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LSST Data Management Base Package
Public Member Functions | List of all members
lsst::log::LogMDCScope Class Reference

#include <Log.h>

Public Member Functions

 LogMDCScope (std::string const &key, std::string const &value)
 Constructor adds KEY/VALUE pair to current thread MDC. More...
 
 LogMDCScope (LogMDCScope const &)=delete
 
LogMDCScopeoperator= (LogMDCScope const &)=delete
 
 LogMDCScope (LogMDCScope &&other)
 
LogMDCScopeoperator= (LogMDCScope &&other)
 
 ~LogMDCScope ()
 Destructor restores old key value in MDC. More...
 

Detailed Description

Definition at line 795 of file Log.h.

Constructor & Destructor Documentation

◆ LogMDCScope() [1/3]

lsst::log::LogMDCScope::LogMDCScope ( std::string const &  key,
std::string const &  value 
)
inline

Constructor adds KEY/VALUE pair to current thread MDC.

Key should not be empty (not checked).

Definition at line 802 of file Log.h.

803  : _key(key)
804  {
805  _oldValue = Log::MDC(key, value);
806  }
Key< U > key
Definition: Schema.cc:281
static std::string MDC(std::string const &key, std::string const &value)
Places a KEY/VALUE pair in the Mapped Diagnostic Context (MDC) for the current thread.
Definition: Log.cc:274

◆ LogMDCScope() [2/3]

lsst::log::LogMDCScope::LogMDCScope ( LogMDCScope const &  )
delete

◆ LogMDCScope() [3/3]

lsst::log::LogMDCScope::LogMDCScope ( LogMDCScope &&  other)
inline

Definition at line 812 of file Log.h.

812  {
813  _key = other._key;
814  _oldValue = other._oldValue;
815  other._key.clear();
816  }
ItemVariant const * other
Definition: Schema.cc:56

◆ ~LogMDCScope()

lsst::log::LogMDCScope::~LogMDCScope ( )
inline

Destructor restores old key value in MDC.

Definition at line 835 of file Log.h.

835  {
836  if (not _key.empty()) {
837  if (_oldValue.empty()) {
838  Log::MDCRemove(_key);
839  } else {
840  Log::MDC(_key, _oldValue);
841  }
842  }
843  }
static void MDCRemove(std::string const &key)
Remove the value associated with KEY within the MDC.
Definition: Log.cc:288
T empty(T... args)

Member Function Documentation

◆ operator=() [1/2]

LogMDCScope& lsst::log::LogMDCScope::operator= ( LogMDCScope &&  other)
inline

Definition at line 818 of file Log.h.

818  {
819  if (not _key.empty()) {
820  if (_oldValue.empty()) {
821  Log::MDCRemove(_key);
822  } else {
823  Log::MDC(_key, _oldValue);
824  }
825  }
826  _key = other._key;
827  _oldValue = other._oldValue;
828  other._key.clear();
829  return *this;
830  }

◆ operator=() [2/2]

LogMDCScope& lsst::log::LogMDCScope::operator= ( LogMDCScope const &  )
delete

The documentation for this class was generated from the following file: