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// **********************************************************************
//
// Copyright (c) 2003-2012 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************
#ifndef ICE_OBSERVERHELPER_H
#define ICE_OBSERVERHELPER_H
#include <Ice/Observer.h>
#include <Ice/ProxyF.h>
namespace IceInternal
{
class ObserverHelper : public IceUtil::noncopyable
{
protected:
void attach(const Ice::Instrumentation::ObserverPtr&);
void detach(const Ice::Instrumentation::ObserverPtr&);
void failed(const Ice::Instrumentation::ObserverPtr&, const std::string&);
};
template<typename T = Ice::Instrumentation::Observer> class ObserverHelperT : public ObserverHelper
{
public:
typedef IceInternal::Handle<T> TPtr;
ObserverHelperT()
{
}
~ObserverHelperT()
{
if(_observer)
{
ObserverHelper::detach(_observer);
}
}
operator bool() const
{
return _observer;
}
T* operator->() const
{
return _observer.get();
}
void
attach(const TPtr& o)
{
if(_observer)
{
ObserverHelper::detach(_observer);
}
_observer = o;
if(_observer)
{
ObserverHelper::attach(_observer);
}
}
T* get() const
{
return _observer.get();
}
void adopt(ObserverHelperT& other)
{
_observer = other._observer;
other._observer = 0;
}
void detach()
{
if(_observer)
{
ObserverHelper::detach(_observer);
_observer = 0;
}
}
void failed(const std::string& reason)
{
if(_observer)
{
ObserverHelper::failed(_observer, reason);
}
}
protected:
TPtr _observer;
};
class InvocationObserver : public ObserverHelperT<Ice::Instrumentation::InvocationObserver>
{
public:
InvocationObserver(IceProxy::Ice::Object*, const std::string&, const Ice::Context*);
InvocationObserver();
void attach(IceProxy::Ice::Object*, const std::string&, const Ice::Context*);
void retry()
{
if(_observer)
{
InvocationObserver::retryImpl();
}
}
private:
void retryImpl();
};
}
#endif
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