OMK::EventCreator Class Reference

Class defining what a creator of an event is. More...

#include <OMKEventCreator.h>

Inheritance diagram for OMK::EventCreator:

[legend]Collaboration diagram for OMK::EventCreator:

[legend]List of all members.

Public Member Functions
virtual	~EventCreator ()
	EventCreator (const Name &)
virtual bool	touch ()
	to help avoid aggresive optimisations
virtual void	touch (bool)
	to help avoid aggresive optimisations
Static Public Member Functions
static Event *	createEvent (const Name &classToCreate, const EventIdentifier &eventId, const Date &date, const Name &sender, const Name &receiver)
static void	declareAlias (const Name &, const Name &)
	declare aliases between the type names used to access an event creator.
Protected Types
typedef __gnu_cxx::hash_map< Name, EventCreator *, Name::hash_compare_Name >	EventCreatorContainerType
Protected Member Functions
virtual Event *	createRealEvent (const EventIdentifier &eventId, const Date &date, const Name &sender, const Name &receiver)
Static Protected Member Functions
static EventCreatorContainerType *	getEventCreatorContainer ()
Protected Attributes
Name	_typeICanCreate

---

Detailed Description

Class defining what a creator of an event is.

Author:

David Margery

Definition at line 33 of file OMKEventCreator.h.

---

Member Typedef Documentation

typedef __gnu_cxx::hash_map<Name, EventCreator *, Name::hash_compare_Name> OMK::EventCreator::EventCreatorContainerType [protected]

Definition at line 62 of file OMKEventCreator.h.

---

Constructor & Destructor Documentation

EventCreator::~EventCreator

(

)

[virtual]

Definition at line 63 of file OMKEventCreator.cpp.

References _typeICanCreate, and getEventCreatorContainer().

{
   getEventCreatorContainer()->erase ( _typeICanCreate ) ;
}

EventCreator::EventCreator

(

const Name &

)

Definition at line 54 of file OMKEventCreator.cpp.

References getEventCreatorContainer().

                                                    :
   _typeICanCreate ( className ) 
{
   //   cerr<<"EventCreator::EventCreator inserting "<<className<<" in the map of events that can be created from their name"<<endl;
   getEventCreatorContainer()->insert( EventCreator::EventCreatorContainerType::value_type( className, this ) ) ;
}

---

Member Function Documentation

Event * EventCreator::createEvent	(	const Name &	classToCreate,
		const EventIdentifier &	eventId,
		const Date &	date,
		const Name &	sender,
		const Name &	receiver
	)			[static]

Definition at line 70 of file OMKEventCreator.cpp.

References getEventCreatorContainer(), and OMASSERTM.

Referenced by OMK::PvmController::parseSynchronisationMessage(), OMK::PvmReferenceObjectHandle::unpack(), OMK::PvmLocalObjectHandle::unpack(), and OMK::PvmDuplicatedObjectHandle::unpack().

{
   EventCreatorContainerType::iterator i = getEventCreatorContainer()->find (classToCreate) ;

   if ( i == getEventCreatorContainer()->end() )
      {
         cerr<<"EventCreator::createEvent "<<getEventCreatorContainer()->size()<<" event creators in the map"<<endl;
         cerr<<"EventCreator::createEvent: cannot create valued event of class "<<classToCreate
             <<" but I can create: ";
         for ( i = getEventCreatorContainer()->begin() ;
               i != getEventCreatorContainer()->end() ;
               ++i)
            {
               OMASSERTM( (*i).first != classToCreate, "" ) ;
               cerr<<(*i).first<<"("<<(*i).second<<"), ";
            }
         cerr<<endl;
         cerr<<"If in heterogeneous environment try calling EventCreator:::declareAlias ( "<<classToCreate<<", ...) ; in main"<<endl;
         cerr<<"Or, if using g++ with version < 3, a call to "<<classToCreate<<"::myEventCreator::touch()"<<endl;
      }


   return (*i).second->createRealEvent (eventId,date,sender,receiver) ;

}

virtual bool OMK::EventCreator::touch

(

)

[inline, virtual]

to help avoid aggresive optimisations

Definition at line 41 of file OMKEventCreator.h.

Referenced by OMK::ValuedEvent< UserType >::ValuedEvent(), and OMK::ValuedEvent< UserType >::~ValuedEvent().

   {
      return true ;
   }

virtual void OMK::EventCreator::touch

(

bool

)

[inline, virtual]

to help avoid aggresive optimisations

Definition at line 47 of file OMKEventCreator.h.

   {
   }

void EventCreator::declareAlias	(	const Name &	,
		const Name &
	)			[static]

declare aliases between the type names used to access an event creator.

Definition at line 14 of file OMKEventCreator.cpp.

References getEventCreatorContainer().

{
   static map <const Name, const Name> unInsertedAliases ;
   Name nameToInsert ;

   //first find the event creator
   EventCreatorContainerType::iterator i = getEventCreatorContainer()->find ( name1 ) ;
   nameToInsert = name2 ;
   if ( i == getEventCreatorContainer()->end() )
      {
         i = getEventCreatorContainer()->find ( name2 ) ;
         nameToInsert = name1 ;
      }
   if ( i == getEventCreatorContainer()->end() )
      {
         // remember the declaration
         unInsertedAliases.insert (pair<const Name, const Name> (name1, name2) ) ;
         unInsertedAliases.insert (pair<const Name, const Name> (name2, name1) ) ;
      }   
   else
      {
         getEventCreatorContainer()->insert (EventCreator::EventCreatorContainerType::value_type (nameToInsert, (*i).second ) ) ;

         //look in the uninserted aliases if one could not be inserted
         map <const Name, const Name>::iterator j = unInsertedAliases.find ( name1 );
         if ( j == unInsertedAliases.end() )
            {
               j =  unInsertedAliases.find ( name2 );
            }
         if ( j != unInsertedAliases.end() )
            {
               getEventCreatorContainer()->insert (EventCreator::EventCreatorContainerType::value_type ( (*j).second, (*i).second ) ) ;
                  // remove the 2 instances declaring name and (*j).second as aliases
               unInsertedAliases.erase ( unInsertedAliases.find ( (*j).second ) ) ;
               unInsertedAliases.erase ( j ) ; 
            }
      }
}

Event * EventCreator::createRealEvent	(	const EventIdentifier &	eventId,
		const Date &	date,
		const Name &	sender,
		const Name &	receiver
	)			[protected, virtual]

Reimplemented in OMK::ValuedEvent< UserType >::ValuedEventCreator.

Definition at line 98 of file OMKEventCreator.cpp.

{
   return new Event (eventId, date, sender, receiver) ;
}

EventCreator::EventCreatorContainerType * EventCreator::getEventCreatorContainer

(

)

[static, protected]

Definition at line 8 of file OMKEventCreator.cpp.

Referenced by createEvent(), declareAlias(), EventCreator(), and ~EventCreator().

{
   static EventCreatorContainerType * realEventCreatorContainer = new EventCreatorContainerType () ;
   return realEventCreatorContainer ;
}

---

Member Data Documentation

Name OMK::EventCreator::_typeICanCreate [protected]

Definition at line 55 of file OMKEventCreator.h.

Referenced by ~EventCreator().

---