本文整理汇总了C#中System.ServiceModel.Activities.WorkflowHostingEndpoint类的典型用法代码示例。如果您正苦于以下问题:C# WorkflowHostingEndpoint类的具体用法?C# WorkflowHostingEndpoint怎么用?C# WorkflowHostingEndpoint使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
WorkflowHostingEndpoint类属于System.ServiceModel.Activities命名空间,在下文中一共展示了WorkflowHostingEndpoint类的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: CreationEndpoint
//引入命名空间
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Globalization;
using System.ServiceModel;
using System.ServiceModel.Activities;
using System.ServiceModel.Channels;
namespace Microsoft.Samples.WF.CreationEndpoint
{
public class CreationEndpoint : WorkflowHostingEndpoint
{
static Uri defaultBaseUri;
public CreationEndpoint(Binding binding, EndpointAddress address)
: base(typeof(IWorkflowCreation), binding, address)
{
}
public CreationEndpoint():this (GetDefaultBinding(),
new EndpointAddress(new Uri(DefaultBaseUri, new Uri(Guid.NewGuid().ToString(), UriKind.Relative))))
{
}
static Uri DefaultBaseUri
{
get
{
if (defaultBaseUri == null)
{
defaultBaseUri = new Uri(string.Format(CultureInfo.InvariantCulture, "net.pipe://localhost/workflowCreationEndpoint/{0}/{1}",
Process.GetCurrentProcess().Id,
AppDomain.CurrentDomain.Id));
}
return defaultBaseUri;
}
}
//defaults to NetNamedPipeBinding
public static Binding GetDefaultBinding()
{
return new NetNamedPipeBinding(NetNamedPipeSecurityMode.None) { TransactionFlow = true };
}
protected override Guid OnGetInstanceId(object[] inputs, OperationContext operationContext)
{
//Create was called by client
if (operationContext.IncomingMessageHeaders.Action.EndsWith("Create"))
{
return Guid.Empty;
}
//CreateWithInstanceId was called by client
else if (operationContext.IncomingMessageHeaders.Action.EndsWith("CreateWithInstanceId"))
{
return (Guid)inputs[1];
}
else
{
throw new InvalidOperationException("Invalid Action: " + operationContext.IncomingMessageHeaders.Action);
}
}
protected override WorkflowCreationContext OnGetCreationContext(object[] inputs, OperationContext operationContext, Guid instanceId, WorkflowHostingResponseContext responseContext)
{
WorkflowCreationContext creationContext = new WorkflowCreationContext();
if (operationContext.IncomingMessageHeaders.Action.EndsWith("Create"))
{
Dictionary<string, object> arguments = (Dictionary<string, object>)inputs[0];
if (arguments != null && arguments.Count > 0)
{
foreach (KeyValuePair<string, object> pair in arguments)
{
//arguments to pass to the workflow
creationContext.WorkflowArguments.Add(pair.Key, pair.Value);
}
}
//reply to client with instanceId
responseContext.SendResponse(instanceId, null);
}
else if (operationContext.IncomingMessageHeaders.Action.EndsWith("CreateWithInstanceId"))
{
Dictionary<string, object> arguments = (Dictionary<string, object>)inputs[0];
if (arguments != null && arguments.Count > 0)
{
foreach (KeyValuePair<string, object> pair in arguments)
{
//arguments to pass to workflow
creationContext.WorkflowArguments.Add(pair.Key, pair.Value);
}
}
}
else
{
throw new InvalidOperationException("Invalid Action: " + operationContext.IncomingMessageHeaders.Action);
}
return creationContext;
}
}
//service contract exposed from the endpoint
[ServiceContract(Name = "IWorkflowCreation")]
public interface IWorkflowCreation
{
[OperationContract(Name = "Create")]
Guid Create(IDictionary<string, object> inputs);
[OperationContract(Name = "CreateWithInstanceId", IsOneWay=true)]
void CreateWithInstanceId(IDictionary<string, object> inputs, Guid instanceId);
}
}