Class DefinedVariablesOnlyExpressionContextWrappingDecorator

Implementation of IGetsValueFromObject which uses only defined (global or local) variables to resolve values from the expression context. Similar to ExpressionContextWrappingDecorator.

Inheritance

System.Object

DefinedVariablesOnlyExpressionContextWrappingDecorator

Implements

IGetsValueFromObject

Inherited Members

System.Object.Equals(System.Object)

System.Object.Equals(System.Object, System.Object)

System.Object.GetHashCode()

System.Object.GetType()

System.Object.MemberwiseClone()

System.Object.ReferenceEquals(System.Object, System.Object)

System.Object.ToString()

Namespace: ZptSharp.Expressions.PathExpressions

Assembly: ZptSharp.dll

Syntax

public class DefinedVariablesOnlyExpressionContextWrappingDecorator : IGetsValueFromObject

Constructors

DefinedVariablesOnlyExpressionContextWrappingDecorator(IGetsValueFromObject)

Initializes a new instance of the DefinedVariablesOnlyExpressionContextWrappingDecorator class.

Declaration

public DefinedVariablesOnlyExpressionContextWrappingDecorator(IGetsValueFromObject wrapped)

Parameters

Type	Name	Description
IGetsValueFromObject	wrapped	Wrapped.

Methods

TryGetValueAsync(String, Object, CancellationToken)

Returns the result from the wrapped service. If the object parameter is an instance of ExpressionContext then it is substituted in the call to the wrapped service with an instance of DefinedVariablesOnlyTalesValueForExpressionContextAdapter wrapping the original context.

Declaration

public Task<GetValueResult> TryGetValueAsync(string name, object object, CancellationToken cancellationToken = default(CancellationToken))

Parameters

Type	Name	Description
System.String	name	The value name.
System.Object	object	The object from which to retrieve the value.
System.Threading.CancellationToken	cancellationToken	An optional cancellation token.

Returns

Type	Description
System.Threading.Tasks.Task<GetValueResult>	An object indicating whether a value was successfully retrieved or not, along with the retrieved value (if applicable).

Implements

IGetsValueFromObject