Classe JobStep

Articolo
04/26/2013

The JobStep class represents a Microsoft SQL Server job step.

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.JobStep

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

Sintassi

'Dichiarazione
<SfcElementTypeAttribute("Step")> _
Public NotInheritable Class JobStep _
    Inherits AgentObjectBase _
    Implements IAlterable, ICreatable, IDroppable, IRenamable,  _
    IScriptable
'Utilizzo
Dim instance As JobStep

[SfcElementTypeAttribute("Step")]
public sealed class JobStep : AgentObjectBase, 
    IAlterable, ICreatable, IDroppable, IRenamable, IScriptable

[SfcElementTypeAttribute(L"Step")]
public ref class JobStep sealed : public AgentObjectBase, 
    IAlterable, ICreatable, IDroppable, IRenamable, IScriptable

[<SealedAttribute>]
[<SfcElementTypeAttribute("Step")>]
type JobStep =  
    class 
        inherit AgentObjectBase 
        interface IAlterable 
        interface ICreatable 
        interface IDroppable 
        interface IRenamable 
        interface IScriptable 
    end

public final class JobStep extends AgentObjectBase implements IAlterable, ICreatable, IDroppable, IRenamable, IScriptable

Nel tipo JobStep sono esposti i membri seguenti.

Costruttori

	Nome	Descrizione
	JobStep()	Initializes a new instance of the JobStep class.
	JobStep(Job, String)	Initializes a new instance of the JobStep class for the specified job and with the specified name.

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Proprietà

	Nome	Descrizione
	Command	Gets or sets the command execution string for the job step.
	CommandExecutionSuccessCode	Gets or sets the process exit code from a command shell process executed as a job step.
	DatabaseName	Gets or sets the name of the database to which the job step command execution is confined.
	DatabaseUserName	Gets or sets the database user account that the job step assumes when executing the command string.
	ID	Gets or sets the ID value that uniquely identifies the job step.
	JobStepFlags	The JobStepFlags property is reserved for future use.
	LastRunDate	Gets the date and time when the job step was last executed.
	LastRunDuration	Gets the time that the referenced job step took to run when it was last executed.
	LastRunOutcome	Gets the outcome of the job step when it was last executed.
	LastRunRetries	Gets the number of retries that were attempted when the job step was last executed.
	Name	Gets or sets the name of the object. Ereditato da NamedSmoObject.
	OnFailAction	Gets or sets the action to take when the job step finishes execution with failure.
	OnFailStep	Gets or sets the job step that is executed after the referenced job step finishes execution with a completion status of failure.
	OnSuccessAction	Gets or sets the action to take when the job step finishes execution with success.
	OnSuccessStep	Gets or sets the job step that is executed after the referenced job step finishes execution with a completion status of success.
	OSRunPriority	Gets or sets the execution thread scheduling for job steps executing operating system tasks.
	OutputFileName	Gets or sets the name and path of the operating system file that records job step result message text.
	Parent	Gets or sets the Job object that is the parent of the JobStep object.
	Properties	Gets a collection of Property objects that represent the object properties. Ereditato da SqlSmoObject.
	ProxyName	Gets or sets the name of the Microsoft SQL Server Agent proxy account that is required by the job step.
	RetryAttempts	Gets or sets the maximum number of times a job step is retried before it is returned with a completion status of failure.
	RetryInterval	Gets or sets the number of minutes that Microsoft SQL Server Agent waits before trying to execute a job step that has previously failed.
	Server	Gets or sets the name of the server on which the job step runs.
	State	Gets the state of the referenced object. Ereditato da SmoObjectBase.
	SubSystem	Gets or sets the Microsoft SQL Server Agent execution subsystem used to interpret job step command text.
	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
	Alter	Updates any JobStep object property changes on instance of Microsoft SQL Server.
	Create	Creates a job step on the instance of Microsoft SQL Server as defined by the JobStep object.
	DeleteLogs(DateTime)	Deletes job step log files that are older than the specified date.
	DeleteLogs(Int32)	Deletes job step log files that have log numbers lower than the specified value.
	Discover	Discovers a list of type Object. Ereditato da SqlSmoObject.
	Drop	Removes the referenced job step.
	EnumLogs	Returns an enumerated list of the job step log files.
	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 step.
	Script()	Generates a Transact-SQL script that can be used to re-create the Microsoft SQL Server Agent job step.
	Script(ScriptingOptions)	Generates a Transact-SQL script that can be used to re-create the Microsoft SQL Server Agent job step as specified by the scripting options.
	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 jobs contain one or more execution units called steps. Each job step contains a textual command, type of execution that specifies command interpretation, and logic that determines the behavior of the job if the step succeeds or fails. For example, a job step can contain:

The command text. For example:

DBCC CHECKDB ('Northwind') WITH NO_INFOMSGS

A job step execution type: Transact-SQL for example.
An indication that the job should stop if the step fails.

With the JobStep object, you can do the following:

Create a SQL Server Agent job step.
Remove a job step from a SQL Server Agent job.
Manage existing job steps by changing, for example, the command text or the actions taken on success or failure of the step.
Obtain details about the last attempted execution of the step.

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

To create a job step, users must be a member of SQLAgentUserRole database role on the MSDB database or be a member of the sysadmin fixed server role. The user must also have permission on any proxy accounts used by the job step.

To drop a job step, users must be a member of SQLAgentUserRole database role on the MSDB database, be the owner of the job step, or 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.