public void Apply(PluginContext context)
{
if (!context.Cancel)
{
OnApply(context);
}
}
protected override void OnApply(PluginContext context)
{
// convert to the discovery service metadata for future sending announcement message
var metadatas = new List<EndpointDiscoveryMetadata>();
foreach (var discoverable in context.DiscoverableServiceEndpoints)
{
var endpoint = discoverable.Endpoint;
var extensions = discoverable.Extensions;
var metadata = EndpointDiscoveryMetadata.FromServiceEndpoint(endpoint);
foreach (var extension in extensions)
{
metadata.Extensions.Add(extension);
}
metadatas.Add(metadata);
}
// start the task send the heart beat periodly
_heartbeatTask = Task.Factory.StartNew(() => HeartBeat(metadatas, context.AnnouncementEndpoint));
base.OnApply(context);
}
public void ApplyDispatchBehavior(ServiceDescription serviceDescription, ServiceHostBase serviceHostBase)
{
var disServiceEndpoints = new List<PluginContext.DiscoverableServiceEndpoint>();
// apply the service discovery behavior opertaion
_serviceDiscoveryBehavior.ApplyDispatchBehavior(serviceDescription, serviceHostBase);
// add the additional information into the endpoint metadata extension through the endpoint discovery binding for each endpoints
foreach (var endpoint in serviceDescription.Endpoints)
{
var endpointDiscoveryBehavior = new EndpointDiscoveryBehavior();
// check if the contract or endpoint should be ignored
// set the extensions
endpoint.SetExtensions(endpointDiscoveryBehavior, behavior => behavior.Extensions, _ignoredContractTypeNames, _ignoredEndpoints);
endpoint.Behaviors.Add(endpointDiscoveryBehavior);
// save the plugin context
disServiceEndpoints.Add(new PluginContext.DiscoverableServiceEndpoint(endpoint, endpointDiscoveryBehavior.Extensions));
}
// invoke the plugins
var context = new PluginContext(disServiceEndpoints, _announcementEndpoint);
foreach (var plugin in _plugins)
{
plugin.Apply(context);
}
}
protected virtual void OnApply(PluginContext context)
{
}