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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/vespalib/stllike/string.h>
#include <vespa/vespalib/data/slime/inserter.h>
#include <vector>
#include <memory>
namespace vespalib {
/**
* Interface used to traverse and expose state of a given component and its children.
*/
struct StateExplorer {
virtual void get_state(const slime::Inserter &inserter, bool full) const = 0;
virtual std::vector<vespalib::string> get_children_names() const;
virtual std::unique_ptr<StateExplorer> get_child(vespalib::stringref name) const;
virtual ~StateExplorer();
};
} // namespace vespalib
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