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1 | // Licensed to the Apache Software Foundation (ASF) under one |
2 | // or more contributor license agreements. See the NOTICE file | |
3 | // distributed with this work for additional information | |
4 | // regarding copyright ownership. The ASF licenses this file | |
5 | // to you under the Apache License, Version 2.0 (the | |
6 | // "License"); you may not use this file except in compliance | |
7 | // with the License. You may obtain a copy of the License at | |
8 | // | |
9 | // http://www.apache.org/licenses/LICENSE-2.0 | |
10 | // | |
11 | // Unless required by applicable law or agreed to in writing, | |
12 | // software distributed under the License is distributed on an | |
13 | // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
14 | // KIND, either express or implied. See the License for the | |
15 | // specific language governing permissions and limitations | |
16 | // under the License. | |
17 | ||
18 | #pragma once | |
19 | ||
20 | #include <string> | |
21 | #include <vector> | |
22 | ||
23 | #include "gandiva/arrow.h" | |
24 | #include "gandiva/visibility.h" | |
25 | ||
26 | namespace gandiva { | |
27 | ||
28 | /// Descriptor for a function in the expression. | |
29 | class GANDIVA_EXPORT FuncDescriptor { | |
30 | public: | |
31 | FuncDescriptor(const std::string& name, const DataTypeVector& params, | |
32 | DataTypePtr return_type) | |
33 | : name_(name), params_(params), return_type_(return_type) {} | |
34 | ||
35 | /// base function name. | |
36 | const std::string& name() const { return name_; } | |
37 | ||
38 | /// Data types of the input params. | |
39 | const DataTypeVector& params() const { return params_; } | |
40 | ||
41 | /// Data type of the return parameter. | |
42 | DataTypePtr return_type() const { return return_type_; } | |
43 | ||
44 | private: | |
45 | std::string name_; | |
46 | DataTypeVector params_; | |
47 | DataTypePtr return_type_; | |
48 | }; | |
49 | ||
50 | } // namespace gandiva |