Classe Policy

The Policy object represents a Policy-Based Management policy. A policy represents the relationship between a target object and a condition.

Gerarchia di ereditarietà

System.Object
  Microsoft.SqlServer.Management.Sdk.Sfc.SfcInstance
    Microsoft.SqlServer.Management.Dmf.Policy

Spazio dei nomi  Microsoft.SqlServer.Management.Dmf
Assembly:  Microsoft.SqlServer.Dmf (in Microsoft.SqlServer.Dmf.dll)

Sintassi

'Dichiarazione
<StrongNameIdentityPermissionAttribute(SecurityAction.LinkDemand, PublicKey := "0024000004800000940000000602000000240000525341310004000001000100272736ad6e5f9586bac2d531eabc3acc666c2f8ec879fa94f8f7b0327d2ff2ed523448f83c3d5c5dd2dfc7bc99c5286b2c125117bf5cbe242b9d41750732b2bdffe649c6efb8e5526d526fdd130095ecdb7bf210809c6cdad8824faa9ac0310ac3cba2aa0523567b2dfa7fe250b30facbd62d4ec99b94ac47c7d3b28f1f6e4c8")> _
<StrongNameIdentityPermissionAttribute(SecurityAction.LinkDemand, PublicKey := "0024000004800000940000000602000000240000525341310004000001000100272736ad6e5f9586bac2d531eabc3acc666c2f8ec879fa94f8f7b0327d2ff2ed523448f83c3d5c5dd2dfc7bc99c5286b2c125117bf5cbe242b9d41750732b2bdffe649c6efb8e5526d526fdd130095ecdb7bf210809c6cdad8824faa9ac0310ac3cba2aa0523567b2dfa7fe250b30facbd62d4ec99b94ac47c7d3b28f1f6e4c8")> _
Public NotInheritable Class Policy _
    Inherits SfcInstance _
    Implements ISfcCreatable, ICreatable, ISfcDroppable, IDroppable,  _
    ISfcAlterable, IAlterable, ISfcRenamable, IRenamable, ISfcValidate
'Utilizzo
Dim instance As Policy

[StrongNameIdentityPermissionAttribute(SecurityAction.LinkDemand, PublicKey = "0024000004800000940000000602000000240000525341310004000001000100272736ad6e5f9586bac2d531eabc3acc666c2f8ec879fa94f8f7b0327d2ff2ed523448f83c3d5c5dd2dfc7bc99c5286b2c125117bf5cbe242b9d41750732b2bdffe649c6efb8e5526d526fdd130095ecdb7bf210809c6cdad8824faa9ac0310ac3cba2aa0523567b2dfa7fe250b30facbd62d4ec99b94ac47c7d3b28f1f6e4c8")]
[StrongNameIdentityPermissionAttribute(SecurityAction.LinkDemand, PublicKey = "0024000004800000940000000602000000240000525341310004000001000100272736ad6e5f9586bac2d531eabc3acc666c2f8ec879fa94f8f7b0327d2ff2ed523448f83c3d5c5dd2dfc7bc99c5286b2c125117bf5cbe242b9d41750732b2bdffe649c6efb8e5526d526fdd130095ecdb7bf210809c6cdad8824faa9ac0310ac3cba2aa0523567b2dfa7fe250b30facbd62d4ec99b94ac47c7d3b28f1f6e4c8")]
public sealed class Policy : SfcInstance, 
    ISfcCreatable, ICreatable, ISfcDroppable, IDroppable, ISfcAlterable, 
    IAlterable, ISfcRenamable, IRenamable, ISfcValidate

[StrongNameIdentityPermissionAttribute(SecurityAction::LinkDemand, PublicKey = L"0024000004800000940000000602000000240000525341310004000001000100272736ad6e5f9586bac2d531eabc3acc666c2f8ec879fa94f8f7b0327d2ff2ed523448f83c3d5c5dd2dfc7bc99c5286b2c125117bf5cbe242b9d41750732b2bdffe649c6efb8e5526d526fdd130095ecdb7bf210809c6cdad8824faa9ac0310ac3cba2aa0523567b2dfa7fe250b30facbd62d4ec99b94ac47c7d3b28f1f6e4c8")]
[StrongNameIdentityPermissionAttribute(SecurityAction::LinkDemand, PublicKey = L"0024000004800000940000000602000000240000525341310004000001000100272736ad6e5f9586bac2d531eabc3acc666c2f8ec879fa94f8f7b0327d2ff2ed523448f83c3d5c5dd2dfc7bc99c5286b2c125117bf5cbe242b9d41750732b2bdffe649c6efb8e5526d526fdd130095ecdb7bf210809c6cdad8824faa9ac0310ac3cba2aa0523567b2dfa7fe250b30facbd62d4ec99b94ac47c7d3b28f1f6e4c8")]
public ref class Policy sealed : public SfcInstance, 
    ISfcCreatable, ICreatable, ISfcDroppable, IDroppable, ISfcAlterable, 
    IAlterable, ISfcRenamable, IRenamable, ISfcValidate

[<SealedAttribute>]
[<StrongNameIdentityPermissionAttribute(SecurityAction.LinkDemand, PublicKey = "0024000004800000940000000602000000240000525341310004000001000100272736ad6e5f9586bac2d531eabc3acc666c2f8ec879fa94f8f7b0327d2ff2ed523448f83c3d5c5dd2dfc7bc99c5286b2c125117bf5cbe242b9d41750732b2bdffe649c6efb8e5526d526fdd130095ecdb7bf210809c6cdad8824faa9ac0310ac3cba2aa0523567b2dfa7fe250b30facbd62d4ec99b94ac47c7d3b28f1f6e4c8")>]
[<StrongNameIdentityPermissionAttribute(SecurityAction.LinkDemand, PublicKey = "0024000004800000940000000602000000240000525341310004000001000100272736ad6e5f9586bac2d531eabc3acc666c2f8ec879fa94f8f7b0327d2ff2ed523448f83c3d5c5dd2dfc7bc99c5286b2c125117bf5cbe242b9d41750732b2bdffe649c6efb8e5526d526fdd130095ecdb7bf210809c6cdad8824faa9ac0310ac3cba2aa0523567b2dfa7fe250b30facbd62d4ec99b94ac47c7d3b28f1f6e4c8")>]
type Policy =  
    class 
        inherit SfcInstance 
        interface ISfcCreatable 
        interface ICreatable 
        interface ISfcDroppable 
        interface IDroppable 
        interface ISfcAlterable 
        interface IAlterable 
        interface ISfcRenamable 
        interface IRenamable 
        interface ISfcValidate 
    end

public final class Policy extends SfcInstance implements ISfcCreatable, ICreatable, ISfcDroppable, IDroppable, ISfcAlterable, IAlterable, ISfcRenamable, IRenamable, ISfcValidate

Nel tipo Policy sono esposti i membri seguenti.

Costruttori

	Nome	Descrizione
	Policy()	Initializes a new instance of the Policy class.
	Policy(PolicyStore, String)	Initializes a new instance of the Policy class.

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Proprietà

	Nome	Descrizione
	AbstractIdentityKey	Non fare riferimento direttamente a questo membro nel codice. Supporta l'infrastruttura di SQL Server. Ereditato da SfcInstance.
	AutomatedPolicyEvaluationMode	Gets or sets the evaluation mode.
	CategoryId	Gets the ID value that uniquely identifies the category that is associated with the policy.
	Condition	Gets or sets the condition.
	CreateDate	Gets the date and time when the policy was created.
	CreatedBy	Gets the policy store authentication credentials of the user who created the policy.
	DateModified	Gets the date and time when the policy was last modified.
	Description	Gets or sets the textual description of the policy.
	Enabled	Gets or set the Boolean value that specifies whether the policy is enabled.
	EvaluationHistories	Gets the evaluation histories collection.
	HasScript	Gets the Boolean value that specifies whether the policy has a script.
	HelpLink	Gets or sets a URN to additional help information for the policy.
	HelpText	Gets or sets the display name for the help text.
	ID	Gets the ID value that uniquely identifies the policy.
	IdentityKey	Gets the key that identifies the policy.
	IsSystemObject	Determines whether the Policy object is a Object.
	Metadata	Returns metadata about the instance and its domain. Ereditato da SfcInstance.
	ModifiedBy	Gets the policy store authentication credentials of the user who last modified the policy.
	Name	Gets the name of the Policy object.
	ObjectSet	Gets or sets the set of objects that are associated with the policy.
	Parent	Gets or sets the PolicyStore that is the parent of the policy object.
	PolicyCategory	Gets or sets the category that is associated with the policy.
	Properties	Returns a collection instance properties. Ereditato da SfcInstance.
	RootCondition	Gets or sets the name of the root condition for this policy.
	ScheduleUid	Gets or sets the Guid that identifies the SQL Server Agent schedule that checks on the policy.
	State	Returns the state of the SfcInstance object. Ereditato da SfcInstance.
	Urn	Returns the uniform resource name of the SfcInstance object. Ereditato da SfcInstance.

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Metodi

	Nome	Descrizione
	Alter	Updates any Policy object property changes on the instance of SQL Server.
	Create	Creates management policy item.
	CreateIdentityKey	Non fare riferimento direttamente a questo membro nel codice. Supporta l'infrastruttura di SQL Server. Ereditato da SfcInstance.
	Discover	Discovers conditions in the ObjectSet and adds them to the ISfcDependencyDiscoveryObjectSink identified by the sink parameter. Esegue l'override di SfcInstance.Discover(ISfcDependencyDiscoveryObjectSink).
	Drop	Removes the policy from the instance of SQL Server.
	Equals	Ereditato da Object.
	Evaluate(AdHocPolicyEvaluationMode, array<ISfcConnection[])	Evaluates the Policy object and applies policy to the data in identified by the targetConnections parameter.
	Evaluate(AdHocPolicyEvaluationMode, array<Object[])	Immediately executes the policy against the specified target objects by using the specified evaluation mode.
	Evaluate(AdHocPolicyEvaluationMode, SfcQueryExpression, array<ISfcConnection[])	Evaluates the Policy object and applies policy to the data in identified by the targetConnections parameter.
	GetChildCollection	Non fare riferimento direttamente a questo membro nel codice. Supporta l'infrastruttura di SQL Server. Ereditato da SfcInstance.
	GetDomain	Non fare riferimento direttamente a questo membro nel codice. Supporta l'infrastruttura di SQL Server. Ereditato da SfcInstance.
	GetHashCode	Ereditato da Object.
	GetObjectFactory	Gets the object factory for the object.
	GetPropertySet	Returns the set of properties for the SfcInstance object. Ereditato da SfcInstance.
	GetType	Ereditato da Object.
	GetTypeMetadataImpl	Indicates the domains that override by returning the right TypeMetadata class directly. Non fare riferimento direttamente a questo membro nel codice. Supporta l'infrastruttura di SQL Server. Ereditato da SfcInstance.
	InitializeUIPropertyState	Non fare riferimento direttamente a questo membro nel codice. Supporta l'infrastruttura di SQL Server. Ereditato da SfcInstance.
	OnPropertyMetadataChanges	Invoked whenever the effective value of any SfcInstance metadata is updated. Ereditato da SfcInstance.
	OnPropertyValueChanges	Invoked whenever the effective value of any SfcInstance property is updated. Ereditato da SfcInstance.
	ProduceConfigureScript	Gets the condition of a Policy object.
	Refresh	Refreshes the object's properties by reading them from the server. Ereditato da SfcInstance.
	Rename	Renames the policy.
	ResetKey	Non fare riferimento direttamente a questo membro nel codice. Supporta l'infrastruttura di SQL Server. Ereditato da SfcInstance.
	ScriptAlter	Alters the script that is used to create the policy.
	ScriptAlterWithObjectSet	Alters a previously created ISfcScript object of the Policy object.
	ScriptCreate	Creates a script that is used to create the policy.
	ScriptCreateWithDependencies	Creates the ISfcScript object of the Policy object.
	ScriptCreateWithObjectSet	Creates the ISfcScript object of the ObjectSet.
	ScriptDrop	Drops the script that is used to create the policy.
	ScriptDropWithObjectSet	Drops the ISfcScript object of the ObjectSet.
	Serialize	Serializes the instance to XML. Ereditato da SfcInstance.
	ToString	Returns a string representation of the instance Urn. Ereditato da SfcInstance.
	UsesFacet	Determines whether the facet identified by the parameter is contained by the Condition.
	Validate	Validates a Policy object as specified by the mode parameter.

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Eventi

	Nome	Descrizione
	ConnectionProcessingFinished	Represents the event activated when connection processing completes.
	ConnectionProcessingStarted	Represents the event activated when connection processing begins.
	PolicyEvaluationFinished	Represents the event activated when policy evaluation completes.
	PolicyEvaluationStarted	Represents the event activated when policy evaluation begins.
	PropertyChanged	CLS-compliant event for property changes. Ereditato da SfcInstance.
	PropertyMetadataChanged	CLS-compliant event for property metadata changes. Ereditato da SfcInstance.
	TargetProcessed	Represents the event activated when policy target is processed.

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Campi

	Nome	Descrizione
	HelpLinkStringMaxLength	Specifies the maximum length of the link to help text.
	HelpTextStringMaxLength	Specifies the maximum length of the help text.

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Implementazioni esplicite dell'interfaccia

	Nome	Descrizione
	ISfcRenamable.Rename	Renames the instance of Policy identified by the key parameter.
	ISfcRenamable.ScriptRename	Renames a script in the policy.
	ISfcValidate.Validate	Validates a Policy object.

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Osservazioni

A policy represents the relationship between an individual object or a target set of objects and a condition.

A target is an entity on an instance of SQL Server. It could be the instance of SQL Server, or a component of it, such as a database or a table.

A condition is a relationship between a facet and a Boolean expression that determine the state of the facet. A facet is a dimension of a target. For example, the target could be an instance of SQL Server, the facet is Database Mail, the expression specifies that it is installed on the instance and the condition is that Database Mail is installed. Thus, the policy is that Database Mail is installed on the specified instance of SQL Server.

The evaluation mode of the policy determines how and when the policy is checked and enforced.

Using the Policy object, you can manage the following characteristics of a policy:

• Condition

• Evaluation mode

• Schedule

• Target set filter using XPath expression

• A job on evaluation success

• A job on evaluation failure

• A policy group

Esempi

C#

Policy p = new Policy(ps, policyName);
p.AutomatedPolicyEvaluationMode = execMode;
p.Condition = condition.Name;
p.ScheduleUid = schedule.ScheduleUid;
if (execMode != AutomatedPolicyEvaluationMode.None) p.Enabled = true;
p.Create();

Protezione dei thread

I membri static (Shared in Visual Basic) pubblici di questo tipo sono affidabili. Non è invece garantita la sicurezza dei membri dell'istanza.

Vedere anche

Riferimento

Spazio dei nomi Microsoft.SqlServer.Management.Dmf

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