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// -*- C++ -*-
//
// Package: Framework
// Class : FWGenericHandle
//
// Implementation:
// <Notes on implementation>
//
// Original Author: Chris Jones
// Created: Thu Mar 30 15:48:37 EST 2006
//
// system include files
#include <iostream>
// user include files
#include "Fireworks/Core/src/FWGenericHandle.h"
namespace edm {
void convert_handle(BasicHandle const& orig, Handle<FWGenericObject>& result) {
if (orig.failedToGet()) {
result.setWhyFailed(orig.whyFailed());
return;
}
WrapperBase const* originalWrap = orig.wrapper();
if (originalWrap == nullptr) {
throw edm::Exception(edm::errors::InvalidReference, "NullPointer")
<< "edm::BasicHandle has null pointer to Wrapper";
}
edm::ObjectWithDict wrap(edm::TypeWithDict(originalWrap->wrappedTypeInfo()),
const_cast<void*>(static_cast<void const*>(originalWrap)));
assert(bool(wrap));
edm::ObjectWithDict product(wrap.get("obj"));
if (!product) {
throw edm::Exception(edm::errors::LogicError) << "FWGenericObject could not find 'obj' member";
}
if (product.typeOf() != result.type()) {
std::cerr << "FWGenericObject asked for " << result.type().name() << " but was given a "
<< product.typeOf().name();
throw edm::Exception(edm::errors::LogicError)
<< "FWGenericObject asked for " << result.type().name() << " but was given a " << product.typeOf().name();
}
Handle<FWGenericObject> h(product, orig.provenance(), orig.id());
h.swap(result);
}
///Specialize the getByLabel method to work with a Handle<FWGenericObject>
template <>
bool edm::EventBase::getByLabel<FWGenericObject>(edm::InputTag const& tag, Handle<FWGenericObject>& result) const {
std::string dataTypeName = result.type().name();
if (dataTypeName[dataTypeName.size() - 1] == '>')
dataTypeName += " ";
std::string wrapperName = "edm::Wrapper<" + dataTypeName + ">";
edm::TypeWithDict wrapperType(edm::TypeWithDict::byName(wrapperName));
BasicHandle bh = this->getByLabelImpl(wrapperType.typeInfo(), result.type().typeInfo(), tag);
convert_handle(bh, result); // throws on conversion error
if (bh.failedToGet())
return false;
return true;
}
} // namespace edm
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