File indexing completed on 2023-10-25 09:47:59
0001 #ifndef FWCore_Utilities_EDPutToken_h
0002 #define FWCore_Utilities_EDPutToken_h
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0030 namespace edm {
0031 class ProductRegistryHelper;
0032 template <typename T>
0033 class EDPutTokenT;
0034 namespace test {
0035 class TestProcessorConfig;
0036 }
0037
0038 class EDPutToken {
0039 friend class ProductRegistryHelper;
0040
0041 public:
0042 using value_type = unsigned int;
0043
0044 constexpr EDPutToken() noexcept : m_value{s_uninitializedValue} {}
0045
0046 template <typename T>
0047 constexpr EDPutToken(EDPutTokenT<T> iOther) noexcept : m_value{iOther.m_value} {}
0048
0049
0050 constexpr value_type index() const noexcept { return m_value; }
0051 constexpr bool isUninitialized() const noexcept { return m_value == s_uninitializedValue; }
0052
0053 private:
0054
0055 friend class TestEDPutToken;
0056
0057 static constexpr unsigned int s_uninitializedValue = 0xFFFFFFFF;
0058
0059 explicit constexpr EDPutToken(unsigned int iValue) noexcept : m_value(iValue) {}
0060
0061
0062 value_type m_value;
0063 };
0064
0065 template <typename T>
0066 class EDPutTokenT {
0067 friend class ProductRegistryHelper;
0068 friend class EDPutToken;
0069 friend class edm::test::TestProcessorConfig;
0070
0071 public:
0072 using value_type = EDPutToken::value_type;
0073
0074 constexpr EDPutTokenT() noexcept : m_value{s_uninitializedValue} {}
0075
0076 constexpr EDPutTokenT(const EDPutTokenT<T>&) noexcept = default;
0077 constexpr EDPutTokenT(EDPutTokenT<T>&&) noexcept = default;
0078 constexpr EDPutTokenT(EDPutTokenT<T>& iToken) noexcept : EDPutTokenT(const_cast<EDPutTokenT<T> const&>(iToken)) {}
0079
0080 template <typename ADAPTER>
0081 constexpr explicit EDPutTokenT(ADAPTER&& iAdapter) noexcept : EDPutTokenT(iAdapter.template produces<T>()) {}
0082
0083 constexpr EDPutTokenT& operator=(const EDPutTokenT<T>&) noexcept = default;
0084 constexpr EDPutTokenT& operator=(EDPutTokenT<T>&&) noexcept = default;
0085 constexpr EDPutTokenT& operator=(EDPutTokenT<T>& iOther) noexcept {
0086 m_value = iOther.m_value;
0087 return *this;
0088 }
0089
0090 template <typename ADAPTER>
0091 constexpr EDPutTokenT& operator=(ADAPTER&& iAdapter) noexcept {
0092 EDPutTokenT<T> temp(iAdapter.template produces<T>());
0093 m_value = temp.m_value;
0094
0095 return *this;
0096 }
0097
0098
0099 constexpr value_type index() const noexcept { return m_value; }
0100 constexpr bool isUninitialized() const noexcept { return m_value == s_uninitializedValue; }
0101
0102 private:
0103
0104 friend class TestEDPutToken;
0105
0106 static constexpr unsigned int s_uninitializedValue = 0xFFFFFFFF;
0107
0108 constexpr explicit EDPutTokenT(unsigned int iValue) noexcept : m_value(iValue) {}
0109 constexpr explicit EDPutTokenT(unsigned long int iValue) noexcept : m_value(iValue) {}
0110
0111
0112 value_type m_value;
0113 };
0114 }
0115
0116 #endif