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#ifndef FWCore_ServiceRegistry_ESModuleCallingContext_h
#define FWCore_ServiceRegistry_ESModuleCallingContext_h
/**\class edm::ESModuleCallingContext
Description: This is intended primarily to be passed to
Services as an argument to their callback functions.
Usage:
*/
//
// Original Author: W. David Dagenhart
// Created: 7/11/2013
#include "FWCore/ServiceRegistry/interface/ESParentContext.h"
#include <iosfwd>
#include <cstdint>
namespace edm {
namespace eventsetup {
struct ComponentDescription;
}
class ModuleCallingContext;
class ESModuleCallingContext {
public:
using Type = ESParentContext::Type;
enum class State {
kPrefetching, // prefetching products before starting to run
kRunning, // module actually running
kInvalid
};
ESModuleCallingContext(edm::eventsetup::ComponentDescription const* moduleDescription, std::uintptr_t id);
ESModuleCallingContext(edm::eventsetup::ComponentDescription const* moduleDescription,
std::uintptr_t id,
State state,
ESParentContext const& parent);
void setContext(State state, ESParentContext const& parent);
void setState(State state) { state_ = state; }
edm::eventsetup::ComponentDescription const* componentDescription() const { return componentDescription_; }
State state() const { return state_; }
Type type() const { return parent_.type(); }
/** Returns a unique id for this module to differentiate possibly concurrent calls to the module.
The value returned may be large so not appropriate for an index lookup.
*/
std::uintptr_t callID() const { return id_; }
ESParentContext const& parent() const { return parent_; }
ModuleCallingContext const* moduleCallingContext() const { return parent_.moduleCallingContext(); }
ESModuleCallingContext const* esmoduleCallingContext() const { return parent_.esmoduleCallingContext(); }
// This function will iterate up a series of linked context objects to
// find the highest level ModuleCallingContext.
ModuleCallingContext const* getTopModuleCallingContext() const;
// Returns the number of ESModuleCallingContexts above this ESModuleCallingContext
// in the series of linked context objects.
unsigned depth() const;
private:
edm::eventsetup::ComponentDescription const* componentDescription_;
ESParentContext parent_;
std::uintptr_t id_;
State state_;
};
} // namespace edm
#endif
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