Impala Documentation

void Impala::Core::Array::ImageArchiveFile::Init	(	CString	fileName,
		bool	useMemory,
		Util::Database *	db
	)			`[inline, private]`

Definition at line 123 of file ImageArchiveFile.h.

References Impala::Util::DatabaseReadNative(), Impala::Util::DatabaseWriteNative(), Impala::Util::IOBufferFile::FileExists(), Impala::CmdOptions::GetInstance(), Impala::Util::Database::GetIOBuffer(), ILOG_ERROR, ILOG_INFO, mFileOffset, and mIOBuffer.

Referenced by ImageArchiveFile().

00124     {
00125         mIOBuffer = 0;
00126 
00127         if (db == 0)
00128         {
00129             ILOG_ERROR("No database given");
00130             return;
00131         }
00132         if (fileName.empty())
00133         {
00134             ILOG_ERROR("Empty fileName");
00135             return;
00136         }
00137 
00138         // fileName must be a resolved (absolute) file path
00139         mIOBuffer = db->GetIOBuffer(fileName, true, useMemory, "", 0, true);
00140         //mIOBuffer = db->GetIOBuffer(fileName, true, useMemory, "");
00141         if (!mIOBuffer)
00142             return;
00143 
00144         const String idxPath = fileName + ".idx";
00145         if (CmdOptions::GetInstance().GetString("dataServer").empty())
00146         {
00147             // SK,Oct'08: This approach does currently not work with a dataserver 
00148             //            (the path would be re-resolved at the dataserver side);
00149             //            hence with dataservers we assume the presence of an index file.
00150             if (!Util::IOBufferFile::FileExists(idxPath))
00151             {
00152                 ReadRawListVarIndex<Array2dScalarUInt8>(mFileOffset, mIOBuffer);
00153                 ILOG_INFO("saving index [" + idxPath + "]");
00154                 Util::DatabaseWriteNative(idxPath, db, mFileOffset.begin(),
00155                                           mFileOffset.end());
00156                 return;
00157             }
00158         }
00159 
00160         Util::IOBuffer* indexBuffer = db->GetIOBuffer(idxPath, true, true, "");
00161         Util::DatabaseReadNative(std::back_inserter(mFileOffset), indexBuffer);
00162         delete indexBuffer;
00163         if (mFileOffset.size() == 0)
00164             ILOG_ERROR("Empty .idx file");
00165     }

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