RuleReadAttribute 类

定义

指示由 Rule 读取属性。Indicates that a property is read by a Rule. 此类不能被继承。This class cannot be inherited.

public ref class RuleReadAttribute sealed : System::Workflow::Activities::Rules::RuleReadWriteAttribute
[System.AttributeUsage(System.AttributeTargets.Method | System.AttributeTargets.Property, AllowMultiple=true)]
public sealed class RuleReadAttribute : System.Workflow.Activities.Rules.RuleReadWriteAttribute
type RuleReadAttribute = class
    inherit RuleReadWriteAttribute
Public NotInheritable Class RuleReadAttribute
Inherits RuleReadWriteAttribute
继承
属性

注解

此属性用于支持正向链接模型,该模型将导致基于状态更改重新计算规则。This attribute is used to support a forward chaining model that causes the re-evaluation of rules based on state change. RuleReadAttributeRuleInvokeAttributeRuleWriteAttribute 类分别表示用于读取条件、写入操作和调用方法的属性。The RuleReadAttribute, RuleInvokeAttribute, and RuleWriteAttribute classes each indicate the properties used to read a condition, write an action, and invoke a method. 这些属性使工作流仅重新计算将更改最终输出的规则。These attributes enable the workflow to only reevaluate rules that change the final output.

构造函数

RuleReadAttribute(String)

初始化 RuleReadAttribute 类的新实例。Initializes a new instance of the RuleReadAttribute class.

RuleReadAttribute(String, RuleAttributeTarget)

初始化 RuleReadAttribute 类的新实例。Initializes a new instance of the RuleReadAttribute class.

属性

Path

获取到属性的目标的路径。Gets the path to the target of the attribute.

(继承自 RuleReadWriteAttribute)
Target

获取确定如何使用路径查找目标的 RuleAttributeTarget 枚举值。Gets the RuleAttributeTarget enumeration value that determines how to use path to find target.

(继承自 RuleReadWriteAttribute)
TypeId

在派生类中实现时,获取此 Attribute 的唯一标识符。When implemented in a derived class, gets a unique identifier for this Attribute.

(继承自 Attribute)

方法

Equals(Object)

返回一个值,该值指示此实例是否与指定的对象相等。Returns a value that indicates whether this instance is equal to a specified object.

(继承自 Attribute)
GetHashCode()

返回此实例的哈希代码。Returns the hash code for this instance.

(继承自 Attribute)
GetType()

获取当前实例的 TypeGets the Type of the current instance.

(继承自 Object)
IsDefaultAttribute()

在派生类中重写时,指示此实例的值是否是派生类的默认值。When overridden in a derived class, indicates whether the value of this instance is the default value for the derived class.

(继承自 Attribute)
Match(Object)

当在派生类中重写时,返回一个指示此实例是否等于指定对象的值。When overridden in a derived class, returns a value that indicates whether this instance equals a specified object.

(继承自 Attribute)
MemberwiseClone()

创建当前 Object 的浅表副本。Creates a shallow copy of the current Object.

(继承自 Object)
ToString()

返回一个表示当前对象的 string。Returns a string that represents the current object.

(继承自 Object)

显式接口实现

_Attribute.GetIDsOfNames(Guid, IntPtr, UInt32, UInt32, IntPtr)

将一组名称映射为对应的一组调度标识符。Maps a set of names to a corresponding set of dispatch identifiers.

(继承自 Attribute)
_Attribute.GetTypeInfo(UInt32, UInt32, IntPtr)

检索对象的类型信息,然后可以使用该信息获取接口的类型信息。Retrieves the type information for an object, which can be used to get the type information for an interface.

(继承自 Attribute)
_Attribute.GetTypeInfoCount(UInt32)

检索对象提供的类型信息接口的数量(0 或 1)。Retrieves the number of type information interfaces that an object provides (either 0 or 1).

(继承自 Attribute)
_Attribute.Invoke(UInt32, Guid, UInt32, Int16, IntPtr, IntPtr, IntPtr, IntPtr)

提供对某一对象公开的属性和方法的访问。Provides access to properties and methods exposed by an object.

(继承自 Attribute)

适用于