// @(#)root/table:$Name: $:$Id: TIndexTable.cxx,v 1.5 2006/05/21 18:05:26 brun Exp $ // Author: Valery Fine(fine@bnl.gov) 01/03/2001 /************************************************************************* * Copyright (C) 1995-2004, Rene Brun and Fons Rademakers. * * Copyright (C) 2001 [BNL] Brookhaven National Laboratory. * * All rights reserved. * * * * For the licensing terms see $ROOTSYS/LICENSE. * * For the list of contributors see $ROOTSYS/README/CREDITS. * *************************************************************************/ #include "TIndexTable.h" ////////////////////////////////////////////////////////////////////////////// // TIndexTable class is helper class to keep the list of the referencs to the // TTable rows and iterate over it. // TIndexTable is a persistent class. // The pointer to the TIndexTable object may be used as an element // of the TTable row and saved with the table all together. // // For example, the track table may contain a member to the "map" of the hits // struct { // float helix; // TIndexTable *hits; // } tracks_t; // // // Create track table: // LArTrackTable *tracks = new LArTrackTable(...); // // // Get pointer to the hit table // LArHitTable *hits = GiveMeHits(); // // Loop over all tracks // LArTrackTable::iterator track = tracks->begin(); // LArTrackTable::iterator last = tracks->end(); // for (;track != last;track++) { // // Find all hits of this track // LArHitTable::iterator hit = hits->begin(); // LArHitTable::iterator lastHit = hits->end(); // Long_t hitIndx = 0; // // Create an empty list of this track hits // (*track).hits = new TIndexTable(hits); // for(;hit != lastHit;hit++,hitIndx) { // if (IsMyHit(*hit)) { // add this hit index to the current track // (*track).hits->push_back(hitIndx); // } // } // } //___________________________________________________________________ // TableClassImpl(TIndexTable,int); TTableDescriptor *TIndexTable::fgColDescriptors = TIndexTable::CreateDescriptor(); ClassImp(TIndexTable) #if 0 void TIndexTable::Dictionary() { //to be documented TClass *c = CreateClass(_QUOTE_(className), Class_Version(), DeclFileName(), ImplFileName(), DeclFileLine(), ImplFileLine()); char *structBuf = new char[strlen(_QUOTE2_(structName,.h))+2]; strcpy(structBuf,_QUOTE2_(structName,.h)); char *s = strstr(structBuf,"_st.h"); if (s) { *s = 0; strcat(structBuf,".h"); } TClass *r = CreateClass(_QUOTE_(structName), Class_Version(), structBuf, structBuf, 1, 1 ); fgIsA = c; fgColDescriptors = new TTableDescriptor(r); } _TableClassImp_(TIndexTable,int) #endif TableClassStreamerImp(TIndexTable) //___________________________________________________________________ TIndexTable::TIndexTable(const TTable *table):TTable("Index",-1), fRefTable(table) { //to be documented if (!fgColDescriptors) CreateDescriptor(); fSize = fgColDescriptors->Sizeof(); // Add refered table to this index. // yf if (table) Add((TDataSet *)table); } //___________________________________________________________________ TTableDescriptor *TIndexTable::CreateDescriptor() { //to be documented if (!fgColDescriptors) { // Set an empty descriptor fgColDescriptors= new TTableDescriptor("int"); // Create one if (fgColDescriptors) { TTableDescriptor &dsc = *fgColDescriptors; tableDescriptor_st row; memset(&row,0,sizeof(row)); strncpy(row.fColumnName,"index",sizeof(row.fColumnName)); row.fType = kInt; row.fTypeSize = sizeof(Int_t); row.fSize = row.fTypeSize; dsc.AddAt(&row); } } return fgColDescriptors; } //___________________________________________________________________ const TTable *TIndexTable::Table() const { //to be documented return fRefTable; }