RuleValue Constructor (RuleLogic)

Article
12/15/2008

Initializes a new instance of the RuleValue class with a RuleLogic instance.

Espace de noms: Microsoft.SqlServer.NotificationServices.Rules
Assembly: Microsoft.SqlServer.NotificationServices.Rules (in microsoft.sqlserver.notificationservices.rules.dll)

Syntaxe

'Déclaration
Public Sub New ( _
    rule As RuleLogic _
)

public RuleValue (
    RuleLogic rule
)

public:
RuleValue (
    RuleLogic^ rule
)

public RuleValue (
    RuleLogic rule
)

public function RuleValue (
    rule : RuleLogic
)

Paramètres

rule
The RuleLogic instance that is evaluated to determine the value of the RuleValue instance.

Notes

The specified RuleLogic instance must have the same InputType value as the rule or condition you are defining.

A RuleLogic instance of type FilterRule has a Boolean return value; an instance of type PropertyRule has a return type determined by the Result property.

Exemple

The following example shows how to use a rule value to obtain the logic for a SimpleLeafCondition from a PropertyRule. The SimpleLeafCondition to evaluate the Quantity field for a value that matches the definition of Few:

// Define a new property that defines "Few," "Some," and "Alot"
// of inventory. 
PropertyRule quantityCategory = new PropertyRule(
    new ViewInputType(eventView),
    new PropertyStatement(new SimpleLeafCondition(
        new FieldValue("Quantity"),
        SimpleOperator.LessThan, 100), "Few"),
    new PropertyStatement(new BetweenLeafCondition(
        new FieldValue("Quantity"), 100, 200), "Some"),
    new PropertyStatement(new SimpleLeafCondition(
            new FieldValue("Quantity"),
            SimpleOperator.GreaterThan, 200),
        "Alot"));

// Create subscription and define basic properties.
s = new Subscription(nsApplication, subscriptionClassName);
s.SubscriberId = "Scott";
s.Enabled = true;
s.RuleName = "InventoryTrackerRule";
s.SetFieldValue("DeviceName", "myDevice");
s.SetFieldValue("SubscriberLocale", "en-us");


// Use the new property to return only products with "few" remaining
// in inventory. Note that the category definition can be reused.
s.Condition = new SimpleLeafCondition(
    new RuleValue(quantityCategory),
    SimpleOperator.Equals,
    "Few");

// Add subscription.
s.Add();

Plateformes

Plateformes de développement

Pour obtenir la liste des plateformes prises en charge, consultez Configuration matérielle et logicielle requise pour l'installation de SQL Server 2005.

Plateformes cibles

Pour obtenir la liste des plateformes prises en charge, consultez Configuration matérielle et logicielle requise pour l'installation de SQL Server 2005.

Voir aussi

Référence

RuleValue Class
RuleValue Members
Microsoft.SqlServer.NotificationServices.Rules Namespace

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