| /** |
| * Copyright 2016, Quickstep Research Group, Computer Sciences Department, |
| * University of Wisconsin—Madison. |
| * Copyright 2016 Pivotal Software, Inc. |
| * |
| * 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. |
| **/ |
| |
| #include "expressions/table_generator/GeneratorFunctionFactory.hpp" |
| |
| #include <string> |
| #include <utility> |
| #include <vector> |
| |
| #include "expressions/table_generator/GenerateSeries.hpp" |
| #include "expressions/table_generator/GeneratorFunction.hpp" |
| #include "expressions/table_generator/GeneratorFunction.pb.h" |
| #include "types/TypedValue.hpp" |
| |
| #include "glog/logging.h" |
| |
| namespace quickstep { |
| |
| GeneratorFunctionFactory::GeneratorFunctionFactory() { |
| #define REGISTER_GENERATOR_FUNCTION_(FuncClass) \ |
| func_map_.emplace(FuncClass::Instance().getName(), &FuncClass::Instance()) |
| |
| // Register all generator functions here. |
| REGISTER_GENERATOR_FUNCTION_(GenerateSeries); |
| |
| #undef REGISTER_GENERATOR_FUNCTION_ |
| } |
| |
| const GeneratorFunctionFactory& GeneratorFunctionFactory::Instance() { |
| static GeneratorFunctionFactory instance; |
| return instance; |
| } |
| |
| const GeneratorFunction* GeneratorFunctionFactory::getByName(const std::string &name) const { |
| const auto it = func_map_.find(name); |
| if (it != func_map_.end()) { |
| return it->second; |
| } else { |
| return nullptr; |
| } |
| } |
| |
| GeneratorFunctionHandle* GeneratorFunctionFactory::reconstructFromProto( |
| const serialization::GeneratorFunctionHandle &proto) const { |
| const GeneratorFunction *func_template = getByName(proto.function_name()); |
| CHECK(func_template != nullptr) |
| << "Generator function " << proto.function_name() << " not found"; |
| |
| std::vector<TypedValue> args; |
| for (const auto &arg_proto : proto.args()) { |
| args.emplace_back(TypedValue::ReconstructFromProto(arg_proto)); |
| } |
| |
| return func_template->createHandle(args); |
| } |
| |
| } // namespace quickstep |