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| Original file line number | Diff line number | Diff line change |
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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. | ||
|
|
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| #include "arrow/extension/opaque.h" | ||
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| #include <sstream> | ||
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| #include "arrow/json/rapidjson_defs.h" // IWYU pragma: keep | ||
| #include "arrow/util/logging.h" | ||
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| #include <rapidjson/document.h> | ||
| #include <rapidjson/error/en.h> | ||
| #include <rapidjson/writer.h> | ||
|
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| namespace arrow::extension { | ||
|
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| std::string OpaqueType::ToString(bool show_metadata) const { | ||
| std::stringstream ss; | ||
| ss << "extension<" << this->extension_name() | ||
| << "[storage_type=" << storage_type_->ToString(show_metadata) | ||
| << ", type_name=" << type_name_ << ", vendor_name=" << vendor_name_ << "]>"; | ||
| return ss.str(); | ||
| } | ||
|
|
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| bool OpaqueType::ExtensionEquals(const ExtensionType& other) const { | ||
| if (extension_name() != other.extension_name()) { | ||
| return false; | ||
| } | ||
| const auto& opaque = internal::checked_cast<const OpaqueType&>(other); | ||
| return storage_type()->Equals(*opaque.storage_type()) && | ||
| type_name() == opaque.type_name() && vendor_name() == opaque.vendor_name(); | ||
| } | ||
|
|
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| std::string OpaqueType::Serialize() const { | ||
| rapidjson::Document document; | ||
| document.SetObject(); | ||
| rapidjson::Document::AllocatorType& allocator = document.GetAllocator(); | ||
|
|
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| rapidjson::Value type_name(rapidjson::StringRef(type_name_)); | ||
| document.AddMember(rapidjson::Value("type_name", allocator), type_name, allocator); | ||
| rapidjson::Value vendor_name(rapidjson::StringRef(vendor_name_)); | ||
| document.AddMember(rapidjson::Value("vendor_name", allocator), vendor_name, allocator); | ||
|
|
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| rapidjson::StringBuffer buffer; | ||
| rapidjson::Writer<rapidjson::StringBuffer> writer(buffer); | ||
| document.Accept(writer); | ||
| return buffer.GetString(); | ||
| } | ||
|
|
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| Result<std::shared_ptr<DataType>> OpaqueType::Deserialize( | ||
| std::shared_ptr<DataType> storage_type, const std::string& serialized_data) const { | ||
| rapidjson::Document document; | ||
| const auto& parsed = document.Parse(serialized_data.data(), serialized_data.length()); | ||
| if (parsed.HasParseError()) { | ||
| return Status::Invalid("Invalid serialized JSON data for OpaqueType: ", | ||
| rapidjson::GetParseError_En(parsed.GetParseError()), ": ", | ||
| serialized_data); | ||
| } else if (!document.IsObject()) { | ||
| return Status::Invalid("Invalid serialized JSON data for OpaqueType: not an object"); | ||
| } | ||
| if (!document.HasMember("type_name")) { | ||
| return Status::Invalid( | ||
| "Invalid serialized JSON data for OpaqueType: missing type_name"); | ||
| } else if (!document.HasMember("vendor_name")) { | ||
| return Status::Invalid( | ||
| "Invalid serialized JSON data for OpaqueType: missing vendor_name"); | ||
| } | ||
|
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| const auto& type_name = document["type_name"]; | ||
| const auto& vendor_name = document["vendor_name"]; | ||
| if (!type_name.IsString()) { | ||
| return Status::Invalid( | ||
| "Invalid serialized JSON data for OpaqueType: type_name is not a string"); | ||
| } else if (!vendor_name.IsString()) { | ||
| return Status::Invalid( | ||
| "Invalid serialized JSON data for OpaqueType: vendor_name is not a string"); | ||
| } | ||
|
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| return opaque(std::move(storage_type), type_name.GetString(), vendor_name.GetString()); | ||
| } | ||
|
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| std::shared_ptr<Array> OpaqueType::MakeArray(std::shared_ptr<ArrayData> data) const { | ||
| DCHECK_EQ(data->type->id(), Type::EXTENSION); | ||
| DCHECK_EQ("arrow.opaque", | ||
| internal::checked_cast<const ExtensionType&>(*data->type).extension_name()); | ||
| return std::make_shared<OpaqueArray>(data); | ||
| } | ||
|
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| std::shared_ptr<DataType> opaque(std::shared_ptr<DataType> storage_type, | ||
| std::string type_name, std::string vendor_name) { | ||
| return std::make_shared<OpaqueType>(std::move(storage_type), std::move(type_name), | ||
| std::move(vendor_name)); | ||
| } | ||
|
|
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| } // namespace arrow::extension |
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