6c6380969b
1. replace all boost::shared_ptr to std::shared_ptr 2. replace all boost::scopted_ptr to std::unique_ptr 3. replace all boost::scoped_array to std::unique<T[]> 4. replace all boost:thread to std::thread
67 lines
2.5 KiB
C++
67 lines
2.5 KiB
C++
// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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#ifndef DORIS_BE_SRC_UTIL_JSON_UTIL_H
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#define DORIS_BE_SRC_UTIL_JSON_UTIL_H
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#include <rapidjson/document.h>
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#include <rapidjson/rapidjson.h>
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#include <string>
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#include "common/status.h"
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#include "util/pretty_printer.h"
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namespace doris {
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/// ToJsonValue() converts 'value' into a rapidjson::Value in 'out_val'. The type of
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/// 'out_val' depends on the value of 'type'. If type != TUnit::NONE and 'value' is
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/// numeric, 'value' will be set to a string which is the pretty-printed representation of
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/// 'value' (e.g. conversion to MB etc). Otherwise the value is directly copied into
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/// 'out_val'.
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template <typename T>
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typename std::enable_if<!std::is_arithmetic<T>::value, void>::type ToJsonValue(
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const T& value, const TUnit::type unit, rapidjson::Document* document,
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rapidjson::Value* out_val) {
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*out_val = value;
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}
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/// Specialisation for std::string which requires explicit use of 'document's allocator to
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/// copy into out_val.
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template <>
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void ToJsonValue<std::string>(const std::string& value, const TUnit::type unit,
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rapidjson::Document* document, rapidjson::Value* out_val);
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/// Does pretty-printing if 'value' is numeric, and type is not NONE, otherwise constructs
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/// a json object containing 'value' as a literal.
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template <typename T>
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typename boost::enable_if_c<boost::is_arithmetic<T>::value, void>::type ToJsonValue(
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const T& value, const TUnit::type unit, rapidjson::Document* document,
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rapidjson::Value* out_val) {
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if (unit != TUnit::NONE) {
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const std::string& s = PrettyPrinter::print(value, unit);
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ToJsonValue(s, unit, document, out_val);
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} else {
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*out_val = value;
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}
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}
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std::string to_json(const Status& status);
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} // namespace doris
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#endif
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