public override ExtensionProbeEntry Probe(ExtensionDescriptor descriptor)
{
if (Disabled)
return null;
Logger.Information("Probing for module '{0}'", descriptor.Id);
var assemblyPath = GetAssemblyPath(descriptor);
if (assemblyPath == null)
return null;
var result = new ExtensionProbeEntry {
Descriptor = descriptor,
Loader = this,
VirtualPath = assemblyPath,
VirtualPathDependencies = new[] { assemblyPath },
};
Logger.Information("Done probing for module '{0}'", descriptor.Id);
return result;
}
IEnumerable<DependencyReferenceDescriptor> ProcessExtensionReferences(ExtensionLoadingContext context, ExtensionProbeEntry activatedExtension)
{
if (activatedExtension == null)
return Enumerable.Empty<DependencyReferenceDescriptor>();
var referenceNames = (context.ReferencesByModule.ContainsKey(activatedExtension.Descriptor.Id) ?
context.ReferencesByModule[activatedExtension.Descriptor.Id] :
Enumerable.Empty<ExtensionReferenceProbeEntry>())
.Select(r => r.Name)
.Distinct(StringComparer.OrdinalIgnoreCase);
var referencesDecriptors = new List<DependencyReferenceDescriptor>();
foreach (var referenceName in referenceNames) {
ProcessExtensionReference(context, activatedExtension, referenceName, referencesDecriptors);
}
return referencesDecriptors;
}
private DateTime GetVirtualPathDepedenciesModificationTimeUtc(ConcurrentDictionary<string, DateTime> virtualPathDependencies, ExtensionProbeEntry probe)
{
if (!probe.VirtualPathDependencies.Any())
return DateTime.MinValue;
Logger.Information("Retrieving modification dates of dependencies of extension '{0}'", probe.Descriptor.Id);
var result = probe.VirtualPathDependencies.Max(path => GetVirtualPathModificationTimeUtc(virtualPathDependencies, path));
Logger.Information("Done retrieving modification dates of dependencies of extension '{0}'", probe.Descriptor.Id);
return result;
}
private void ProcessExtensionReference(ExtensionLoadingContext context,
ExtensionProbeEntry activatedExtension,
string referenceName,
IList<DependencyReferenceDescriptor> activatedReferences)
{
// If the reference is an extension has been processed already, use the same loader as
// that extension, since a given extension should be loaded with a unique loader for the
// whole application
var bestExtensionReference = context.ProcessedExtensions.ContainsKey(referenceName) ?
context.ProcessedExtensions[referenceName] :
null;
// Activated the extension reference
if (bestExtensionReference != null) {
activatedReferences.Add(new DependencyReferenceDescriptor {
LoaderName = bestExtensionReference.Loader.Name,
Name = referenceName,
VirtualPath = bestExtensionReference.VirtualPath
});
return;
}
// Skip references from "~/bin"
if (_buildManager.HasReferencedAssembly(referenceName))
return;
// Binary references
var references = context.ReferencesByName.ContainsKey(referenceName) ?
context.ReferencesByName[referenceName] :
Enumerable.Empty<ExtensionReferenceProbeEntry>();
var bestBinaryReference = references
.Where(entry => !string.IsNullOrEmpty(entry.VirtualPath))
.Select(entry => new { Entry = entry, LastWriteTimeUtc = _virtualPathProvider.GetFileLastWriteTimeUtc(entry.VirtualPath) })
.OrderBy(e => e.LastWriteTimeUtc)
.ThenBy(e => e.Entry.Name)
.FirstOrDefault();
// Activate the binary ref
if (bestBinaryReference != null) {
if (!context.ProcessedReferences.ContainsKey(bestBinaryReference.Entry.Name)) {
context.ProcessedReferences.Add(bestBinaryReference.Entry.Name, bestBinaryReference.Entry);
bestBinaryReference.Entry.Loader.ReferenceActivated(context, bestBinaryReference.Entry);
}
activatedReferences.Add(new DependencyReferenceDescriptor {
LoaderName = bestBinaryReference.Entry.Loader.Name,
Name = bestBinaryReference.Entry.Name,
VirtualPath = bestBinaryReference.Entry.VirtualPath
});
return;
}
}
public override ExtensionProbeEntry Probe(ExtensionDescriptor descriptor)
{
if (Disabled)
return null;
Logger.Information("Probing for module '{0}'", descriptor.Id);
string projectPath = GetProjectPath(descriptor);
if (projectPath == null)
return null;
var result = new ExtensionProbeEntry {
Descriptor = descriptor,
Loader = this,
VirtualPath = projectPath,
VirtualPathDependencies = GetDependencies(projectPath).ToList(),
};
Logger.Information("Done probing for module '{0}'", descriptor.Id);
return result;
}