Elements::Examples::DataSourceInterface Class Reference

This class has been created to demonstrate unit testing. It is an Interface over a DataSource (a File, a DataBase Table, ...). More...

#include <DataSourceUser.h>

Public Member Functions
virtual std::size_t	countRecords () const =0
	Count the number of records into the DataSource. More...
virtual double	getRecordValue (std::size_t index) const =0
	Fetch the value of the n-th record of the DataSource. More...
virtual	~DataSourceInterface ()=default

Detailed Description

This class has been created to demonstrate unit testing. It is an Interface over a DataSource (a File, a DataBase Table, ...).

Note that as we test the call to this interface, no implementation is provided.

Definition at line 46 of file DataSourceUser.h.

Constructor & Destructor Documentation

~DataSourceInterface()

virtual Elements::Examples::DataSourceInterface::~DataSourceInterface ( )

virtualdefault

Member Function Documentation

countRecords()

virtual std::size_t Elements::Examples::DataSourceInterface::countRecords ( ) const

pure virtual

Count the number of records into the DataSource.

Returns

A unsigned integer containing the number of records in the DataSource.

Referenced by Elements::Examples::DataSourceUser::sumRecords().

getRecordValue()

virtual double Elements::Examples::DataSourceInterface::getRecordValue ( std::size_t  index ) const

pure virtual

Fetch the value of the n-th record of the DataSource.

Parameters

index

The zero-based index of the record into the DataSource.

Returns

The value of the record at the provided index.

Exceptions

Elements::Exception

If no record exists at the specified index.

Referenced by Elements::Examples::DataSourceUser::sumRecords().

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The documentation for this class was generated from the following file:

• ElementsExamples/ElementsExamples/DataSourceUser.h