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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 "iblueprintregistry.h"
#include <vespa/vespalib/stllike/string.h>
#include <map>
namespace search::fef {
class Blueprint;
class IIndexEnvironment;
class IDumpFeatureVisitor;
/**
* This class implements the blueprint repository interface and acts
* as a blueprint factory for the framework itself.
**/
class BlueprintFactory : public IBlueprintRegistry
{
private:
using BlueprintSP = std::shared_ptr<Blueprint>;
using BlueprintMap = std::map<vespalib::string, BlueprintSP>;
BlueprintMap _blueprintMap;
public:
BlueprintFactory(const BlueprintFactory &) = delete;
BlueprintFactory &operator=(const BlueprintFactory &) = delete;
BlueprintFactory();
void addPrototype(BlueprintSP proto) override;
/**
* This method will visit features to be dumped by forwarding the
* visiting request to each of the prototypes registered in this
* factory.
*
* @param indexEnv the index environment
* @param visitor the object visiting dump features
**/
void visitDumpFeatures(const IIndexEnvironment &indexEnv,
IDumpFeatureVisitor &visitor) const;
/**
* Create a new blueprint instance by using the appropriate
* prototype contained in this factory. The name given is the
* feature executor base name (the same one used in the @ref
* addPrototype method)
*
* @return fresh and clean blueprint of the appropriate class
* @param name feature executor base name
**/
BlueprintSP createBlueprint(const vespalib::string &name) const;
};
}
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