| void Impala::Core::Table::Write | ( | TableT * | table, | |
| Util::IOBuffer * | buffer, | |||
| bool | binary | |||
| ) | [inline] |
Definition at line 19 of file Write.h.
References Impala::Util::IOBuffer::GetPosition(), ILOG_ERROR, ILOG_VAR, IMPALA_VERSION_STR, Impala::Util::IOBuffer::Seek(), SVN_VERSION_STR, Write(), and Impala::Util::IOBuffer::Write().
Referenced by Impala::Core::ImageSet::ProtoSimilarityEval::HandleDoneDir(), Impala::Core::VideoSet::LbpEval::HandleDoneFile(), Impala::Core::VideoSet::KfrMotionExtractor::HandleDoneFile(), Impala::Core::VideoSet::HistogramExtractor::HandleDoneFile(), Impala::Core::VideoSet::Color64Extractor::HandleDoneFile(), Impala::Core::VideoSet::ProtoSimilarityEval::HandleDoneFile(), Impala::Core::VideoSet::SelectFrames::HandleDoneWalk(), Impala::Core::VideoSet::IndexFeaturesSubset::HandleDoneWalk(), Impala::Core::VideoSet::IndexAnnotation::HandleDoneWalk(), Impala::Core::VideoSet::IndexFeatures::HandleDoneWalk(), Impala::Core::ImageSet::IndexFeatures::HandleDoneWalk(), Impala::Core::Table::Bayes::SaveQuidTablePerGenre(), Impala::Core::Table::AnnotationTableSet::SaveTables(), and Write().
00020 { 00021 ILOG_VAR(Impala.Core.Table.Write); 00022 if (!table) 00023 { 00024 ILOG_ERROR("No table"); 00025 return; 00026 } 00027 00028 // count columns 00029 int columnCount = 0; 00030 if(table->GetColumn1()->Valid()) columnCount = 1; 00031 if(table->GetColumn2()->Valid()) columnCount = 2; 00032 if(table->GetColumn3()->Valid()) columnCount = 3; 00033 if(table->GetColumn4()->Valid()) columnCount = 4; 00034 if(table->GetColumn5()->Valid()) columnCount = 5; 00035 if(table->GetColumn6()->Valid()) columnCount = 6; 00036 if(table->GetColumn7()->Valid()) columnCount = 7; 00037 if(table->GetColumn8()->Valid()) columnCount = 8; 00038 if(table->GetColumn9()->Valid()) columnCount = 9; 00039 00040 // construct table header 00041 const int TABLEHEADERSIZE = 1024; 00042 std::ostringstream oss; 00043 oss << "impalatableversion: 2, columns: " << columnCount << ", " 00044 << "size: " << table->Size() << "\n"; 00045 for(int i = 1; i <= columnCount; i++) 00046 oss << "column" << i << ": " << table->GetColName(i) << "\n"; 00047 00048 oss << "info: " << table->GetInfo() << "\n"; 00049 00050 std::time_t rawtime; 00051 std::time ( &rawtime ); 00052 oss << "computedon: " << std::ctime (&rawtime); // ctime comes with \n 00053 oss << "computedby: Impala " << IMPALA_VERSION_STR 00054 << " (svnversion " << SVN_VERSION_STR << ") compiled " 00055 << __DATE__ << " " << __TIME__ << "\n"; 00056 while(oss.tellp() < TABLEHEADERSIZE) 00057 oss << ' '; 00058 oss.seekp(TABLEHEADERSIZE - 1, std::ios::beg); 00059 oss << '\n'; 00060 00061 // write the table header 00062 buffer->Write(oss.str().c_str(), TABLEHEADERSIZE); 00063 00064 // write footer placeholder 00065 Int64 footer[16]; 00066 for(int i = 0; i < 16; i++) 00067 footer[i] = 0; 00068 Util::IOBuffer::PositionType footerStartPos = buffer->GetPosition(); 00069 buffer->Write(footer, sizeof(Int64) * 16); 00070 00071 // write all columns + collect footer information 00072 // "impalafooter" 0x01 0x00 0x00 0x00 00073 footer[0] = 0x6F66616C61706D69LL; 00074 footer[1] = 0x000000017265746FLL; 00075 footer[2] = columnCount; 00076 footer[3] = table->Size(); 00077 footer[4] = buffer->GetPosition(); 00078 Column::Write(table->GetColumn1(), table->Size(), buffer, binary); 00079 footer[5] = buffer->GetPosition(); 00080 Column::Write(table->GetColumn2(), table->Size(), buffer, binary); 00081 footer[6] = buffer->GetPosition(); 00082 Column::Write(table->GetColumn3(), table->Size(), buffer, binary); 00083 footer[7] = buffer->GetPosition(); 00084 Column::Write(table->GetColumn4(), table->Size(), buffer, binary); 00085 footer[8] = buffer->GetPosition(); 00086 Column::Write(table->GetColumn5(), table->Size(), buffer, binary); 00087 footer[9] = buffer->GetPosition(); 00088 Column::Write(table->GetColumn6(), table->Size(), buffer, binary); 00089 footer[10] = buffer->GetPosition(); 00090 Column::Write(table->GetColumn7(), table->Size(), buffer, binary); 00091 footer[11] = buffer->GetPosition(); 00092 Column::Write(table->GetColumn8(), table->Size(), buffer, binary); 00093 footer[12] = buffer->GetPosition(); 00094 Column::Write(table->GetColumn9(), table->Size(), buffer, binary); 00095 footer[13] = buffer->GetPosition(); 00096 footer[14] = 0; 00097 footer[15] = 0; 00098 00099 Util::IOBuffer::PositionType eofPos = buffer->GetPosition(); 00100 // write footer 00101 buffer->Seek(footerStartPos, SEEK_SET); 00102 buffer->Write(footer, sizeof(Int64) * 16); 00103 buffer->Seek(eofPos, SEEK_SET); // get back to EOF 00104 }
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