Table of Contents

Class NotifyReversableValue<T>

Namespace
NMF.Expressions
Assembly
NMF.Expressions.dll

base implementation of a reversable notify value

public class NotifyReversableValue<T> : INotifyReversableValue<T>, INotifyValue<T>, INotifiable, IDisposable, INotifyPropertyChanged, ISuccessorList

Type Parameters

T

The element type

Inheritance
NotifyReversableValue<T>
Implements
Inherited Members
Extension Methods

Constructors

NotifyReversableValue(Expression<Func<T>>, IDictionary<string, object>)

Create a new instance

public NotifyReversableValue(Expression<Func<T>> expression, IDictionary<string, object> parameterMappings = null)

Parameters

expression Expression<Func<T>>

The underlying expression

parameterMappings IDictionary<string, object>

Parameter mappings

Properties

AllSuccessors 

public IEnumerable<INotifiable> AllSuccessors { get; }

Property Value

IEnumerable<INotifiable>

Count

The number of elements

public int Count { get; }

Property Value

int

Dependencies

Nodes that notify this node.

public IEnumerable<INotifiable> Dependencies { get; }

Property Value

IEnumerable<INotifiable>

ExecutionMetaData

Used by the execution engine during incremental execution.

public ExecutionMetaData ExecutionMetaData { get; }

Property Value

ExecutionMetaData

HasSuccessors

True, if there is any successor, otherwise False

public bool HasSuccessors { get; }

Property Value

bool

IsAttached

True, if successors are attached, otherwise False

public bool IsAttached { get; }

Property Value

bool

IsReversable

Checks whether it is allowed to set values

public bool IsReversable { get; }

Property Value

bool

Successors

The nodes that will get notified by this node.

public ISuccessorList Successors { get; }

Property Value

ISuccessorList

Value

Gets or sets the current value

public T Value { get; set; }

Property Value

T

Methods

Dispose()

Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.

public void Dispose()

GetSuccessor(int)

Gets the successor at the given index

public INotifiable GetSuccessor(int index)

Parameters

index int

The index

Returns

INotifiable

The DDG node with the given index

Notify(IList<INotificationResult>)

Gets called when one of the dependencies signals a notification.

public virtual INotificationResult Notify(IList<INotificationResult> sources)

Parameters

sources IList<INotificationResult>

Contains information about what triggered this notification.

Returns

INotificationResult

An object describing the changes that happened in this notification.

OnAttach()

Occurs when this node gets (re)attached to another node for the first time

protected virtual void OnAttach()

OnDetach()

Occurs when the last successor of this node gets removed

protected virtual void OnDetach()

OnPropertyChanged(string)

Raises PropertyChanged

protected virtual void OnPropertyChanged(string propertyName)

Parameters

propertyName string

the name of the property

OnValueChanged(T, T)

Gets called when the value changed

protected virtual void OnValueChanged(T oldValue, T newValue)

Parameters

oldValue T

old value

newValue T

new value

Set(INotifiable)

Add the given DDG node to the list

public void Set(INotifiable node)

Parameters

node INotifiable

The DDG node to add

SetDummy()

Sets a dummy

public void SetDummy()

Unset(INotifiable, bool)

Unset the given DDG node as successor

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

Parameters

node INotifiable

the DDG node

leaveDummy bool

True, to leave the dummy in operation, otherwise False

UnsetAll()

Clear the list

public void UnsetAll()

Events

PropertyChanged

Occurs when a property value changes.

public event PropertyChangedEventHandler PropertyChanged

Event Type

PropertyChangedEventHandler

ValueChanged

Gets fired when the value changed

public event EventHandler<ValueChangedEventArgs> ValueChanged

Event Type

EventHandler<ValueChangedEventArgs>
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