edm::SignallingProductRegistry Class Reference

#include <SignallingProductRegistry.h>

Inheritance diagram for edm::SignallingProductRegistry:

List of all members.

Public Member Functions
	SignallingProductRegistry ()
	SignallingProductRegistry (ProductRegistry const &preg)
Public Attributes
sigc::signal< void, BranchDescription const & >	productAddedSignal_
Private Member Functions
virtual void	addCalled (BranchDescription const &, bool)
Private Attributes
std::map< std::string, unsigned int >	typeAddedStack_

---

Detailed Description

Definition at line 33 of file SignallingProductRegistry.h.

---

Constructor & Destructor Documentation

edm::SignallingProductRegistry::SignallingProductRegistry

(

)

[inline]

Definition at line 36 of file SignallingProductRegistry.h.

: ProductRegistry(), productAddedSignal_(), typeAddedStack_() {}

edm::SignallingProductRegistry::SignallingProductRegistry

(

ProductRegistry const &

preg

)

[inline, explicit]

Definition at line 37 of file SignallingProductRegistry.h.

: ProductRegistry(preg.productList(), false), productAddedSignal_(), typeAddedStack_() {}

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Member Function Documentation

void SignallingProductRegistry::addCalled	(	BranchDescription const &	iProd,
		bool	iFromListener
	)		[private, virtual]

Reimplemented from edm::ProductRegistry.

Definition at line 43 of file SignallingProductRegistry.cc.

References edm::BranchDescription::className(), Exception, edm::BranchDescription::moduleLabel(), productAddedSignal_, edm::BranchDescription::productInstanceName(), and typeAddedStack_.

                                                                                            {
   StackGuard guard(iProd.className(), typeAddedStack_, iFromListener);
   if(guard.numType_ > 2) {
     throw cms::Exception("CircularReference")
       << "Attempted to register the production of "
       << iProd.className()
       << " from module "
       << iProd.moduleLabel()
       << " with product instance \""
       << iProd.productInstanceName()
       << "\"\n"
       << "However, this was in reaction to a registration of a production for the same type \n"
       << "from another module who was also listening to product registrations.\n"
       << "This can lead to circular Event::get* calls.\n"
       << "Please reconfigure job so it does not contain both of the modules.";
   }
   productAddedSignal_(iProd);
}

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Member Data Documentation

sigc::signal<void, BranchDescription const&> edm::SignallingProductRegistry::productAddedSignal_

Definition at line 38 of file SignallingProductRegistry.h.

Referenced by addCalled(), and edm::ConstProductRegistry::watchProductAdditions().

std::map<std::string, unsigned int> edm::SignallingProductRegistry::typeAddedStack_ [private]

Definition at line 43 of file SignallingProductRegistry.h.

Referenced by addCalled().