Cara: Mengontrol Instancing Layanan
Mengatur mode instans layanan memungkinkan Anda menentukan kapan System.ServiceModel.InstanceContext (dan objek layanan terkait yang ditentukan pengguna) dibuat. Lihat enumerasi InstanceContextMode untuk mode yang mungkin. Untuk informasi selengkapnya tentang perilaku, lihat Mengonfigurasi dan Memperluas Runtime Bahasa Umum dengan Perilaku. Untuk contoh kerja, lihat Perilaku.
Untuk mengontrol masa pakai instans layanan menggunakan kode
Terapkan ke ServiceBehaviorAttribute dari kelas layanan.
Atur properti InstanceContextMode ke salah satu nilai berikut: PerCall, PerSession, atau Single.
[ServiceBehaviorAttribute(InstanceContextMode = InstanceContextMode.PerCall)]
<ServiceBehaviorAttribute(InstanceContextMode:=InstanceContextMode.PerCall)> _ Public Class CalculatorService
Contoh
Contoh kode berikut mengatur properti InstanceContextMode dari atribut ServiceBehaviorAttribute ke PerCall.
// Define a service contract.
[ServiceContract(Namespace = "http://Microsoft.ServiceModel.Samples")]
public interface ICalculator
{
[OperationContract]
double Add(double n1, double n2);
[OperationContract]
double Subtract(double n1, double n2);
[OperationContract]
double Multiply(double n1, double n2);
[OperationContract]
double Divide(double n1, double n2);
}
// Service class which implements the service contract.
[ServiceBehaviorAttribute(InstanceContextMode = InstanceContextMode.PerCall)]
public class CalculatorService : ICalculator
{
public double Add(double n1, double n2)
{
return n1 + n2;
}
public double Subtract(double n1, double n2)
{
return n1 - n2;
}
public double Multiply(double n1, double n2)
{
return n1 * n2;
}
public double Divide(double n1, double n2)
{
return n1 / n2;
}
}
' Define a service contract.
<ServiceContract([Namespace]:="http://Microsoft.ServiceModel.Samples")> _
Public Interface ICalculator
<OperationContract()> _
Function Add(ByVal n1 As Double, ByVal n2 As Double) As Double
<OperationContract()> _
Function Subtract(ByVal n1 As Double, ByVal n2 As Double) As Double
<OperationContract()> _
Function Multiply(ByVal n1 As Double, ByVal n2 As Double) As Double
<OperationContract()> _
Function Divide(ByVal n1 As Double, ByVal n2 As Double) As Double
End Interface
' Service class which implements the service contract.
<ServiceBehaviorAttribute(InstanceContextMode:=InstanceContextMode.PerCall)> _
Public Class CalculatorService
Implements ICalculator
Public Function Add(ByVal n1 As Double, ByVal n2 As Double) As Double _
Implements ICalculator.Add
Return n1 + n2
End Function
Public Function Subtract(ByVal n1 As Double, ByVal n2 As Double) As Double _
Implements ICalculator.Subtract
Return n1 - n2
End Function
Public Function Multiply(ByVal n1 As Double, ByVal n2 As Double) As Double _
Implements ICalculator.Multiply
Return n1 * n2
End Function
Public Function Divide(ByVal n1 As Double, ByVal n2 As Double) As Double _
Implements ICalculator.Divide
Return n1 / n2
End Function
End Class