StatefulCustomMappingFactory<TSrc,TDst,TState> Class
Definition
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The base type for stateful custom mapping factories.
public abstract class StatefulCustomMappingFactory<TSrc,TDst,TState> where TSrc : class, new() where TDst : class, new() where TState : class, new()
type StatefulCustomMappingFactory<'Src, 'Dst, 'State (requires 'Src : null and 'Src : (new : unit -> 'Src) and 'Dst : null and 'Dst : (new : unit -> 'Dst) and 'State : null and 'State : (new : unit -> 'State))> = class
Public MustInherit Class StatefulCustomMappingFactory(Of TSrc, TDst, TState)
Type Parameters
- TSrc
The type that describes what 'source' columns are consumed from the input IDataView.
- TDst
The type that describes what new columns are added by this transform.
- TState
The type that describes the state object the mapping uses.
- Inheritance
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StatefulCustomMappingFactory<TSrc,TDst,TState>
Constructors
StatefulCustomMappingFactory<TSrc,TDst,TState>() |
Methods
GetMapping() |
Returns the mapping delegate that maps from a |
GetStateInitAction() |
Returns an action that is called once before the row cursor is initialized, to initialize the state object used by the cursor. |