get a IMessageSvc* on 1st use (if not set) and release it on ~ More...

#include <getMessageSvc.h>

Collaboration diagram for Athena::IMessageSvcHolder:

Public Member Functions
	IMessageSvcHolder ()
	will take the IMessageSvc* lazily from getMessageSvc() in get() Slow, but useful for classes without direct access to IMessageSvc* More...

	IMessageSvcHolder (const Options::CreateOptions o)
	allows to get the IMessageSvc immediately More...

	IMessageSvcHolder (IMessageSvc *ims)

	IMessageSvcHolder (const IMessageSvcHolder &)
	behaves like the constructor taking an IMessageSvc * More...

IMessageSvcHolder &	operator= (const IMessageSvcHolder &)

	~IMessageSvcHolder ()
	releases the IMessageSvc More...

IMessageSvc *	get ()
	upon first access sets m_ims as needed More...

	operator IMessageSvc * ()
	conversion to IMessageSvc*, same as get More...

Private Attributes
IMessageSvc *	m_ims

Detailed Description

get a IMessageSvc* on 1st use (if not set) and release it on ~

Definition at line 60 of file getMessageSvc.h.

Constructor & Destructor Documentation

◆ IMessageSvcHolder() [1/4]

Athena::IMessageSvcHolder::IMessageSvcHolder ( )

inline

will take the IMessageSvc* lazily from getMessageSvc() in get() Slow, but useful for classes without direct access to IMessageSvc*

Definition at line 64 of file getMessageSvc.h.

64 : m_ims() {}

◆ IMessageSvcHolder() [2/4]

IMessageSvcHolder::IMessageSvcHolder ( const Options::CreateOptions o )

allows to get the IMessageSvc immediately

Parameters

o	if o is `Athena::Options::Eager` it will create a `MessageSvc` instance there and then.

Definition at line 77 of file getMessageSvc.cxx.

                                                                      :
   m_ims(0)
 {
   if (opt == Athena::Options::Eager) m_ims = getMessageSvc(opt);
 }

◆ IMessageSvcHolder() [3/4]

IMessageSvcHolder::IMessageSvcHolder ( IMessageSvc * ims )

Definition at line 56 of file getMessageSvc.cxx.

                                                      : m_ims(ims) {
   assert(m_ims);
   m_ims->addRef(); //take ownership till we go out of scope
 }

◆ IMessageSvcHolder() [4/4]

IMessageSvcHolder::IMessageSvcHolder ( const IMessageSvcHolder & rhs )

behaves like the constructor taking an IMessageSvc *

Definition at line 61 of file getMessageSvc.cxx.

                                                                  :
   m_ims(rhs.m_ims) 
 {
   if (m_ims) m_ims->addRef(); //take ownership till we go out of scope
 }

◆ ~IMessageSvcHolder()

IMessageSvcHolder::~IMessageSvcHolder ( )

releases the IMessageSvc

Definition at line 83 of file getMessageSvc.cxx.

                                       {
   if (m_ims) m_ims->release();
 }

Member Function Documentation

◆ get()

IMessageSvc * IMessageSvcHolder::get ( )

upon first access sets m_ims as needed

Definition at line 88 of file getMessageSvc.cxx.

                        {
   if (!m_ims) m_ims = getMessageSvc();
   return m_ims;
 }

◆ operator IMessageSvc *()

Athena::IMessageSvcHolder::operator IMessageSvc * ( )

inline

conversion to IMessageSvc*, same as get

Definition at line 87 of file getMessageSvc.h.

87 { return this->get(); }

◆ operator=()

IMessageSvcHolder & IMessageSvcHolder::operator= ( const IMessageSvcHolder & rhs )

Definition at line 68 of file getMessageSvc.cxx.

                                                          {
   if (this != & rhs && m_ims != rhs.m_ims) {
     if (m_ims) m_ims->release(); //give up our IMessageSvc*
     m_ims = rhs.m_ims;
     if (m_ims) m_ims->addRef(); //take ownership till we go out of scope
   }
   return *this;
 }

Member Data Documentation

◆ m_ims

IMessageSvc* Athena::IMessageSvcHolder::m_ims

private

Definition at line 89 of file getMessageSvc.h.

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

Public Member Functions

Private Attributes