55 lines
1.7 KiB
C++
55 lines
1.7 KiB
C++
/**
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* Copyright (c) 2017 by Contributors
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* @file dgl/runtime/serializer.h
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* @brief Serializer extension to support DGL data types
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* Include this file to enable serialization of DGLDataType, DGLContext
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*/
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#ifndef DGL_RUNTIME_SMART_PTR_SERIALIZER_H_
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#define DGL_RUNTIME_SMART_PTR_SERIALIZER_H_
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#include <dgl/graph_serializer.h>
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#include <dmlc/io.h>
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#include <dmlc/serializer.h>
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#include <memory>
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namespace dmlc {
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namespace serializer {
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//! \cond Doxygen_Suppress
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template <typename T>
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struct Handler<std::shared_ptr<T>> {
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inline static void Write(Stream *strm, const std::shared_ptr<T> &data) {
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Handler<T>::Write(strm, *data.get());
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}
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inline static bool Read(Stream *strm, std::shared_ptr<T> *data) {
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// When read, the default initialization behavior of shared_ptr is
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// shared_ptr<T>(), which is holding a nullptr. Here we need to manually
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// reset to a real object for further loading
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if (!(*data)) {
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data->reset(dgl::Serializer::new_object<T>());
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}
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return Handler<T>::Read(strm, data->get());
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}
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};
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template <typename T>
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struct Handler<std::unique_ptr<T>> {
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inline static void Write(Stream *strm, const std::unique_ptr<T> &data) {
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Handler<T>::Write(strm, *data.get());
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}
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inline static bool Read(Stream *strm, std::unique_ptr<T> *data) {
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// When read, the default initialization behavior of unique_ptr is
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// unique_ptr<T>(), which is holding a nullptr. Here we need to manually
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// reset to a real object for further loading
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if (!(*data)) {
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data->reset(dgl::Serializer::new_object<T>());
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}
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return Handler<T>::Read(strm, data->get());
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}
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};
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} // namespace serializer
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} // namespace dmlc
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#endif // DGL_RUNTIME_SMART_PTR_SERIALIZER_H_
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