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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "configholder.h"
namespace config {
ConfigHolder::ConfigHolder()
: _lock(),
_cond(),
_current()
{
}
ConfigHolder::~ConfigHolder() = default;
std::unique_ptr<ConfigUpdate>
ConfigHolder::provide()
{
std::lock_guard guard(_lock);
return std::move(_current);
}
void
ConfigHolder::handle(std::unique_ptr<ConfigUpdate> update)
{
std::lock_guard guard(_lock);
if (_current) {
update->merge(*_current);
}
_current = std::move(update);
_cond.notify_all();
}
bool
ConfigHolder::wait_until(vespalib::steady_time deadline)
{
std::unique_lock guard(_lock);
return static_cast<bool>(_current) || (_cond.wait_until(guard, deadline) == std::cv_status::no_timeout);
}
bool
ConfigHolder::poll()
{
std::lock_guard guard(_lock);
return static_cast<bool>(_current);
}
void
ConfigHolder::close()
{
std::lock_guard guard(_lock);
_current.reset();
_cond.notify_all();
}
} // namespace config
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