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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 807 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 814 of file Log.h.

815  : _key(key)
816  {
817  _oldValue = Log::MDC(key, value);
818  }
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 824 of file Log.h.

824  {
825  _key = other._key;
826  _oldValue = other._oldValue;
827  other._key.clear();
828  }
T clear(T... args)

◆ ~LogMDCScope()

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

Destructor restores old key value in MDC.

Definition at line 847 of file Log.h.

847  {
848  if (not _key.empty()) {
849  if (_oldValue.empty()) {
850  Log::MDCRemove(_key);
851  } else {
852  Log::MDC(_key, _oldValue);
853  }
854  }
855  }
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 830 of file Log.h.

830  {
831  if (not _key.empty()) {
832  if (_oldValue.empty()) {
833  Log::MDCRemove(_key);
834  } else {
835  Log::MDC(_key, _oldValue);
836  }
837  }
838  _key = other._key;
839  _oldValue = other._oldValue;
840  other._key.clear();
841  return *this;
842  }

◆ operator=() [2/2]

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

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