Classe AlertCategory

The AlertCategory class contains attributes that allow alerts to be categorized.

Gerarchia di ereditarietà

System.Object
  Microsoft.SqlServer.Management.Smo.SmoObjectBase
    Microsoft.SqlServer.Management.Smo.SqlSmoObject
      Microsoft.SqlServer.Management.Smo.NamedSmoObject
        Microsoft.SqlServer.Management.Smo.Agent.AgentObjectBase
          Microsoft.SqlServer.Management.Smo.Agent.CategoryBase
            Microsoft.SqlServer.Management.Smo.Agent.AlertCategory

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

Sintassi

'Dichiarazione
Public NotInheritable Class AlertCategory _
    Inherits CategoryBase
'Utilizzo
Dim instance As AlertCategory

public sealed class AlertCategory : CategoryBase

public ref class AlertCategory sealed : public CategoryBase

[<SealedAttribute>]
type AlertCategory =  
    class 
        inherit CategoryBase 
    end

public final class AlertCategory extends CategoryBase

Nel tipo AlertCategory sono esposti i membri seguenti.

Costruttori

	Nome	Descrizione
	AlertCategory()	Initializes a new instance of the AlertCategory class.
	AlertCategory(JobServer, String)	Initializes a new instance of the AlertCategory class on the specified instance of the SQL Server Agent and with the specified name.

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Proprietà

	Nome	Descrizione
	ID	Gets the ID value that uniquely identifies the alert category.
	Name	Gets or sets the name of the object. Ereditato da NamedSmoObject.
	Parent	Gets the JobServer object that is the parent of the AlertCategory object.
	Properties	Gets a collection of Property objects that represent the object properties. Ereditato da SqlSmoObject.
	State	Gets the state of the referenced object. Ereditato da SmoObjectBase.
	Urn	Gets the Uniform Resource Name (URN) address value that uniquely identifies the object. Ereditato da SqlSmoObject.
	UserData	Gets or sets user-defined data associated with the referenced object. Ereditato da SmoObjectBase.

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Metodi

	Nome	Descrizione
	Create	Creates the job category, the operator category, or the alert category based on the JobCategory object, the OperatorCategory object, or the AlertCategory object respectively. Ereditato da CategoryBase.
	Discover	Discovers a list of type Object. Ereditato da SqlSmoObject.
	Drop	Removes an existing job category, operator category, or alert category. Ereditato da CategoryBase.
	Equals	Ereditato da Object.
	FormatSqlVariant	Formats an object as SqlVariant type. Ereditato da SqlSmoObject.
	GetContextDB	Gets the context database that is associated with this object. Ereditato da SqlSmoObject.
	GetDBName	Gets the database name that is associated with the object. Ereditato da AgentObjectBase.
	GetHashCode	Ereditato da Object.
	GetPropValue	Gets a property value of the SqlSmoObject object. Ereditato da SqlSmoObject.
	GetPropValueOptional	Gets a property value of the SqlSmoObject object. Ereditato da SqlSmoObject.
	GetPropValueOptionalAllowNull	Gets a property value of the SqlSmoObject object. Ereditato da SqlSmoObject.
	GetServerObject	Gets the server of the SqlSmoObject object. Ereditato da SqlSmoObject.
	GetType	Ereditato da Object.
	Initialize()	Initializes the object and forces the properties be loaded. Ereditato da SqlSmoObject.
	Initialize(Boolean)	Initializes the object and forces the properties be loaded. Ereditato da SqlSmoObject.
	IsObjectInitialized	Verifies whether the object has been initialized. Ereditato da SqlSmoObject.
	IsObjectInSpace	Verifies whether the object is isolated or connected to the instance of SQL Server. Ereditato da SqlSmoObject.
	Refresh	Refreshes the object and retrieves properties when the object is next accessed. Ereditato da SqlSmoObject.
	Rename	Renames the job category, the operator category, or the alert category. Ereditato da CategoryBase.
	Script()	Generates a Transact-SQL script that can be used to re-create the job category, the operator category, or the alert category. Ereditato da CategoryBase.
	Script(ScriptingOptions)	Generates a Transact-SQL script that can be used to re-create the job category, the operator category, or the alert category as specified by the scripting options. Ereditato da CategoryBase.
	SetParentImpl	Sets the parent of the SqlSmoObject to the newParent parameter. Ereditato da SqlSmoObject.
	ToString	Returns a String that represents the referenced object. Ereditato da SqlSmoObject.
	Validate	Validates the state of an object. Ereditato da SmoObjectBase.

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Eventi

	Nome	Descrizione
	PropertyChanged	Represents the event that occurs when a property is changed. Ereditato da SqlSmoObject.
	PropertyMetadataChanged	Represents the event that occurs when property metadata changes. Ereditato da SqlSmoObject.

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Implementazioni esplicite dell'interfaccia

	Nome	Descrizione
	IAlienObject.Discover	Discovers any dependencies. Non fare riferimento direttamente a questo membro nel codice. Supporta l'infrastruttura di SQL Server. Ereditato da SqlSmoObject.
	IAlienObject.GetDomainRoot	Returns the root of the domain. Ereditato da SqlSmoObject.
	IAlienObject.GetParent	Gets the parent of this object. Non fare riferimento direttamente a questo membro nel codice. Supporta l'infrastruttura di SQL Server. Ereditato da SqlSmoObject.
	IAlienObject.GetPropertyType	Gets the type of the specified property. Ereditato da SqlSmoObject.
	IAlienObject.GetPropertyValue	Gets the value of the specified property. Ereditato da SqlSmoObject.
	IAlienObject.GetUrn	Gets the Unified Resource Name (URN) of the object. Non fare riferimento direttamente a questo membro nel codice. Supporta l'infrastruttura di SQL Server. Ereditato da SqlSmoObject.
	IAlienObject.Resolve	Gets the instance that contains the information about the object from the Unified Resource Name (URN) of the object. Ereditato da SqlSmoObject.
	IAlienObject.SetObjectState	Sets the object state to the specified SfcObjectState value. Ereditato da SqlSmoObject.
	IAlienObject.SetPropertyValue	Sets the property value. Ereditato da SqlSmoObject.
	ISfcPropertyProvider.GetPropertySet	Gets the interface reference to the set of properties of this object. Ereditato da SqlSmoObject.

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Osservazioni

SQL Server Agent categories provide optional attributes that are used to distinguish groups of alerts.

With the AlertCategory object, you can:

• Create groupings for alerts.

The category name must be unique.

To get AlertCategory object properties, users must be a member of SQLAgentUserRole database role on the MSDB database or be a member of the sysadmin fixed server role.

To set AlertCategory object properties, users must be a member of the sysadmin fixed server role.

To create or drop an alert category, users must be a member of the sysadmin fixed server role.

Thread Safety

Tutti i membri statici pubblici (Shared in Microsoft Visual Basic) di questo tipo sono sicuri per le operazioni a thread multipli. Non è invece garantita la sicurezza dei membri dell'istanza.

Esempi

Chiamata di metodi

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.Smo.Agent

Altre risorse

Automatizzazione delle attività amministrative (SQL Server Agent)

sp_add_category (Transact-SQL)