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IToolSvc.h

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#ifndef GAUDIKERNEL_ITOOLSVC_H
#define GAUDIKERNEL_ITOOLSVC_H

#include "GaudiKernel/IInterface.h"
#include "GaudiKernel/System.h"
#include <string>

// Forward declaration
class IAlgTool;
// Declaration of the interface ID ( interface id, major version, minor version) 
static const InterfaceID IID_IToolSvc(301, 1 , 0); 

class IToolSvc : virtual public IInterface {
  public:

  static const InterfaceID& interfaceID() { return IID_IToolSvc; }

  virtual StatusCode retrieve(const std::string& type,
                              IAlgTool*& tool,
                              const IInterface* parent=0,
                              bool createIf=true ) = 0;

  virtual StatusCode retrieve(const std::string& type,
                              const std::string& name,
                              IAlgTool*& tool,
                              const IInterface* parent=0,
                              bool createIf=true) = 0;


  template <class T>
  StatusCode retrieveTool( const std::string& type, T*& tool, 
                           const IInterface* parent=0, bool createIf=true ) {
    IAlgTool* algtool;
    StatusCode sc = retrieve( type, 
                              algtool,
                              parent,
                              createIf );
    if( sc.isSuccess() ) {
      tool = dynamic_cast<T*>( algtool);
      if( 0 == tool) sc = StatusCode::FAILURE;
    }
    return sc;
  }

  template <class T>
  StatusCode retrieveTool( const std::string& type, const std::string& name, T*& tool, 
                           const IInterface* parent=0, bool createIf=true ) {
    IAlgTool* algtool;
    StatusCode sc = retrieve( type, 
                              name,
                              algtool,
                              parent,
                              createIf );
    if( sc.isSuccess() ) {
      tool = dynamic_cast<T*>( algtool);
      if( 0 == tool) sc = StatusCode::FAILURE;
    }
    return sc;
  }

};


#endif // GAUDIKERNEL_ITOOLSVC_H

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