| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you 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 GANDIVA_TYPES_H |
| #define GANDIVA_TYPES_H |
| |
| #include <memory> |
| #include <vector> |
| |
| #include "gandiva/arrow.h" |
| #include "gandiva/function_signature.h" |
| #include "gandiva/gandiva_aliases.h" |
| #include "gandiva/visibility.h" |
| |
| namespace gandiva { |
| |
| class NativeFunction; |
| class FunctionRegistry; |
| /// \brief Exports types supported by Gandiva for processing. |
| /// |
| /// Has helper methods for clients to programatically discover |
| /// data types and functions supported by Gandiva. |
| class GANDIVA_EXPORT ExpressionRegistry { |
| public: |
| using iterator = const NativeFunction*; |
| ExpressionRegistry(); |
| ~ExpressionRegistry(); |
| static DataTypeVector supported_types() { return supported_types_; } |
| class GANDIVA_EXPORT FunctionSignatureIterator { |
| public: |
| explicit FunctionSignatureIterator(iterator it) : it_(it) {} |
| |
| bool operator!=(const FunctionSignatureIterator& func_sign_it); |
| |
| FunctionSignature operator*(); |
| |
| iterator operator++(int); |
| |
| private: |
| iterator it_; |
| }; |
| const FunctionSignatureIterator function_signature_begin(); |
| const FunctionSignatureIterator function_signature_end() const; |
| |
| private: |
| static DataTypeVector supported_types_; |
| static DataTypeVector InitSupportedTypes(); |
| static void AddArrowTypesToVector(arrow::Type::type& type, DataTypeVector& vector); |
| std::unique_ptr<FunctionRegistry> function_registry_; |
| }; |
| |
| GANDIVA_EXPORT |
| std::vector<std::shared_ptr<FunctionSignature>> GetRegisteredFunctionSignatures(); |
| |
| } // namespace gandiva |
| #endif // GANDIVA_TYPES_H |