private Assembly ResolveDependentAssembly(object sender, ResolveEventArgs args)
{
MigrationsSource source;
if (!args.Name.Contains(".resource") && args.RequestingAssembly == null)
{
//Ignore resource file requests
//If we get here, an assembly that we resolved manually is now requesting another assembly
//In some caes, the RequestingAssembly will be null - but we *should* already have this assembly in memory
//So just try and retun an existing one.
return AppDomain.CurrentDomain.GetAssemblies().SingleOrDefault(a => a.FullName == args.Name);
}
if (m_Sources.TryGetValue(BuildAssemblyId(args.RequestingAssembly), out source))
{
var assemblyName = new AssemblyName(args.Name);
string targetPath = Path.Combine(
source == MigrationsSource.Deployed ? m_DeployedPath : m_TargetPath, string.Format("{0}.dll", assemblyName.Name));
assemblyName.CodeBase = targetPath;
Log.Debug(
"Assembly loader {loaderHashCode} searching for dependent assembly {assemblyName} requested by migration sourced from {MigrationsSource} at {targetPath}. Request made by assembly {requestingAssembly}.",
this.GetHashCode(), args.Name, source, targetPath, args.RequestingAssembly.CodeBase);
//We have to use LoadFile here, otherwise we won't load a differing
//version, regardless of the codebase because only LoadFile
//will actually load a *new* assembly if it's at a different path
//See: http://msdn.microsoft.com/en-us/library/b61s44e8(v=vs.110).aspx
var dependentAssembly = Assembly.LoadFile(assemblyName.CodeBase);
m_Sources.TryAdd(BuildAssemblyId(dependentAssembly), source);
Log.Debug(
"Assembly loader {loaderHashCode} found ependent assembly {assemblyName} requested by migration sourced from {MigrationsSource} at {targetPath}. Request made by assembly {requestingAssembly}.",
this.GetHashCode(), args.Name, source, targetPath, args.RequestingAssembly.CodeBase);
return dependentAssembly;
}
return null;
}
