icinga2/lib/config/activationcontext.cpp

62 lines
1.4 KiB
C++

/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
#include "config/activationcontext.hpp"
#include "base/exception.hpp"
using namespace icinga;
boost::thread_specific_ptr<std::stack<ActivationContext::Ptr> > ActivationContext::m_ActivationStack;
std::stack<ActivationContext::Ptr>& ActivationContext::GetActivationStack()
{
std::stack<ActivationContext::Ptr> *actx = m_ActivationStack.get();
if (!actx) {
actx = new std::stack<ActivationContext::Ptr>();
m_ActivationStack.reset(actx);
}
return *actx;
}
void ActivationContext::PushContext(const ActivationContext::Ptr& context)
{
GetActivationStack().push(context);
}
void ActivationContext::PopContext()
{
ASSERT(!GetActivationStack().empty());
GetActivationStack().pop();
}
ActivationContext::Ptr ActivationContext::GetCurrentContext()
{
std::stack<ActivationContext::Ptr>& astack = GetActivationStack();
if (astack.empty())
BOOST_THROW_EXCEPTION(std::runtime_error("Objects may not be created outside of an activation context."));
return astack.top();
}
ActivationScope::ActivationScope(ActivationContext::Ptr context)
: m_Context(std::move(context))
{
if (!m_Context)
m_Context = new ActivationContext();
ActivationContext::PushContext(m_Context);
}
ActivationScope::~ActivationScope()
{
ActivationContext::PopContext();
}
ActivationContext::Ptr ActivationScope::GetContext() const
{
return m_Context;
}