OperationFlow Enum

Reference

Definition

Namespace:: System.Web.Services.Description

Assembly:: System.Web.Services.dll

Assembly:: System.Web.Services.Description.dll

Package:: System.Web.Services.Description v8.0.0

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Specifies the type of transmission an endpoint of the XML Web service can support.

public enum class OperationFlow

public enum OperationFlow

type OperationFlow =

Public Enum OperationFlow

Inheritance: Object

ValueType

Enum
OperationFlow

Fields

Name	Value	Description
None	0	Indicates that the endpoint of the XML Web service receives no transmissions.
OneWay	1	Indicates that the endpoint of the XML Web service receives a message.
Notification	2	Indicates that the endpoint of the XML Web service sends a message.
RequestResponse	3	Indicates that the endpoint of the XML Web service receives a message, then sends a correlated message.
SolicitResponse	4	Indicates that the endpoint of the XML Web service sends a message, then receives a correlated message.

Examples

The following sample demonstrates the use of the OperationFlow enumeration.

#using <System.dll>
#using <System.Web.Services.dll>
#using <System.Xml.dll>

using namespace System;
using namespace System::Xml;
using namespace System::Web::Services;
using namespace System::Web::Services::Description;

void DisplayOperationFlowDescription( OperationFlow myOperationFlow )
{
   switch ( myOperationFlow )
   {
      case OperationFlow::None:
         Console::WriteLine( "Indicates that the endpoint or service "
         "receives no transmissions (None)." );
         break;

      case OperationFlow::OneWay:
         Console::WriteLine( "Indicates that the endpoint or service "
         "receives a message (OneWay)." );
         break;

      case OperationFlow::Notification:
         Console::WriteLine( "Indicates that the endpoint or service "
         "sends a message (Notification)." );
         break;

      case OperationFlow::SolicitResponse:
         Console::WriteLine( "Indicates that the endpoint or service "
         "sends a message, then receives a "
         "correlated message (SolicitResponse)." );
         break;

      case OperationFlow::RequestResponse:
         Console::WriteLine( "Indicates that the endpoint or service "
         "receives a message, then sends a "
         "correlated message (RequestResponse)." );
         break;
   }
}

int main()
{
   try
   {
      ServiceDescription^ myDescription = ServiceDescription::Read( "MathService_Input_cs.wsdl" );
      PortTypeCollection^ myPortTypeCollection = myDescription->PortTypes;

      // Get the OperationCollection for SOAP protocol.
      OperationCollection^ myOperationCollection = myPortTypeCollection[ 0 ]->Operations;

      // Get the OperationMessageCollection for the Add operation.
      OperationMessageCollection^ myOperationMessageCollection = myOperationCollection[ 0 ]->Messages;

      // Indicate that the endpoint or service receives no
      // transmissions (None).
      Console::WriteLine( "myOperationMessageCollection does not "
      "contain any operation messages." );
      DisplayOperationFlowDescription( myOperationMessageCollection->Flow );
      Console::WriteLine();

      // Indicate that the endpoint or service receives a message (OneWay).
      OperationMessage^ myInputOperationMessage = dynamic_cast<OperationMessage^>(gcnew OperationInput);
      XmlQualifiedName^ myXmlQualifiedName = gcnew XmlQualifiedName( "AddSoapIn",myDescription->TargetNamespace );
      myInputOperationMessage->Message = myXmlQualifiedName;
      myOperationMessageCollection->Add( myInputOperationMessage );
      Console::WriteLine( "myOperationMessageCollection contains "
      "only input operation messages." );
      DisplayOperationFlowDescription( myOperationMessageCollection->Flow );
      Console::WriteLine();
      myOperationMessageCollection->Remove( myInputOperationMessage );

      // Indicate that an endpoint or service sends a message (Notification).
      OperationMessage^ myOutputOperationMessage = dynamic_cast<OperationMessage^>(gcnew OperationOutput);
      XmlQualifiedName^ myXmlQualifiedName1 = gcnew XmlQualifiedName( "AddSoapOut",myDescription->TargetNamespace );
      myOutputOperationMessage->Message = myXmlQualifiedName1;
      myOperationMessageCollection->Add( myOutputOperationMessage );
      Console::WriteLine( "myOperationMessageCollection contains "
      "only output operation messages." );
      DisplayOperationFlowDescription( myOperationMessageCollection->Flow );
      Console::WriteLine();

      // Indicate that an endpoint or service sends a message, then
      // receives a correlated message (SolicitResponse).
      myOperationMessageCollection->Add( myInputOperationMessage );
      Console::WriteLine( "'myOperationMessageCollection' contains "
      "an output operation message first, then "
      "an input operation message." );
      DisplayOperationFlowDescription( myOperationMessageCollection->Flow );
      Console::WriteLine();

      // Indicate that an endpoint or service receives a message,
      // then sends a correlated message (RequestResponse).
      myOperationMessageCollection->Remove( myInputOperationMessage );
      myOperationMessageCollection->Insert( 0, myInputOperationMessage );
      Console::WriteLine( "myOperationMessageCollection contains "
      "an input operation message first, then "
      "an output operation message." );
      DisplayOperationFlowDescription( myOperationMessageCollection->Flow );
      Console::WriteLine();
      myDescription->Write( "MathService_new_cs.wsdl" );
      Console::WriteLine( "The file MathService_new_cs.wsdl was successfully written." );
   }
   catch ( Exception^ e ) 
   {
      Console::WriteLine( "Exception caught!!!" );
      Console::WriteLine( "Source : {0}", e->Source );
      Console::WriteLine( "Message : {0}", e->Message );
   }
}

using System;
using System.Xml;
using System.Web.Services;
using System.Web.Services.Description;

class MyOperationFlowSample
{
   public static void Main()
   {
      try
      {
         ServiceDescription myDescription =
            ServiceDescription.Read("MathService_Input_cs.wsdl");
         PortTypeCollection  myPortTypeCollection  =
            myDescription.PortTypes;

         // Get the OperationCollection for SOAP protocol.
         OperationCollection myOperationCollection =
            myPortTypeCollection[0].Operations;

         // Get the OperationMessageCollection for the Add operation.
         OperationMessageCollection myOperationMessageCollection =
            myOperationCollection[0].Messages;

         // Indicate that the endpoint or service receives no
         // transmissions (None).
         Console.WriteLine("myOperationMessageCollection does not " +
            "contain any operation messages.");
         DisplayOperationFlowDescription(myOperationMessageCollection.Flow);
         Console.WriteLine();

         // Indicate that the endpoint or service receives a message (OneWay).
         OperationMessage myInputOperationMessage =
            (OperationMessage) new OperationInput();
         XmlQualifiedName myXmlQualifiedName =
            new XmlQualifiedName("AddSoapIn", myDescription.TargetNamespace);
         myInputOperationMessage.Message = myXmlQualifiedName;
         myOperationMessageCollection.Add(myInputOperationMessage);
         Console.WriteLine("myOperationMessageCollection contains " +
            "only input operation messages.");
         DisplayOperationFlowDescription(myOperationMessageCollection.Flow);
         Console.WriteLine();

         myOperationMessageCollection.Remove(myInputOperationMessage);

         // Indicate that an endpoint or service sends a message (Notification).
         OperationMessage myOutputOperationMessage =
            (OperationMessage) new OperationOutput();
         XmlQualifiedName myXmlQualifiedName1 = new XmlQualifiedName
            ("AddSoapOut", myDescription.TargetNamespace);
         myOutputOperationMessage.Message = myXmlQualifiedName1;
         myOperationMessageCollection.Add(myOutputOperationMessage);
         Console.WriteLine("myOperationMessageCollection contains " +
            "only output operation messages.");
         DisplayOperationFlowDescription(myOperationMessageCollection.Flow);
         Console.WriteLine();

         // Indicate that an endpoint or service sends a message, then
         // receives a correlated message (SolicitResponse).
         myOperationMessageCollection.Add(myInputOperationMessage);
         Console.WriteLine("'myOperationMessageCollection' contains " +
            "an output operation message first, then " +
            "an input operation message.");
         DisplayOperationFlowDescription(myOperationMessageCollection.Flow);
         Console.WriteLine();

         // Indicate that an endpoint or service receives a message,
         // then sends a correlated message (RequestResponse).
         myOperationMessageCollection.Remove(myInputOperationMessage);
         myOperationMessageCollection.Insert(0, myInputOperationMessage);
         Console.WriteLine("myOperationMessageCollection contains " +
            "an input operation message first, then " +
            "an output operation message.");
         DisplayOperationFlowDescription(myOperationMessageCollection.Flow);
         Console.WriteLine();

         myDescription.Write("MathService_new_cs.wsdl");
         Console.WriteLine(
            "The file MathService_new_cs.wsdl was successfully written.");
      }
      catch(Exception e)
      {
         Console.WriteLine("Exception caught!!!");
         Console.WriteLine("Source : " + e.Source);
         Console.WriteLine("Message : " + e.Message);
      }
   }

   public static void DisplayOperationFlowDescription(
      OperationFlow myOperationFlow)
   {
      switch(myOperationFlow)
      {
         case OperationFlow.None:
            Console.WriteLine("Indicates that the endpoint or service " +
               "receives no transmissions (None).");
            break;
         case OperationFlow.OneWay:
            Console.WriteLine("Indicates that the endpoint or service " +
               "receives a message (OneWay).");
            break;
         case OperationFlow.Notification:
            Console.WriteLine("Indicates that the endpoint or service " +
               "sends a message (Notification).");
            break;
         case OperationFlow.SolicitResponse:
            Console.WriteLine("Indicates that the endpoint or service " +
               "sends a message, then receives a " +
               "correlated message (SolicitResponse).");
            break;
         case OperationFlow.RequestResponse:
            Console.WriteLine("Indicates that the endpoint or service " +
               "receives a message, then sends a " +
               "correlated message (RequestResponse).");
            break;
      }
   }
}

Imports System.Xml
Imports System.Web.Services
Imports System.Web.Services.Description


Class MyOperationFlowSample
   
   Public Shared Sub Main()
      Try
         Dim myDescription As ServiceDescription = _
            ServiceDescription.Read("MathService_Input_vb.wsdl")
         Dim myPortTypeCollection As PortTypeCollection = _
            myDescription.PortTypes

         ' Get the OperationCollection for SOAP protocol.
         Dim myOperationCollection As OperationCollection = _
            myPortTypeCollection(0).Operations
         ' Get the OperationMessageCollection for the Add operation.
         Dim myOperationMessageCollection As OperationMessageCollection = _
            myOperationCollection(0).Messages

         ' Indicate that the endpoint or service receives no 
         ' transmissions (None).
         Console.WriteLine("myOperationMessageCollection does not " & _
            "contain any operation messages.")
         DisplayOperationFlowDescription(myOperationMessageCollection.Flow)
         Console.WriteLine()
         
         ' Indicate that the endpoint or service receives a message (OneWay).
         Dim myInputOperationMessage As OperationMessage = _
            CType(New OperationInput(), OperationMessage)
         Dim myXmlQualifiedName As New XmlQualifiedName("AddSoapIn", _
            myDescription.TargetNamespace)
         myInputOperationMessage.Message = myXmlQualifiedName
         myOperationMessageCollection.Add(myInputOperationMessage)
         Console.WriteLine("myOperationMessageCollection contains " & _
            "only input operation messages.")
         DisplayOperationFlowDescription(myOperationMessageCollection.Flow)
         Console.WriteLine()
         
         myOperationMessageCollection.Remove(myInputOperationMessage)
         
         ' Indicate that an endpoint or service sends a message (Notification).
         Dim myOutputOperationMessage As OperationMessage = _
            CType(New OperationOutput(), OperationMessage)
         Dim myXmlQualifiedName1 As New XmlQualifiedName("AddSoapOut", _
            myDescription.TargetNamespace)
         myOutputOperationMessage.Message = myXmlQualifiedName1
         myOperationMessageCollection.Add(myOutputOperationMessage)
         Console.WriteLine("myOperationMessageCollection contains only " & _
            "output operation messages.")
         DisplayOperationFlowDescription(myOperationMessageCollection.Flow)
         Console.WriteLine()
         
         ' Indicate that an endpoint or service sends a message, then
         ' receives a correlated message (SolicitResponse).
         myOperationMessageCollection.Add(myInputOperationMessage)
         Console.WriteLine("myOperationMessageCollection contains " & _
            "an output operation message first, then " & _
            "an input operation message.")
         DisplayOperationFlowDescription(myOperationMessageCollection.Flow)
         Console.WriteLine()
         
         ' Indicate that an endpoint or service receives a message,
         ' then sends a correlated message (RequestResponse).
         myOperationMessageCollection.Remove(myInputOperationMessage)
         myOperationMessageCollection.Insert(0, myInputOperationMessage)
         Console.WriteLine("myOperationMessageCollection contains " & _
            "an input operation message first, then " & _
            "an output operation message.")
         DisplayOperationFlowDescription(myOperationMessageCollection.Flow)
         Console.WriteLine()
         
         myDescription.Write("MathService_new_vb.wsdl")
         Console.WriteLine( _
            "The file MathService_new_vb.wsdl was successfully written.")
      Catch e As Exception
         Console.WriteLine("Exception caught!!!")
         Console.WriteLine("Source : " & e.Source.ToString())
         Console.WriteLine("Message : " & e.Message.ToString())
      End Try
   End Sub
   Public Shared Sub DisplayOperationFlowDescription(myOperationFlow As OperationFlow)
      Select Case myOperationFlow
         Case OperationFlow.None
            Console.WriteLine("Indicates that the endpoint or service " & _
               "receives no transmissions (None).")
         Case OperationFlow.OneWay
            Console.WriteLine("Indicates that the endpoint or service " & _
               "receives a message (OneWay).")
         Case OperationFlow.Notification
            Console.WriteLine("Indicates that the endpoint or service " & _
               "sends a message (Notification).")
         Case OperationFlow.SolicitResponse
            Console.WriteLine("Indicates that the endpoint or service " & _
               "sends a message, then receives a correlated message " & _
               "(SolicitResponse).")
          Case OperationFlow.RequestResponse
            Console.WriteLine("Indicates that the endpoint or service " & _
               "receives a message, then sends a correlated message " & _
               "(RequestResponse).")
      End Select
   End Sub
End Class

Remarks

Although request-response or solicit-response operations are logically correlated in the Web Services Description Language (WSDL) document, the concrete correlation information will be specified by a binding. For example, the request and response messages can be exchanged as part of one or two actual HTTP transmissions.

Applies to

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