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#pragma once
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#include "envoy/upstream/load_balancer.h"

            

        

            

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namespace Envoy {

            

        

            

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namespace Upstream {

            

        

            

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/**

            

        

            

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 * Base class for cluster provided load balancers and load balancers specified by load balancing

            

        

            

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 * policy config. This class should be extended directly if the load balancing policy specifies a

            

        

            

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 * thread-aware load balancer.

            

        

            

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 *

            

        

            

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 * TODO: provide a ThreadLocalLoadBalancer construct to abstract away thread-awareness from load

            

        

            

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 * balancing extensions that don't require it.

            

        

            

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 */

            

        

            

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template <class Proto> class TypedLoadBalancerFactoryBase : public TypedLoadBalancerFactory {

            

        

            

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public:

            

        

            

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  // Upstream::TypedLoadBalancerFactory

            

        

            

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  std::string name() const override { return name_; }

            

        

            

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  ProtobufTypes::MessagePtr createEmptyConfigProto() override {

            

        

            

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    return ProtobufTypes::MessagePtr{new Proto()};

            

        

            

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  }

            

        

            

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protected:

            

        

            

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  TypedLoadBalancerFactoryBase(const std::string& name) : name_(name) {}

            

        

            

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private:

            

        

            

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  const std::string name_;

            

        

            

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};

            

        

            

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} // namespace Upstream

            

        

            

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} // namespace Envoy