Class NotifyValue<T>

Abstract base implementation of notify value

Inheritance

object

NotifyValue<T>

ObservableAggregate<TSource, TAccumulator, TResult>

Implements

INotifyValue<T>

INotifiable

IDisposable

ISuccessorList

Inherited Members

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

object.ToString()

Namespace: NMF.Expressions

Assembly: NMF.Expressions.dll

Syntax

public abstract class NotifyValue<T> : INotifyValue<T>, INotifiable, IDisposable, ISuccessorList

Type Parameters

Name	Description
T	The element type

Properties

AllSuccessors

Declaration

public IEnumerable<INotifiable> AllSuccessors { get; }

Property Value

Type	Description
IEnumerable<INotifiable>

Count

The number of elements

Declaration

public int Count { get; }

Property Value

Type	Description
int

Dependencies

Nodes that notify this node.

Declaration

public abstract IEnumerable<INotifiable> Dependencies { get; }

Property Value

Type	Description
IEnumerable<INotifiable>

ExecutionMetaData

Used by the execution engine during incremental execution.

Declaration

public ExecutionMetaData ExecutionMetaData { get; }

Property Value

Type	Description
ExecutionMetaData

HasSuccessors

True, if there is any successor, otherwise False

Declaration

public bool HasSuccessors { get; }

Property Value

Type	Description
bool

IsAttached

True, if successors are attached, otherwise False

Declaration

public bool IsAttached { get; }

Property Value

Type	Description
bool

Successors

The nodes that will get notified by this node.

Declaration

public ISuccessorList Successors { get; }

Property Value

Type	Description
ISuccessorList

Value

Gets the current value

Declaration

public abstract T Value { get; }

Property Value

Type	Description
T

Methods

Attach()

Declaration

protected virtual void Attach()

Detach()

Declaration

protected virtual void Detach()

Dispose()

Declaration

public void Dispose()

GetSuccessor(int)

Gets the successor at the given index

Declaration

public INotifiable GetSuccessor(int index)

Parameters

Type	Name	Description
int	index	The index

Returns

Type	Description
INotifiable	The DDG node with the given index

Notify(IList<INotificationResult>)

Gets called when one of the dependencies signals a notification.

Declaration

public abstract INotificationResult Notify(IList<INotificationResult> sources)

Parameters

Type	Name	Description
IList<INotificationResult>	sources	Contains information about what triggered this notification.

Returns

Type	Description
INotificationResult	An object describing the changes that happened in this notification.

OnValueChanged(ValueChangedEventArgs)

Gets called when the value changed

Declaration

protected virtual void OnValueChanged(ValueChangedEventArgs e)

Parameters

Type	Name	Description
ValueChangedEventArgs	e	event args

OnValueChanged(T, T)

Raises the ValueChanged event

Declaration

protected void OnValueChanged(T oldValue, T newValue)

Parameters

Type	Name	Description
T	oldValue	old value
T	newValue	new value

Set(INotifiable)

Add the given DDG node to the list

Declaration

public void Set(INotifiable node)

Parameters

Type	Name	Description
INotifiable	node	The DDG node to add

SetDummy()

Sets a dummy

Declaration

public void SetDummy()

Unset(INotifiable, bool)

Unset the given DDG node as successor

Declaration

public void Unset(INotifiable node, bool leaveDummy = false)

Parameters

Type	Name	Description
INotifiable	node	the DDG node
bool	leaveDummy	True, to leave the dummy in operation, otherwise False

UnsetAll()

Clear the list

Declaration

public void UnsetAll()

Events

ValueChanged

Gets fired when the value changed

Declaration

public event EventHandler<ValueChangedEventArgs> ValueChanged

Event Type

Type	Description
EventHandler<ValueChangedEventArgs>

Implements

INotifyValue<T>

INotifiable

IDisposable

ISuccessorList

Extension Methods

DebugExtensions.ExportToDgml(INotifiable, string)

DebugExtensions.Visualize(INotifiable)

ReversableExtensions.AsReversable<T>(INotifyValue<T>, Action<T>)

ExpressionExtensions.AsOne<T>(T)