Class: THours

Declaration: TimeClasses.h

Taxonomy Categories:

Member Functions:

THours
~THours
GetHours
operator=

Interface Category:

API.

Inherits From:

TTime

Inherited By:

None.

Purpose:

A TTime derived class for hours.

Instantiation:

Allocate on the heap or the stack.

Deriving Classes:

Derived classes must preserve the TTime and THours interfaces.

Concurrency:

Not multithread safe.

Resource Use:

No special requirements.

Member Function: THours::THours

THours ()
THours (double numberOfHours)
THours (const TTime & theTime)
THours (const THours & theHours)

Interface Category:

API.

Purpose:

Default constructor.
Initializes with the number of hours to represented by the object.
Copy constructor for TTime and derived classes.
Copy constructor.

Calling Context:

Call this function directly.

Called by the stream-in operators and uninitialized objects.
Called to initialize with the hours to be represented.
Called to copy a TTime or derived class.
Called to copy an object.

Parameters:

Takes no parameters.
double numberOfHours -The number of hours to be represented.
const TTime & theTime -The object to copy.
const THours & theHours -The object to copy.

Return Value:

None.

Exceptions:

Throws no exceptions, passes all exceptions through.

Concurrency:

Not multithread safe.

Other Considerations:

Can be safely type cast between TTime derived classes because no extra storage is added.

Member Function: THours::~THours

virtual ~ THours ()

Interface Category:

API.

Purpose:

Destructor.

Calling Context:

Call this function directly. Called to destroy an object.

Parameters:

Takes no parameters.

Return Value:

None.

Exceptions:

Throws no exceptions, passes all exceptions through.

Concurrency:

Not multithread safe.

Other Considerations:

None.

Member Function: THours::GetHours

double GetHours () const

Interface Category:

API.

Purpose:

Gets the number of hours represented.

Calling Context:

Call this function directly. Called to get a double of the number of hours.

Parameters:

Takes no parameters.

Return Value:

Hours.

Exceptions:

Throws no exceptions, passes all exceptions through.

Concurrency:

Not multithread safe.

Other Considerations:

Returns a double that could be a NaN, or positive or negative infinity, depending on the time.

Member Function: THours::operator=

THours & operator =(const THours & theHours)

Interface Category:

API.

Purpose:

Assignment operator.

Calling Context:

Call this function directly. Called when an object is assigned to another compatible object.

Parameters:

const THours & theHours -The source object for the assignment.

Return Value:

A non-const reference to the left-hand side object.

Exceptions:

Throws no exceptions, passes all exceptions through.

Concurrency:

Not multithread safe.

Other Considerations:

None.

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