Athena::IMessageSvcHolder Class Reference

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*
	IMessageSvcHolder (const Options::CreateOptions o)
	allows to get the IMessageSvc immediately
	IMessageSvcHolder (IMessageSvc *ims)
	IMessageSvcHolder (const IMessageSvcHolder &)
	behaves like the constructor taking an IMessageSvc *
IMessageSvcHolder &	operator= (const IMessageSvcHolder &)
	~IMessageSvcHolder ()
	releases the IMessageSvc
IMessageSvc *	get ()
	upon first access sets m_ims as needed
	operator IMessageSvc * ()
	conversion to IMessageSvc*, same as get

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.

: 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 90 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 69 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 74 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 96 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 101 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.

{ return this->get(); }

operator=()

IMessageSvcHolder & IMessageSvcHolder::operator=

(

const IMessageSvcHolder &

rhs

)

Definition at line 81 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.

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

• getMessageSvc.h
• getMessageSvc.cxx