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00001 #ifndef DataFormats_Common_DataFrame_h 00002 #define DataFormats_Common_DataFrame_h 00003 00004 namespace edm { 00005 00006 class DataFrameContainer; 00007 00008 /* a proxy to a fixed size array of 16bit words belonging to 00009 * a "channel" identified by an 32bit id 00010 * 00011 * FIXME interface to be finalized once use-cases fully identified 00012 * 00013 */ 00014 class DataFrame { 00015 public: 00016 00017 typedef unsigned int size_type; // for persistency 00018 typedef unsigned int id_type; 00019 typedef unsigned short data_type; 00020 typedef data_type * iterator; 00021 typedef data_type const * const_iterator; 00022 00023 00024 inline 00025 DataFrame() : m_id(0), m_data(0), m_size(0){} 00026 inline 00027 DataFrame(id_type i, data_type const * idata, size_type isize) : 00028 m_id(i), m_data(idata), m_size(isize) {} 00029 00030 inline 00031 DataFrame(DataFrameContainer const & icont, 00032 size_type i); 00033 inline 00034 void set(DataFrameContainer const & icont, 00035 size_type i); 00036 inline 00037 data_type & operator[](size_type i) { 00038 return data()[i]; 00039 } 00040 00041 inline 00042 data_type operator[](size_type i) const { 00043 return m_data[i]; 00044 } 00045 00046 inline 00047 iterator begin() { return data();} 00048 00049 inline 00050 iterator end() { return data()+m_size;} 00051 00052 inline 00053 const_iterator begin() const { return m_data;} 00054 00055 inline 00056 const_iterator end() const { return m_data+m_size;} 00057 00058 00059 inline 00060 id_type id() const { return m_id;} 00061 00062 inline 00063 size_type size() const { return m_size; } 00064 00065 private: 00066 data_type * data() { 00067 return const_cast<data_type *>(m_data); 00068 } 00069 00070 id_type m_id; 00071 data_type const * m_data; 00072 size_type m_size; 00073 }; 00074 } 00075 00076 #endif // DataFormats_Common_DataFrame_h
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