Merge branch 'dev/ICondSvc' into 'master'

added ICondSvc to GaudiKernel

See merge request !315

GaudiKernel/GaudiKernel/ICondSvc.h

+#ifndef GAUDIKERNEL_ICONDSVC_H
+#define GAUDIKERNEL_ICONDSVC_H 1
+
+#include "GaudiKernel/IService.h"
+#include "GaudiKernel/IAlgorithm.h"
+#include "GaudiKernel/DataHandle.h"
+#include "GaudiKernel/DataObjID.h"
+#include "GaudiKernel/EventContext.h"
+
+#include <string>
+#include <sstream>
+#include <set>
+
+/**@class ICondSvc ICondSvc.h GaudiKernel/ICondSvc.h
+ *
+ *  Interface for the Condition Service. It allows Algorithms to register
+ *  their ConditionsHanaldes with the Service, and clients to query the
+ *  Service to determine which objects are valid/invalid for a particualar
+ *  EventContext.
+ * 
+ *  @author  Charles Leggett
+ *  @version 2.0
+ */
+
+class ConditionSlotFuture;
+class IConditionIOSvc;
+
+class GAUDI_API ICondSvc: virtual public IService {
+public:
+  DeclareInterfaceID(ICondSvc, 1, 0);
+
+  /// register dependency between an Algorithm and the Condition Handle it creates
+  virtual StatusCode regHandle(IAlgorithm* alg, const Gaudi::DataHandle& id) = 0;
+
+  /// check to see if a specific condition object ID is valid for this event
+  virtual bool isValidID(const EventContext& ctx, const DataObjID& id) const = 0;
+
+  /// get list of all registered condition Algorithms
+  virtual const std::set<IAlgorithm*>& condAlgs() const = 0;
+
+  /// query if a specific Algorithm is a registered condition Algorithm
+  virtual bool isRegistered(IAlgorithm* alg) const = 0;
+
+  /// query if a condition Object ID is registered
+  virtual bool isRegistered(const DataObjID& id) const = 0;
+
+  /// get collection of all registered condition Object IDs
+  virtual const DataObjIDColl& conditionIDs() const = 0;
+
+  /// dump the condition store
+  virtual void dump(std::ostream& ost) const = 0;
+
+
+  /// Asynchronously setup conditions
+  virtual ConditionSlotFuture* startConditionSetup(const EventContext& ctx) = 0;
+
+  /// register an IConditionIOSvc (alternative to Algorithm processing of 
+  /// Conditions)
+  virtual StatusCode registerConditionIOSvc(IConditionIOSvc *ioService) = 0;
+
+
+};
+
+#endif