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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include "configpoller.h"
#include <vespa/config/subscription/configsubscriber.hpp>
namespace config {
template <typename ConfigType>
class GenericHandle : public IHandle
{
public:
GenericHandle(std::unique_ptr<ConfigHandle<ConfigType> > handle)
: _handle(std::move(handle))
{
}
std::unique_ptr<const ConfigInstance> getConfig() override {
return std::unique_ptr<const ConfigInstance>(_handle->getConfig().release());
}
bool isChanged() override { return _handle->isChanged(); }
private:
std::unique_ptr<ConfigHandle <ConfigType> > _handle;
};
template <typename ConfigType>
void
ConfigPoller::subscribe(const std::string & configId, IFetcherCallback<ConfigType> * callback, vespalib::duration subscribeTimeout)
{
std::unique_ptr<ConfigHandle<ConfigType> > handle(_subscriber->subscribe<ConfigType>(configId, subscribeTimeout));
_handleList.emplace_back(std::make_unique<GenericHandle<ConfigType>>(std::move(handle)));
_callbackList.push_back(callback);
}
} // namespace config
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