Specifies methods to access data stored in files.
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template<typename FeatureManager, typename SummaryStatisticsType = DAAL_SUMMARY_STATISTICS_TYPE>
class daal::data_management::interface1::FileDataSource< FeatureManager, SummaryStatisticsType >
- Template Parameters
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FeatureManager | The type of feature manager that specifies how to extract numerical data from CSV |
SummaryStatisticsType | The floating point type to compute summary statics for numeric table |
Main constructor for a Data Source
- Parameters
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[in] | fileName | Name of the file that stores data |
[in] | doAllocateNumericTable | Flag that specifies whether a Numeric Table associated with a File Data Source is allocated inside the Data Source |
[in] | doCreateDictionaryFromContext | Flag that specifies whether a Data Dictionary is created from the context of the File Data Source |
[in] | initialMaxRows | Initial value of maximum number of rows in Numeric Table allocated in loadDataBlock() method |
Main constructor for a Data Source
- Parameters
-
[in] | fileName | Name of the file that stores data |
[in] | options | Options of data source |
[in] | initialMaxRows | Initial value of maximum number of rows in Numeric Table allocated in loadDataBlock() method |
services::Status createDictionaryFromContext |
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inlinevirtual |
Returns the status of a Data Source
- Returns
- Status of the Data Source
Implements DataSourceIface.
The documentation for this class was generated from the following file: