Class SpecificationEx

Class containing some extension methods for ISpecification<T>.

Inheritance

System.Object

SpecificationEx

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:Extend

Assembly:Extend.dll

Syntax

public static class SpecificationEx

Methods

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And<T>(ISpecification<T>, Func<T, Boolean>, String)

Combines the current specification with the given expression using an AND link.

Declaration

public static ISpecification<T> And<T>(this ISpecification<T> specification, Func<T, bool> expression, string message = null)

Parameters

Type	Name	Description
ISpecification<T><T>	specification	The current specification.
System.Func<T, TResult><T, System.Boolean>	expression	The expression to add.
System.String	message	The validation error message.

Returns

Type	Description
ISpecification<T><T>	Returns the combined specifications.

Type Parameters

Name	Description
T	The target type of the specification.

Exceptions

Type	Condition
System.ArgumentNullException	specification can not be null.
System.ArgumentNullException	expression can not be null.

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Or<T>(ISpecification<T>, Func<T, Boolean>, String)

Combines the current specification with the given expression using a OR link.

Declaration

public static ISpecification<T> Or<T>(this ISpecification<T> specification, Func<T, bool> expression, string message = null)

Parameters

Type	Name	Description
ISpecification<T><T>	specification	The current specification.
System.Func<T, TResult><T, System.Boolean>	expression	The expression to add.
System.String	message	The validation error message.

Returns

Type	Description
ISpecification<T><T>	Returns the combined specifications.

Type Parameters

Name	Description
T	The target type of the specification.

Exceptions

Type	Condition
System.ArgumentNullException	specification can not be null.
System.ArgumentNullException	expression can not be null.

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XOr<T>(ISpecification<T>, Func<T, Boolean>, String)

Combines the current specification with the given expression using a XOr link.

Declaration

public static ISpecification<T> XOr<T>(this ISpecification<T> specification, Func<T, bool> expression, string message = null)

Parameters

Type	Name	Description
ISpecification<T><T>	specification	The current specification.
System.Func<T, TResult><T, System.Boolean>	expression	The expression to add.
System.String	message	The validation error message.

Returns

Type	Description
ISpecification<T><T>	Returns the combined specifications.

Type Parameters

Name	Description
T	The target type of the specification.

Exceptions

Type	Condition
System.ArgumentNullException	specification can not be null.
System.ArgumentNullException	expression can not be null.