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//----------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//----------------------------------------------------------------
namespace System.ServiceModel.Activities.Configuration
{
using System;
using System.ServiceModel.Activities;
using System.ServiceModel.Description;
using System.Diagnostics.CodeAnalysis;
using System.Runtime;
using System.Configuration;
using System.ServiceModel.Channels;
using System.ServiceModel.Configuration;
public class WorkflowControlEndpointElement : StandardEndpointElement
{
ConfigurationPropertyCollection properties;
bool shouldLetConfigLoaderOverwriteAddress;
protected internal override Type EndpointType
{
get { return typeof(WorkflowControlEndpoint); }
}
[SuppressMessage(FxCop.Category.Configuration, FxCop.Rule.ConfigurationValidatorAttributeRule,
Justification = "Value will be validated when converted into a Uri.")]
[ConfigurationProperty(System.ServiceModel.Configuration.ConfigurationStrings.Address, DefaultValue = "")]
public Uri Address
{
get { return (Uri)base[System.ServiceModel.Configuration.ConfigurationStrings.Address]; }
set { base[System.ServiceModel.Configuration.ConfigurationStrings.Address] = value; }
}
[ConfigurationProperty(System.ServiceModel.Configuration.ConfigurationStrings.Binding, DefaultValue = "")]
[StringValidator(MinLength = 0)]
public string Binding
{
get { return (string)base[System.ServiceModel.Configuration.ConfigurationStrings.Binding]; }
set
{
if (string.IsNullOrEmpty(value))
{
value = string.Empty;
}
base[System.ServiceModel.Configuration.ConfigurationStrings.Binding] = value;
}
}
[ConfigurationProperty(System.ServiceModel.Configuration.ConfigurationStrings.BindingConfiguration, DefaultValue = "")]
[StringValidator(MinLength = 0)]
public string BindingConfiguration
{
get { return (string)base[System.ServiceModel.Configuration.ConfigurationStrings.BindingConfiguration]; }
set
{
if (string.IsNullOrEmpty(value))
{
value = string.Empty;
}
base[System.ServiceModel.Configuration.ConfigurationStrings.BindingConfiguration] = value;
}
}
protected override ConfigurationPropertyCollection Properties
{
get
{
if (this.properties == null)
{
ConfigurationPropertyCollection properties = base.Properties;
properties.Add(
new ConfigurationProperty(
System.ServiceModel.Configuration.ConfigurationStrings.Binding,
typeof(string),
string.Empty,
null,
new StringValidator(0, 2147483647, null),
ConfigurationPropertyOptions.None));
properties.Add(
new ConfigurationProperty(
System.ServiceModel.Configuration.ConfigurationStrings.BindingConfiguration,
typeof(string),
string.Empty,
null,
new StringValidator(0, 2147483647, null),
ConfigurationPropertyOptions.None));
properties.Add(
new ConfigurationProperty(
System.ServiceModel.Configuration.ConfigurationStrings.Address,
typeof(Uri),
string.Empty,
null,
null,
ConfigurationPropertyOptions.None));
this.properties = properties;
}
return this.properties;
}
}
protected internal override ServiceEndpoint CreateServiceEndpoint(ContractDescription contractDescription)
{
WorkflowControlEndpoint result = new WorkflowControlEndpoint();
if (!string.IsNullOrEmpty(this.Binding))
{
Binding binding = ConfigLoader.LookupBinding(this.Binding, this.BindingConfiguration);
// we need to add validation here
if (binding == null)
{
throw FxTrace.Exception.AsError(new ConfigurationErrorsException(SR.FailedToLoadBindingInControlEndpoint(this.Binding, this.BindingConfiguration, this.Name)));
}
result.Binding = binding;
}
// This is only for client side
if (this.shouldLetConfigLoaderOverwriteAddress)
{
// ConfigLoader will check for null and overwrite it with the address from ChannelEndpointElement
result.Address = null;
}
return result;
}
protected override void OnApplyConfiguration(ServiceEndpoint endpoint, ChannelEndpointElement channelEndpointElement)
{
}
protected override void OnApplyConfiguration(ServiceEndpoint endpoint, ServiceEndpointElement serviceEndpointElement)
{
}
protected override void OnInitializeAndValidate(ServiceEndpointElement serviceEndpointElement)
{
// Override serviceEndpointElement.Address with this.Address when serviceEndpointElement.Address == null.
// This condition (serviceEndpointElement.Address == null) should only be true when used with the SqlWorkflowInstanceStoreBehavior.
// Setting the address here so that ConfigLoader is able to set the EndpointAddress correctly, especially when this.Address is
// a relative address and can only be made absolute using the baseAddresses configured on the serviceHost.
// Server side address inference goes by the following order:
// 1. ServiceEndpointElement.Address if it is not-null and non-default
// 2. WorkflowControlEndpointElement.Address
// 3. Host base address
if (serviceEndpointElement.Address == null ||
(!HasAddressSetByUser(serviceEndpointElement) && HasAddressSetByUser(this)))
{
serviceEndpointElement.Address = this.Address;
}
}
protected override void OnInitializeAndValidate(ChannelEndpointElement channelEndpointElement)
{
// Client side address inference goes by the following order:
// 1. ChannelEndpointElement.Address
// 2. WorkflowControlEndpointElement.Address
// 3. Default address from WorkflowControlEndpoint
if (HasAddressSetByUser(channelEndpointElement))
{
this.shouldLetConfigLoaderOverwriteAddress = true;
}
else if (HasAddressSetByUser(this))
{
channelEndpointElement.Address = this.Address;
this.shouldLetConfigLoaderOverwriteAddress = true;
}
}
bool HasAddressSetByUser(ConfigurationElement configurationElement)
{
return configurationElement.ElementInformation.Properties[System.ServiceModel.Configuration.ConfigurationStrings.Address].ValueOrigin != PropertyValueOrigin.Default;
}
}
}
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