/// <summary>
/// Enables an extension object to find out when it has been aggregated.
/// Called when the extension is added to the IExtensibleObject.Extensions property.
/// </summary>
/// <param name="owner">
/// The extensible object that aggregates this extension.
/// </param>
public void Attach(ServiceHostBase owner)
{
try
{
// Setup the ServiceHost for hosting the MetadataService.
this.metadataServiceHost = new ServiceHost(typeof(MetadataService));
WebHttpBinding webHttpBinding = new WebHttpBinding();
WebHttpBehavior webHttpBehavior = new WebHttpBehavior();
webHttpBehavior.DefaultBodyStyle = WebMessageBodyStyle.Bare;
webHttpBehavior.DefaultOutgoingResponseFormat = WebMessageFormat.Xml;
ServiceEndpoint metadataEndpoint = this.metadataServiceHost.AddServiceEndpoint(typeof(IMetadataService), webHttpBinding, this.metadataServiceUri);
metadataEndpoint.Behaviors.Add(webHttpBehavior);
// Hookup the runtime properties.
MetadataServiceRuntimeProperties metadataServiceRuntimeProperties = new MetadataServiceRuntimeProperties(this.metadataServiceUri, this.rootMetadataFileLocation);
metadataServiceHost.Extensions.Add(metadataServiceRuntimeProperties);
this.metadataServiceHost.Open();
}
catch (CommunicationException)
{
this.metadataServiceHost.Abort();
}
catch (TimeoutException)
{
this.metadataServiceHost.Abort();
}
catch (Exception)
{
this.metadataServiceHost.Abort();
throw;
}
}
/// <summary>
/// This method resolves the instance of MetadataServiceRuntimeProperties class that is
/// attached to the current service host and makes it available for the other members in
/// this class during its lifetime.
/// </summary>
/// <remarks>
/// This method is invoked by the constructor.
/// </remarks>
private void ResolveMetadataServiceRuntimeProperties()
{
Debug.Assert(OperationContext.Current != null, Resources.DebugOperationContextNotInitialized);
ServiceHostBase thisHost = OperationContext.Current.Host;
this.metadataServiceRuntimeProperties = thisHost.Extensions.Find <MetadataServiceRuntimeProperties>();
Debug.Assert(this.metadataServiceRuntimeProperties != null, "");
}
