ServiceManager.h

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#ifndef GAUDISVC_ServiceManager_H
#define GAUDISVC_ServiceManager_H

// Include files
#include "GaudiKernel/Kernel.h"
#include "GaudiKernel/ISvcManager.h"
#include "GaudiKernel/ISvcLocator.h"
#include "GaudiKernel/IStateful.h"
#include "GaudiKernel/SmartIF.h"
#include "GaudiKernel/ComponentManager.h"
#include "GaudiKernel/Map.h"
#include <string>
#include <list>
#include <vector>
#include <algorithm>
#include <memory>
#include "boost/thread.hpp"

// Forward declarations
class IService;
class IMessageSvc;
class Property;

class ServiceManager : public extends<ComponentManager,
                                      ISvcManager,
                                      ISvcLocator> {
public:

  struct ServiceItem final {
    ServiceItem(IService *s, long p = 0, bool act = false):
      service(s), priority(p), active(act) {}
    SmartIF<IService> service;
    long priority;
    bool active;
    inline bool operator==(const std::string &name) const {
      return service->name() == name;
    }
    inline bool operator==(const IService *ptr) const {
      return service.get() == ptr;
    }
    inline bool operator<(const ServiceItem& rhs) const {
      return priority < rhs.priority;
    }
  };

  // typedefs and classes
  typedef std::list<ServiceItem> ListSvc;
  typedef GaudiUtils::Map<std::string, std::string> MapType;

  ServiceManager(IInterface* application);

  inline SmartIF<ISvcLocator>& serviceLocator() const override {
    return m_svcLocator;
  }

  ~ServiceManager() override;

  const std::list<IService*>& getServices() const override;

  bool existsService(const std::string& name) const override;

  StatusCode addService(IService* svc, int prio = DEFAULT_SVC_PRIORITY) override;
  StatusCode addService(const Gaudi::Utils::TypeNameString& typeName, int prio = DEFAULT_SVC_PRIORITY) override;
  StatusCode removeService(IService* svc) override;
  StatusCode removeService(const std::string& name) override;

  StatusCode declareSvcType(const std::string& svcname, const std::string& svctype) override;

  SmartIF<IService>& createService(const Gaudi::Utils::TypeNameString& nametype) override;

  StatusCode initialize() override;
  StatusCode start() override;
  StatusCode stop() override;
  StatusCode finalize() override;

  StatusCode reinitialize() override;
  StatusCode restart() override;

  int getPriority(const std::string& name) const override;
  StatusCode setPriority(const std::string& name, int pri) override;

  bool loopCheckEnabled() const override;
  void setLoopCheckEnabled(bool en) override;

  const std::string &name() const override {
    static std::string _name = "ServiceManager";
    return _name;
  }

  SmartIF<IService> &service(const Gaudi::Utils::TypeNameString &typeName, const bool createIf = true) override;

  template <typename T>
  inline SmartIF<T> service(const Gaudi::Utils::TypeNameString &typeName, const bool createIf = true) {
    return SmartIF<T>{service(typeName, createIf)};
  }

#if !defined(GAUDI_V22_API) || defined(G22_NEW_SVCLOCATOR)
  using ISvcManager::createService;
  using ISvcManager::addService;
#endif

private:

  inline ListSvc::iterator find(const std::string &name) {
    boost::lock_guard<boost::recursive_mutex> lck(m_gLock);      
    return std::find(m_listsvc.begin(), m_listsvc.end(), name);
  }
  inline ListSvc::const_iterator find(const std::string &name) const {
    boost::lock_guard<boost::recursive_mutex> lck(m_gLock);      
    return std::find(m_listsvc.begin(), m_listsvc.end(), name);
  }
  inline ListSvc::iterator find(const IService *ptr) {
    boost::lock_guard<boost::recursive_mutex> lck(m_gLock);      
    return std::find(m_listsvc.begin(), m_listsvc.end(), ptr);
  }
  inline ListSvc::const_iterator find(const IService *ptr) const {
    boost::lock_guard<boost::recursive_mutex> lck(m_gLock);      
    return std::find(m_listsvc.begin(), m_listsvc.end(), ptr);
  }

private:
  ListSvc       m_listsvc;     
  MapType       m_maptype;     
  bool          m_loopCheck = true;   

  SmartIF<IService> m_appSvc;

  mutable std::list<IService*> m_listOfPtrs;

  GaudiUtils::Map<InterfaceID, SmartIF<IInterface> > m_defaultImplementations;

  typedef boost::recursive_mutex Mutex_t;
  typedef boost::lock_guard<Mutex_t> LockGuard_t;

  mutable Mutex_t m_gLock;
  mutable std::map<std::string, std::unique_ptr<Mutex_t> > m_lockMap;
  

private:
  void dump() const;

};
#endif  // GAUDISVC_ServiceManager_H