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/*
*
* Copyright 2015 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#ifndef GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_LB_POLICY_FACTORY_H
#define GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_LB_POLICY_FACTORY_H
#include <grpc/support/port_platform.h>
#include "src/core/ext/filters/client_channel/lb_policy.h"
#include "src/core/lib/gprpp/orphanable.h"
namespace grpc_core {
class LoadBalancingPolicyFactory {
public:
virtual ~LoadBalancingPolicyFactory() {}
/// Returns a new LB policy instance.
virtual OrphanablePtr<LoadBalancingPolicy> CreateLoadBalancingPolicy(
LoadBalancingPolicy::Args) const = 0;
/// Returns the LB policy name that this factory provides.
/// Caller does NOT take ownership of result.
virtual const char* name() const = 0;
virtual RefCountedPtr<LoadBalancingPolicy::Config> ParseLoadBalancingConfig(
const Json& json, grpc_error_handle* error) const = 0;
};
} // namespace grpc_core
#endif /* GRPC_CORE_EXT_FILTERS_CLIENT_CHANNEL_LB_POLICY_FACTORY_H */
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