TagCollectionRetriever.h

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#ifndef CondCore_TagCollection_TagCollectionRetriever_h
#define CondCore_TagCollection_TagCollectionRetriever_h
//
// Package:    CondCore/TagCollection
// Class:      TagCollectionRetriever
//
//
// Author:      Zhen Xie
//

#include <set>
#include <string>
#include "CondCore/DBCommon/interface/TagMetadata.h"
#include "CondCore/TagCollection/interface/PfnEditor.h"
#include "CondCore/DBCommon/interface/DbSession.h"
namespace cond{
  class TagCollectionRetriever{
  public:
    explicit TagCollectionRetriever( cond::DbSession& coraldb );
    TagCollectionRetriever( cond::DbSession& coraldb, 
                std::string const & prefix, 
                std::string const & postfix);
    ~TagCollectionRetriever();

    bool existsTagDatabase();

    bool existsTagCollection( const std::string& globaltag );

    bool selectTagCollection( const std::string& globaltag,
                  std::set<cond::TagMetadata>& result);
    void getTagCollection( const std::string& globaltag,
                           std::set<cond::TagMetadata>& result);
  private:
    std::pair<std::string,std::string> parseglobaltag(const std::string& globaltag);
    cond::DbSession m_coraldb;
    PfnEditor pfnEditor;
    
  };
}//ns cond
#endif