| 1 | //////////////////////////////////////////////////////////////////////////
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| 2 | // //
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| 3 | // MBasketSQL //
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| 4 | // //
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| 5 | // Implement TBasket for a SQL backend //
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| 6 | // //
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| 7 | //////////////////////////////////////////////////////////////////////////
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| 8 |
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| 9 | #ifndef MARS_MBasketSQL
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| 10 | #define MARS_MBasketSQL
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| 11 |
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| 12 | #include "MBasketSQL.h"
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| 13 |
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| 14 | #include "TBasket.h"
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| 15 | #include "TTree.h"
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| 16 | #include "TBranch.h"
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| 17 | #include "MBufferSQL.h"
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| 18 |
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| 19 | ClassImp(MBasketSQL)
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| 20 |
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| 21 | namespace std {} using namespace std;
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| 22 |
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| 23 | //_________________________________________________________________________
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| 24 | MBasketSQL::MBasketSQL() : TBasket(), fRowPtr(0)
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| 25 | {
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| 26 | // Default constructor.
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| 27 | }
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| 28 |
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| 29 | //_________________________________________________________________________
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| 30 | MBasketSQL::MBasketSQL(TBranch *branch, TSQLRow **sqlrow, Int_t index, TString type)
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| 31 | {
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| 32 | // Create a TSQLBuffer for this basket.
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| 33 | SetName(branch->GetName());
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| 34 | SetTitle(branch->GetName());
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| 35 |
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| 36 | fClassName = "MBasketSQL";
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| 37 |
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| 38 | fBufferSize = branch->GetBasketSize();
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| 39 | fNevBufSize = branch->GetEntryOffsetLen();
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| 40 | fNevBuf = 0;
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| 41 | fEntryOffset = 0; //Must be set to 0 before calling Sizeof
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| 42 | fDisplacement= 0; //Must be set to 0 before calling Sizeof
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| 43 | fBuffer = 0; //Must be set to 0 before calling Sizeof
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| 44 | fBufferRef = 0;
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| 45 |
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| 46 | fBufferRef = new MBufferSQL(sqlrow, index, type);
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| 47 |
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| 48 | fHeaderOnly = kTRUE;
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| 49 | fLast = 0;
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| 50 | //Streamer(*fBufferRef);
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| 51 | fBuffer = 0;
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| 52 | fBranch = branch;
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| 53 | fHeaderOnly = kFALSE;
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| 54 | branch->GetTree()->IncrementTotalBuffers(fBufferSize);
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| 55 | }
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| 56 |
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| 57 | //_________________________________________________________________________
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| 58 | void MBasketSQL::PrepareBasket(Long64_t entry)
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| 59 | {
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| 60 | // Prepare the basket for the next entry.
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| 61 | fBranch->GetTree()->LoadTree(entry);
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| 62 | }
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| 63 |
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| 64 | //_________________________________________________________________________
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| 65 | Int_t MBasketSQL::ReadBasketBytes(Long64_t , TFile *)
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| 66 | {
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| 67 | Error("ReadBasketBytes","This member function should not be called!");
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| 68 | return 0;
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| 69 | }
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| 70 |
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| 71 | //_________________________________________________________________________
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| 72 | Int_t MBasketSQL::ReadBasketBuffers(Long64_t , Int_t, TFile *)
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| 73 | {
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| 74 | Error("ReadBasketBuffers","This member function should not be called!");
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| 75 | return 0;
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| 76 | }
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| 77 |
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| 78 | //_________________________________________________________________________
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| 79 | void MBasketSQL::Update(Int_t, Int_t)
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| 80 | {
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| 81 | // See TBasket::Update.
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| 82 | fNevBuf++;
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| 83 | }
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| 84 |
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| 85 | #endif
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