/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef LIBTEXTCLASSIFIER_ACTIONS_LUA_RANKER_H_
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#define LIBTEXTCLASSIFIER_ACTIONS_LUA_RANKER_H_
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#include <memory>
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#include <string>
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#include "actions/lua-utils.h"
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#include "actions/types.h"
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#include "utils/lua-utils.h"
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namespace libtextclassifier3 {
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// Lua backed action suggestion ranking.
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class ActionsSuggestionsLuaRanker : public LuaEnvironment {
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public:
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static std::unique_ptr<ActionsSuggestionsLuaRanker> Create(
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const Conversation& conversation, const std::string& ranker_code,
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const reflection::Schema* entity_data_schema,
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const reflection::Schema* annotations_entity_data_schema,
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ActionsSuggestionsResponse* response);
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bool RankActions();
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private:
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explicit ActionsSuggestionsLuaRanker(
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const Conversation& conversation, const std::string& ranker_code,
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const reflection::Schema* entity_data_schema,
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const reflection::Schema* annotations_entity_data_schema,
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ActionsSuggestionsResponse* response)
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: conversation_(conversation),
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ranker_code_(ranker_code),
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response_(response),
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actions_iterator_(entity_data_schema, annotations_entity_data_schema,
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this),
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conversation_iterator_(annotations_entity_data_schema, this) {}
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bool Initialize();
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// Reads ranking results from the lua stack.
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int ReadActionsRanking();
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const Conversation& conversation_;
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const std::string& ranker_code_;
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ActionsSuggestionsResponse* response_;
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const ActionsIterator actions_iterator_;
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const ConversationIterator conversation_iterator_;
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};
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} // namespace libtextclassifier3
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#endif // LIBTEXTCLASSIFIER_ACTIONS_LUA_RANKER_H_
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