/data/refman/pasoursint/CMSSW_5_3_3/src/Geometry/TrackerGeometryBuilder/interface/TrackerLayerIdAccessor.h

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#ifndef TRACKERLAYERIDACCESSOR_H
#define TRACKERLAYERIDACCESSOR_H


#include "DataFormats/SiStripDetId/interface/SiStripSubStructure.h"
#include "DataFormats/SiStripDetId/interface/TIBDetId.h"
#include "DataFormats/SiStripDetId/interface/TECDetId.h"
#include "DataFormats/SiStripDetId/interface/TIDDetId.h"
#include "DataFormats/SiStripDetId/interface/TOBDetId.h"
#include "DataFormats/SiPixelDetId/interface/PXBDetId.h"
#include "DataFormats/SiPixelDetId/interface/PXFDetId.h"
#include "DataFormats/DetId/interface/DetId.h"

#include<ext/functional>


//class DetIdComparator : public binary_function<DetId, DetId, bool> {
class DetIdComparator {
public:
  bool operator()( DetId i1, DetId i2 ) const {
    return (*this)(i1.rawId(),i2.rawId());
  };
  virtual bool operator()(uint32_t  i1, uint32_t  i2 ) const =0;
};

class DetIdTIBSameLayerComparator : public  DetIdComparator {
 public:
  virtual bool operator()(uint32_t i1,uint32_t i2 ) const {
    TIBDetId id1(i1);
    TIBDetId id2(i2);
    if ((id1.det() == id2.det()) &&
        (id1.subdetId() == id2.subdetId()) &&
        (id1.layer() == id2.layer())) return false;
    return (id1<id2);
  }
};
class DetIdTOBSameLayerComparator : public  DetIdComparator {
 public:
  virtual bool operator()(uint32_t i1,uint32_t i2 ) const {
    TOBDetId id1(i1);
    TOBDetId id2(i2);
    if ((id1.det() == id2.det()) &&
        (id1.subdetId() == id2.subdetId()) &&
        (id1.layer() == id2.layer())) return false;
    return (id1<id2);
  }
};
class DetIdPXBSameLayerComparator : public  DetIdComparator {
 public:
  virtual bool operator()(uint32_t i1,uint32_t i2 ) const {
    PXBDetId id1(i1);
    PXBDetId id2(i2);
    if ((id1.det() == id2.det()) &&
        (id1.subdetId() == id2.subdetId()) &&
        (id1.layer() == id2.layer())) return false;
    return (id1<id2);
  }
};
class DetIdPXFSameDiskComparator : public  DetIdComparator {
 public:
  virtual bool operator()(uint32_t i1,uint32_t i2 ) const {
    PXFDetId id1(i1);
    PXFDetId id2(i2);
    if ((id1.det() == id2.det()) &&
        (id1.subdetId() == id2.subdetId()) &&
        (id1.side() == id2.side()) &&
        (id1.disk() == id2.disk())) return false;
    return (id1<id2);
  }
};
class DetIdTECSameDiskComparator : public  DetIdComparator {
 public:
  virtual bool operator()(uint32_t i1,uint32_t i2 ) const {
    TECDetId id1(i1);
    TECDetId id2(i2);
    if ((id1.det() == id2.det()) &&
        (id1.subdetId() == id2.subdetId()) &&
        (id1.side() == id2.side()) &&
        (id1.wheel() == id2.wheel())) return false;
    return (id1<id2);
  }
};
class DetIdTIDSameDiskComparator : public  DetIdComparator {
 public:
  virtual bool operator()(uint32_t i1,uint32_t i2 ) const {
    TIDDetId id1(i1);
    TIDDetId id2(i2);
    if ((id1.det() == id2.det()) &&
        (id1.subdetId() == id2.subdetId()) &&
        (id1.side() == id2.side()) &&
        (id1.wheel() == id2.wheel())) return false;
    return (id1<id2);
  }
};


class TrackerLayerIdAccessor {
 public:
  //
  // returns a valid DetId + a valid comaprator for the RangeMap
  //
  typedef std::pair<DetId,DetIdComparator&> returnType;
  TrackerLayerIdAccessor();
  std::pair<DetId,DetIdPXBSameLayerComparator>  pixelBarrelLayer(int layer);
  std::pair<DetId,DetIdPXFSameDiskComparator>  pixelForwardDisk(int side,int disk);
  std::pair<DetId,DetIdTIBSameLayerComparator>  stripTIBLayer(int layer);
  std::pair<DetId,DetIdTOBSameLayerComparator> stripTOBLayer(int layer);
  std::pair<DetId,DetIdTECSameDiskComparator>  stripTECDisk(int side,int disk);
  std::pair<DetId,DetIdTIDSameDiskComparator>  stripTIDDisk(int side,int disk);
  
 private:
  
};

#endif