   *
   * This method is automatically called by Process() after the event selection has been
   * performed; override this in derived classes to perform post-analysis tasks like writing
   * histograms, closing files and so on.
   */
  virtual void Finalize() {
  }

  /*! @brief Returns the cut name.
   *
   * @return The cut name.
   */
  const char* GetName() const;

  /*! @brief Changes the cut's name
   *
   * @param newName The new name.
   */
  void SetName(const char *newName);

  /*! @brief The assignment operator.
   * This operator defines how to copy a PamCut object into another. In current implementation,
   * it only copies the cut's name of the RHS on the LHS.
   *
   * @param rightValue The RHS.
   * @return The new value for LHS.
   */
  PamCut& operator=(const PamCut &rightValue);

private:

  const char *_cutName;

protected:

  UInt_t _nEv; ///<  The number of analyzed events.
  UInt_t _nGood; ///<  The number of good events.
};

/*! @brief A class which applies a set of cuts to Pamela data.
 *
 * This is a multi-cut class, which inherits from PamCut. Indeed, a multi-cut can be seen as a cut composed
 * by various simpler cuts; hence the interface of PamCut is also functional for PamCutCollection. The
 * ApplyCut(PamLevel2 *event) method is overridden so as all the cuts that compose the PamCutCollection are applied to the
 * events in the same order they are added to the collection. Instead, Process(PamLevel2 *events, ULong_t firstEvent, ULong_t lastEvent)
 * is NOT overridden, since it performs the same task as the one in the base class: it is sufficient to override
 * Check(PamLevel2 *event) to replace the single-cut evaluation with a multi-cut evaluation.
 */
class PamCutCollection: public PamCut {
public:

  /*! @brief Constructor.
   *
   * @param collectionName The collection's name.
   */
  PamCutCollection(const char *collectionName) :
    PamCut(collectionName) {
  }

  /*! @brief Destructor. */
  ~PamCutCollection() {
  }

  /*! @brief Adds a cut to the cut collection
   *  This routine adds a cut to the collection. These are stored in a vector in the same order
   *  they are inserted (the first cut would be element 0, the second cut element 1 and so on).
   *  All the references to a "cut number" or "cut index" will refer to this numbering scheme.
   *
   * @param cut The PamCut-derived object to add to the collection.
   */
  void AddCut(PamCut &cut);

  /*! @brief The basic selection.
   *
   *  Like in the mother class, this method performs a basic check on the current event: it calls
   *  Check() for each cut previously added with AddCut(), exiting if one of them is not satisfied.
   *
   *  @return the index of the failed cut (range: [0, \#cuts-1], see AddCut()); #CUTOK if the event
   *  satisfies all the cuts.
   */
  int Check(PamLevel2 *event);

  /*! @brief Applies the cuts to the current event.
   *
   *  This routine works pretty much like the redefinition of Check(), calling ApplyCut() (instead of
   *  Check() )for each cut. If a cut fails, it calls OnBad(), passing the index of the failed cut as
   *  the selectionResult argument. If all the cuts are successful, it calls OnGood().
   *
   * @param event The event to analyze.
   * @return same return values as Check().
   */
  int ApplyCut(PamLevel2 *event);

  /*! @brief Returns a pointer to the iCut-th cut.
   *
   *  The return value of this method is a pointer to a PamCut object; hence, to use the specific method of
   *  derived cuts it must be cast to the proper cut class.
   *
   *  @param iCut The cut number, defined as the insertion order (from 0 to \#cuts-1, see AddCut()).
   *  @return pointer to the iCut-th cut; NULL if the specified cut cannot be found or if no cuts are present.
   * */
  PamCut *GetCut(unsigned int iCut);

  /*! @brief The number of cuts contained in the collection.
   *
   * @return The number of cuts
   */
  unsigned int GetSize();

  /*! @brief The pre-analysis task definition.
   *
   * This override of the Setup() method calls Setup() for the base class PamCut, and subsequently for each cut
   * contained in the collection, in the same order the cuts were added to the collection.
   *
   * @param events The PamLevel2 pointer to the events that will be analyzed. Unused, but required by the interface.
   */
  void Setup(PamLevel2 *events);

  /*! @brief The post-analysis task definition.
   *
   * This override of the Finalize() method calls  PamCut::Finalize() and then the Finalize() method of each cut
   * contained in the collection, in the same order.
   */
  void Finalize();

  /*! @brief Assignment operator redefinition.
   * The assignment operator replaces the content of the LHS with that of RHS. The net effect would be that
   * the cuts contained in the LHS are exactly the same that are in the RHS. In particular, this means that
   * any modification to one of the cuts will propagate both to the LHS and RHS collections. Also the cut
   * name will be copied, since the implementation invokes PamCut::operator=.
   *
   * @param rightValue The RHS.
   * @return The new value for LHS.
   */
  PamCutCollection& operator=(const PamCutCollection &rightValue);

protected:
  /*! @brief A vector containing pointers to PamCut objects */
  std::vector<PamCut*> _cuts;

};

#endif /* PAMCUTBASE_H_ */
1	pam-fi	1.1	/*
2			* PamCutBase.h
3			*
4			* Created on: 6-feb-2009
5			* Author: Nicola Mori
6			*/
7
8			/! \file PamCutBase.h PamCut and PamCutCollection classes definitions. /
9
10			#ifndef PAMCUTBASE_H_
11			#define PAMCUTBASE_H_
12
13			#include <PamLevel2.h>
14			#include "../CommonDefs.h"
15
16			using namespace std;
17
18			/*! @brief An abstract class to apply cuts to Pamela data.
19			*
20			* This class provides a basic interface for a cut object to apply to PamLevel2 data.
21			*/
22			class PamCut {
23			public:
24
25			/! @brief Constructor. /
26			PamCut(const char *cutName) :
27			_cutName(cutName), _nEv(0), _nGood(0) {
28			}
29
30			/! @brief Destructor. /
31			virtual ~PamCut() {
32			}
33
34			/*! @brief The basic event check.
35			*
36			* This routine applies the cut to the currently selected event, eg., to the event selected
37			* by the last PamLevel2::GetEntry() call performed by the object pointed by event. Note that
38			* OnGood() is not called by this method.
39			*
40			* @param event The event to analyze.
41			* @return #CUTOK if the event satisfy the cut, other return values are implementation-specific.
42			*/
43
44			virtual int Check(PamLevel2 *event) = 0;
45
46			/*! @brief Applies the cut to the current event.
47			*
48			* This routine applies the cut to the currently selected event, eg., it calls Check() and if the
49			* event satisfy the selection it consequently call OnGood(), otherwise it calls OnBad()(this is
50			* the only difference with Check()).
51			*
52			* @param event The event to analyze.
53			* @return same return values as Check()
54			*/
55			virtual int ApplyCut(PamLevel2 *event);
56
57			/*! @brief Applies the cut to a range of events.
58			*
59			* This method resets the counters calling Reset() and then calls ApplyCut(PamLevel2 *event) for all
60			* the events in PamLevel2 argument inside the specified range. After checking all the events, it calls
61			* the private method _Finalize(), on which the tasks to be performed after the selection can be defined.
62			*
63			* @param events Pointer to PamLevel2 object which contains the events.
64			* @param firstEvent The first event to analyze. Possible values range from 0 to \#events - 1.
65			* @param lastEvent The last event to analyze.
66			*/
67			virtual void Process(PamLevel2 *events, ULong_t firstEvent, ULong_t lastEvent);
68
69			/*! @brief Post-selection tasks.
70			*
71			* Here the post-selection actions (histogram filling, parameter calculation etc.) can be defined.
72			* This routine is automatically called after a good event has been selected by
73			* ApplyCut().
74			* @param event The event which satisfy the cut.
75			*/
76			virtual void OnGood(PamLevel2 *event) {
77			}
78
79			/*! @brief Post-selection tasks.
80			*
81			* The post-selection tasks for bad events (ie., not satisfying the cut) can be defined here.
82			*
83			* @see OnGood
84			* @param event The event which don't satisfy the cut.
85			* @param selectionResult The return value of the Check() routine.
86			*/
87			virtual void OnBad(PamLevel2 *event, int selectionResult) {
88			}
89
90			/*! @brief Returns the number of checked events.
91			*
92			* @return The number of checked events.
93			*/
94			virtual UInt_t GetNEv() {
95			return _nEv;
96			}
97			/*! @brief Returns the number of good events.
98			*
99			* This counter keeps track of how many events have fulfilled the
100			* conditions specified in Check.
101			*
102			* @return The number of good events.
103			*/
104			virtual UInt_t GetNGood() {
105			return _nGood;
106			}
107
108			/*! @brief The pre-analysis task definition.
109			*
110			* This method is automatically called by Process() before the event selection;
111			* override this in derived classes to perform pre-analysis tasks like opening files and so on.
112			* In this base class implementation it only resets the counters for examined and good events.
113			* The parameter PamLevel2 *events may serve to initialize the analysis (even if in this base class
114			* implementation it is unused), so the interface includes it.
115			*
116			* @param events The PamLevel2 pointer to the events that will be analyzed.
117			*
118			* @see GetNEv(), GetNGood().
119			*/
120			virtual void Setup(PamLevel2 *events);
121
122	pam-fi	1.2	/*! @brief The post-analysis task definition.
123	pam-fi	1.1	*
124			* This method is automatically called by Process() after the event selection has been
125			* performed; override this in derived classes to perform post-analysis tasks like writing
126			* histograms, closing files and so on.
127			*/
128			virtual void Finalize() {
129			}
130
131			/*! @brief Returns the cut name.
132			*
133			* @return The cut name.
134			*/
135			const char* GetName() const;
136
137			/*! @brief Changes the cut's name
138			*
139			* @param newName The new name.
140			*/
141			void SetName(const char *newName);
142
143			/*! @brief The assignment operator.
144			* This operator defines how to copy a PamCut object into another. In current implementation,
145			* it only copies the cut's name of the RHS on the LHS.
146			*
147			* @param rightValue The RHS.
148			* @return The new value for LHS.
149			*/
150			PamCut& operator=(const PamCut &rightValue);
151
152			private:
153
154			const char *_cutName;
155
156			protected:
157
158			UInt_t _nEv; ///< The number of analyzed events.
159			UInt_t _nGood; ///< The number of good events.
160			};
161
162			/*! @brief A class which applies a set of cuts to Pamela data.
163			*
164			* This is a multi-cut class, which inherits from PamCut. Indeed, a multi-cut can be seen as a cut composed
165			* by various simpler cuts; hence the interface of PamCut is also functional for PamCutCollection. The
166			* ApplyCut(PamLevel2 *event) method is overridden so as all the cuts that compose the PamCutCollection are applied to the
167			* events in the same order they are added to the collection. Instead, Process(PamLevel2 *events, ULong_t firstEvent, ULong_t lastEvent)
168			* is NOT overridden, since it performs the same task as the one in the base class: it is sufficient to override
169			* Check(PamLevel2 *event) to replace the single-cut evaluation with a multi-cut evaluation.
170			*/
171			class PamCutCollection: public PamCut {
172			public:
173
174			/*! @brief Constructor.
175			*
176	pam-fi	1.2	* @param collectionName The collection's name.
177	pam-fi	1.1	*/
178	pam-fi	1.2	PamCutCollection(const char *collectionName) :
179			PamCut(collectionName) {
180	pam-fi	1.1	}
181
182			/! @brief Destructor. /
183			~PamCutCollection() {
184			}
185
186			/*! @brief Adds a cut to the cut collection
187			* This routine adds a cut to the collection. These are stored in a vector in the same order
188			* they are inserted (the first cut would be element 0, the second cut element 1 and so on).
189			* All the references to a "cut number" or "cut index" will refer to this numbering scheme.
190			*
191			* @param cut The PamCut-derived object to add to the collection.
192			*/
193			void AddCut(PamCut &cut);
194
195			/*! @brief The basic selection.
196			*
197			* Like in the mother class, this method performs a basic check on the current event: it calls
198			* Check() for each cut previously added with AddCut(), exiting if one of them is not satisfied.
199			*
200			* @return the index of the failed cut (range: [0, \#cuts-1], see AddCut()); #CUTOK if the event
201			* satisfies all the cuts.
202			*/
203			int Check(PamLevel2 *event);
204
205			/*! @brief Applies the cuts to the current event.
206			*
207			* This routine works pretty much like the redefinition of Check(), calling ApplyCut() (instead of
208			* Check() )for each cut. If a cut fails, it calls OnBad(), passing the index of the failed cut as
209			* the selectionResult argument. If all the cuts are successful, it calls OnGood().
210			*
211			* @param event The event to analyze.
212			* @return same return values as Check().
213			*/
214			int ApplyCut(PamLevel2 *event);
215
216			/*! @brief Returns a pointer to the iCut-th cut.
217			*
218			* The return value of this method is a pointer to a PamCut object; hence, to use the specific method of
219			* derived cuts it must be cast to the proper cut class.
220			*
221			* @param iCut The cut number, defined as the insertion order (from 0 to \#cuts-1, see AddCut()).
222			* @return pointer to the iCut-th cut; NULL if the specified cut cannot be found or if no cuts are present.
223			* */
224			PamCut *GetCut(unsigned int iCut);
225
226			/*! @brief The number of cuts contained in the collection.
227			*
228			* @return The number of cuts
229			*/
230			unsigned int GetSize();
231
232			/*! @brief The pre-analysis task definition.
233			*
234			* This override of the Setup() method calls Setup() for the base class PamCut, and subsequently for each cut
235			* contained in the collection, in the same order the cuts were added to the collection.
236			*
237			* @param events The PamLevel2 pointer to the events that will be analyzed. Unused, but required by the interface.
238			*/
239			void Setup(PamLevel2 *events);
240
241			/*! @brief The post-analysis task definition.
242			*
243			* This override of the Finalize() method calls PamCut::Finalize() and then the Finalize() method of each cut
244			* contained in the collection, in the same order.
245			*/
246			void Finalize();
247
248			/*! @brief Assignment operator redefinition.
249			* The assignment operator replaces the content of the LHS with that of RHS. The net effect would be that
250			* the cuts contained in the LHS are exactly the same that are in the RHS. In particular, this means that
251			* any modification to one of the cuts will propagate both to the LHS and RHS collections. Also the cut
252			* name will be copied, since the implementation invokes PamCut::operator=.
253			*
254			* @param rightValue The RHS.
255			* @return The new value for LHS.
256			*/
257			PamCutCollection& operator=(const PamCutCollection &rightValue);
258
259			protected:
260			/! @brief A vector containing pointers to PamCut objects /
261			std::vector<PamCut*> _cuts;
262
263			};
264
265			#endif /* PAMCUTBASE_H_ */