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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include <vespa/config-attributes.h>
namespace proton {
/**
* Class to create adjusted attributes config that minimizes the number of
* proton restarts needed due to config changes. Grab the portions from
* live (supposedly future) config that is safe to apply early during
* initialization and replay.
*/
class AttributesConfigScout
{
public:
using AttributesConfig = vespa::config::search::AttributesConfig;
using AttributesConfigBuilder =
vespa::config::search::AttributesConfigBuilder;
private:
const AttributesConfig &_live;
std::map<vespalib::string, uint32_t> _map;
static void
adjust(AttributesConfig::Attribute &attr,
const AttributesConfig::Attribute &liveAttr);
void
adjust(AttributesConfig::Attribute &attr);
public:
explicit AttributesConfigScout(const AttributesConfig &live);
std::shared_ptr<AttributesConfig>
adjust(const AttributesConfig &config);
};
}
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