ExpressionContextT Class

Represents a dynamic expression context for evaluating expressions with variables and imports.

Definition

Namespace: Gemstone.Expressions.Evaluator
Assembly: Gemstone.Expressions (in Gemstone.Expressions.dll) Version: 1.0.138 -- Release Build+63a7edac60a211bd5f0d2e3c31f6620955dda11d

C#View Source Request Example

public class ExpressionContext<T> : ISupportContextVariables

VBView Source Request Example

Public Class ExpressionContext(Of T)
	Implements ISupportContextVariables

C++View Source Request Example

generic<typename T>
public ref class ExpressionContext : ISupportContextVariables

JavaScriptView Source Request Example

JavaScript does not support generic types or methods.

Inheritance: Object ExpressionContextT

Derived: Gemstone.Expressions.EvaluatorExpressionContext

Implements: ISupportContextVariables

Type Parameters

T: [Missing <typeparam name="T"/> documentation for "T:Gemstone.Expressions.Evaluator.ExpressionContext`1"]

Remarks

All variables that can be used in an expression should be defined before the expression is compiled. For compilation, variable values can simply be initialized with default values and then updated later before the expression is evaluated.

Constructors

ExpressionContextT

Initializes a new instance of the ExpressionContextT class

Properties

DefaultValue	Gets or sets the default value to use for undefined variables.
Imports	Gets the type registry used to resolve imported types for an expression.
Variables	Gets the dictionary of variables that can be accessed in an expression.

Methods

Equals	Determines whether the specified object is equal to the current object. (Inherited from Object)
Finalize	Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object)
GetHashCode	Serves as the default hash function. (Inherited from Object)
GetType	Gets the Type of the current instance. (Inherited from Object)
MemberwiseClone	Creates a shallow copy of the current Object. (Inherited from Object)
ToString	Returns a string that represents the current object. (Inherited from Object)