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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 <vespa/config/common/configupdate.h>
#include <vespa/vespalib/util/time.h>
namespace config {
class IConfigHolder
{
public:
virtual ~IConfigHolder() = default;
virtual std::unique_ptr<ConfigUpdate> provide() = 0;
virtual void handle(std::unique_ptr<ConfigUpdate> obj) = 0;
virtual void close() = 0;
virtual bool poll() = 0;
bool wait_for(vespalib::duration timeout) {
return wait_until(vespalib::steady_clock::now() + timeout);
}
virtual bool wait_until(vespalib::steady_time deadline) = 0;
};
} // namespace config
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