| Revision: | 1.5 |
| Committed: | Thu Mar 12 18:19:47 2009 UTC (16 years, 1 month ago) by loizides |
| Content type: | text/plain |
| Branch: | MAIN |
| CVS Tags: | Mit_032, Mit_031, Mit_025c_branch2, Mit_025c_branch1, Mit_030, Mit_029c, Mit_029b, Mit_030_pre1, Mit_029a, Mit_029, Mit_029_pre1, Mit_028a, Mit_025c_branch0, Mit_028, Mit_027a, Mit_027, Mit_026, Mit_025e, Mit_025d, Mit_025c, Mit_025b, Mit_025a, Mit_025, Mit_025pre2, Mit_024b, Mit_025pre1, Mit_024a, Mit_024, Mit_023, Mit_022a, Mit_022, Mit_020d, TMit_020d, Mit_020c, Mit_021, Mit_021pre2, Mit_021pre1, Mit_020b, Mit_020a, Mit_020, Mit_020pre1, Mit_018, Mit_017, Mit_017pre3, Mit_017pre2, Mit_017pre1, Mit_016, Mit_015b, Mit_015a, Mit_015, Mit_014e, Mit_014d, Mit_014c, Mit_014b, Mit_014a, Mit_014, Mit_014pre3, Mit_014pre2, Mit_014pre1, Mit_013d, Mit_013c, Mit_013b, Mit_013a, Mit_013, Mit_013pre1, Mit_012i, Mit_012h, Mit_012g, Mit_012f, Mit_012e, Mit_012d, Mit_012c, Mit_012b, Mit_012a, Mit_012, Mit_011a, Mit_011, Mit_010a, Mit_010, Mit_009c, Mit_009b, Mit_009a, Mit_009, Mit_008, Mit_008pre2, HEAD |
| Branch point for: | Mit_025c_branch |
| Changes since 1.4: | +13 -4 lines |
| Log Message: | Proper resetting of the cached entry in BaseCollection. |
| # | Content |
|---|---|
| 1 | //-------------------------------------------------------------------------------------------------- |
| 2 | // $Id: BaseCollection.h,v 1.4 2009/03/06 13:52:54 loizides Exp $ |
| 3 | // |
| 4 | // BaseCollection |
| 5 | // |
| 6 | // Base collection class (virtual) to allow efficient resetting in TAM. |
| 7 | // |
| 8 | // Authors: C.Loizides |
| 9 | //-------------------------------------------------------------------------------------------------- |
| 10 | |
| 11 | #ifndef MITANA_DATACONT_BASECOLLECTION_H |
| 12 | #define MITANA_DATACONT_BASECOLLECTION_H |
| 13 | |
| 14 | #include <TObject.h> |
| 15 | |
| 16 | namespace mithep |
| 17 | { |
| 18 | class BaseCollection : public TObject |
| 19 | { |
| 20 | public: |
| 21 | BaseCollection() : fEntries(-1) {} |
| 22 | |
| 23 | UInt_t Entries() const; |
| 24 | virtual UInt_t GetEntries() const = 0; |
| 25 | virtual TObject *ObjAt(UInt_t idx) = 0; |
| 26 | virtual const TObject *ObjAt(UInt_t idx) const = 0; |
| 27 | virtual Bool_t IsOwner() const = 0; |
| 28 | virtual void Reset() = 0; |
| 29 | virtual void Trim() = 0; |
| 30 | |
| 31 | protected: |
| 32 | void Clear(Option_t */*opt*/=""); |
| 33 | |
| 34 | mutable Int_t fEntries; //!cached number of entries |
| 35 | |
| 36 | ClassDef(BaseCollection, 1) // Base class of all our collections |
| 37 | }; |
| 38 | } |
| 39 | |
| 40 | //-------------------------------------------------------------------------------------------------- |
| 41 | inline void mithep::BaseCollection::Clear(Option_t */*opt*/) |
| 42 | { |
| 43 | // Reset cache for entries. |
| 44 | |
| 45 | fEntries = -1; |
| 46 | } |
| 47 | |
| 48 | //-------------------------------------------------------------------------------------------------- |
| 49 | inline UInt_t mithep::BaseCollection::Entries() const |
| 50 | { |
| 51 | // Return cached number of entries. |
| 52 | |
| 53 | if (fEntries<0) |
| 54 | fEntries = GetEntries(); |
| 55 | return fEntries; |
| 56 | } |
| 57 | #endif |