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Copy pathfunction_signature.h
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55 lines (42 loc) · 1.68 KB
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// 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.
#pragma once
#include <string>
#include <vector>
#include "gandiva/arrow.h"
#include "gandiva/visibility.h"
namespace gandiva {
/// \brief Signature for a function : includes the base name, input param types and
/// output types.
class GANDIVA_EXPORT FunctionSignature {
public:
FunctionSignature(std::string base_name, DataTypeVector param_types,
DataTypePtr ret_type);
bool operator==(const FunctionSignature& other) const;
/// calculated based on name, datatype id of parameters and datatype id
/// of return type.
std::size_t Hash() const;
DataTypePtr ret_type() const { return ret_type_; }
const std::string& base_name() const { return base_name_; }
DataTypeVector param_types() const { return param_types_; }
std::string ToString() const;
private:
std::string base_name_;
DataTypeVector param_types_;
DataTypePtr ret_type_;
};
} // namespace gandiva