Class DefaultEvaluatorFactory

Factory for member invocation delegates.

Inheritance

System.Object

DefaultEvaluatorFactory

MemoizingEvaluatorFactory

Implements

IEvaluatorFactory

Namespace: System.Linq.Expressions

Assembly: Nuqleon.Linq.Expressions.Optimizers.dll

Syntax

public class DefaultEvaluatorFactory : Object, IEvaluatorFactory

Constructors

DefaultEvaluatorFactory()

Declaration

public DefaultEvaluatorFactory()

Methods

GetEvaluator(BinaryExpression)

Get an evaluator delegate for the specified binary expression template. The operands of the template expression will be substituted for the parameters passed in to the evaluator.

Declaration

public virtual Func<object, object, object> GetEvaluator(BinaryExpression node)

Parameters

Type	Name	Description
System.Linq.Expressions.BinaryExpression	node	The binary expression template to build an evaluator for.

Returns

Type	Description
System.Func<System.Object, System.Object, System.Object>	An evaluator delegate to evaluate the specified parameterized binary expression.

GetEvaluator(Expression)

Gets an evaluator delegate for the specified expression that's free of parameters.

Declaration

public virtual Func<object> GetEvaluator(Expression expression)

Parameters

Type	Name	Description
System.Linq.Expressions.Expression	expression	The expression to get an evaluator delegate for.

Returns

Type	Description
System.Func<System.Object>	A delegate that returns an System.Object with the result of evaluating the expression.

GetEvaluator(Expression, ParameterExpression[])

Get an evaluator delegate using the specified body and parameters to compile an evaluation lambda.

Declaration

public virtual Delegate GetEvaluator(Expression body, params ParameterExpression[] parameters)

Parameters

Type	Name	Description
System.Linq.Expressions.Expression	body	The body of the evaluation lambda.
System.Linq.Expressions.ParameterExpression[]	parameters	The parameters of the evaluation lambda.

Returns

Type	Description
System.Delegate	An evaluation delegate.

GetEvaluator(UnaryExpression)

Get an evaluator delegate for the specified unary expression template. The operand of the template expression will be substituted for the parameter passed in to the evaluator.

Declaration

public virtual Func<object, object> GetEvaluator(UnaryExpression node)

Parameters

Type	Name	Description
System.Linq.Expressions.UnaryExpression	node	The unary expression template to build an evaluator for.

Returns

Type	Description
System.Func<System.Object, System.Object>	An evaluator delegate to evaluate the specified parameterized unary expression.

GetEvaluator(ConstructorInfo)

Gets an evaluator delegate for the specified constructor.

Declaration

public virtual Delegate GetEvaluator(ConstructorInfo constructor)

Parameters

Type	Name	Description
System.Reflection.ConstructorInfo	constructor	The constructor to get an evaluator delegate for.

Returns

Type	Description
System.Delegate	An evaluator delegate for the specified constructor.

GetEvaluator(FieldInfo)

Gets an evaluator delegate for the specified field.

Declaration

public virtual Delegate GetEvaluator(FieldInfo field)

Parameters

Type	Name	Description
System.Reflection.FieldInfo	field	The field to get an evaluator delegate for.

Returns

Type	Description
System.Delegate	An evaluator delegate for the specified field.

GetEvaluator(MemberInfo)

Gets an evaluator delegate for the specified member.

Declaration

public virtual Delegate GetEvaluator(MemberInfo member)

Parameters

Type	Name	Description
System.Reflection.MemberInfo	member	The member to get an evaluator delegate for.

Returns

Type	Description
System.Delegate	An evaluator delegate for the specified member.

GetEvaluator(MethodInfo)

Gets an evaluator delegate for the specified method.

Declaration

public virtual Delegate GetEvaluator(MethodInfo method)

Parameters

Type	Name	Description
System.Reflection.MethodInfo	method	The method to get an evaluator delegate for.

Returns

Type	Description
System.Delegate	An evaluator delegate for the specified method.

GetEvaluator(PropertyInfo)

Gets an evaluator delegate for the specified property.

Declaration

public virtual Delegate GetEvaluator(PropertyInfo property)

Parameters

Type	Name	Description
System.Reflection.PropertyInfo	property	The method to get an evaluator delegate for.

Returns

Type	Description
System.Delegate	An evaluator delegate for the specified property.

GetEvaluator(Type)

Gets an evaluator delegate to create an instance of the specified type.

Declaration

public virtual Delegate GetEvaluator(Type type)

Parameters

Type	Name	Description
System.Type	type	The type to get an instantiation evaluator delegate for.

Returns

Type	Description
System.Delegate	An evaluator delegate to create an instance of the specified type.

Implements

IEvaluatorFactory