Taxonomy Categories:
Member Functions:
Interface Category:
API.
Inherits From:
None.
Inherited By:
TModelPointerTo
Purpose:
Primarily used as an implementation class for TModelPointerTo. This class performs lazy locking for the model.
Instantiation:
Always allocate on the stack.
Deriving Classes:
This class is designed to be the base class for the TModelPointerTo template. Do not derive from this class.
Concurrency:
Not multithread safe.
Resource Use:
No special requirements.
Other Considerations:
None.
TModelPointer (const TModelReference &)
Interface Category:
API.
Purpose:
Creates a TModelPointer for the specified model reference. This constructor doesn't lock the model, because it doesn't know whether a read or a write lock is required.
Calling Context:
Call this function directly.
Parameters:
Return Value:
None.
Exceptions:
Throws no exceptions, passes all exceptions through.
Concurrency:
Not multithread safe.
Other Considerations:
None.
~ TModelPointer ()
Interface Category:
API.
Purpose:
Destructor. If a lock has been acquired, this function unlocks the model.
Calling Context:
Called to destroy an object.
Parameters:
Return Value:
None.
Exceptions:
Throws no exceptions, passes all exceptions through.
Concurrency:
Not multithread safe.
Other Considerations:
None.
Member Function: TModelPointer::GetModelForWriting
TModel * GetModelForWriting ()
Interface Category:
API.
Purpose:
Locks the model for writing, and then returns a pointer to the model. The model remains locked until the TModelPointer object is destroyed.
Calling Context:
Call this function directly.
Parameters:
Return Value:
Returns a pointer to the locked model.
Exceptions:
Throws no exceptions, passes all exceptions through.
Concurrency:
Not multithread safe.
Other Considerations:
None.
Member Function: TModelPointer::GetModelForReading
const TModel * GetModelForReading () const
Interface Category:
API.
Purpose:
Locks the model for reading, and then returns a pointer to the model. The model remains locked until the TModelPointer object is destroyed.
Calling Context:
Call this function directly.
Parameters:
Return Value:
Returns a pointer to the locked model
Exceptions:
Throws no exceptions, passes all exceptions through.
Concurrency:
Not multithread safe.
Other Considerations:
None.
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