private void LoadApplicationAssemblies()
{
var exeRoot = Path.GetDirectoryName(typeof(SiloAssemblyLoader).GetTypeInfo().Assembly.Location);
var appRoot = Path.Combine(exeRoot, "Applications");
var cwd = Directory.GetCurrentDirectory();
var directories = new Dictionary <string, SearchOption>
{
{ exeRoot, SearchOption.TopDirectoryOnly },
{ appRoot, SearchOption.AllDirectories }
};
if (!directories.ContainsKey(cwd))
{
directories.Add(cwd, SearchOption.TopDirectoryOnly);
}
AssemblyLoaderPathNameCriterion[] excludeCriteria =
{
AssemblyLoaderCriteria.ExcludeResourceAssemblies,
AssemblyLoaderCriteria.ExcludeSystemBinaries()
};
AssemblyLoaderReflectionCriterion[] loadCriteria =
{
AssemblyLoaderReflectionCriterion.NewCriterion(
TypeUtils.IsConcreteGrainClass,
"Assembly does not contain any acceptable grain types."),
AssemblyLoaderCriteria.LoadTypesAssignableFrom(
typeof(IProvider))
};
discoveredAssemblyLocations = AssemblyLoader.LoadAssemblies(directories, excludeCriteria, loadCriteria, logger);
}
private void LoadApplicationAssemblies()
{
var exeRoot = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
var appRoot = Path.Combine(exeRoot, "Applications");
var directories = new Dictionary <string, SearchOption>
{
{ exeRoot, SearchOption.TopDirectoryOnly },
{ appRoot, SearchOption.AllDirectories }
};
AssemblyLoaderPathNameCriterion[] excludeCriteria =
{
AssemblyLoaderCriteria.ExcludeResourceAssemblies,
AssemblyLoaderCriteria.ExcludeSystemBinaries()
};
AssemblyLoaderReflectionCriterion[] loadCriteria =
{
AssemblyLoaderReflectionCriterion.NewCriterion(
TypeUtils.IsConcreteGrainClass,
"Assembly does not contain any acceptable grain types."),
AssemblyLoaderCriteria.LoadTypesAssignableFrom(
typeof(IProvider))
};
AssemblyLoader.LoadAssemblies(directories, excludeCriteria, loadCriteria, logger);
}
public static T LoadAndCreateInstance <T>(string assemblyName, TraceLogger logger) where T : class
{
try
{
var exeRoot = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
var dirs = new Dictionary <string, SearchOption>
{
{ exeRoot, SearchOption.TopDirectoryOnly }
};
AssemblyLoaderPathNameCriterion[] includeCriteria =
{
AssemblyLoaderCriteria.IncludeFileNames(new[] { assemblyName })
};
AssemblyLoaderReflectionCriterion[] loadCriteria =
{
AssemblyLoaderCriteria.LoadTypesAssignableFrom(typeof(T))
};
var discoveredAssemblyLocations = LoadAssemblies(dirs, includeCriteria, loadCriteria, logger);
if (discoveredAssemblyLocations.Count == 0)
{
var error = String.Format("Failed to LoadAndCreateInstance for type {0} from assembly {1}. " +
"Make sure this assembly is in your current executing directory and the type is defined there.",
typeof(T).FullName, assemblyName);
throw new OrleansException(error);
}
if (discoveredAssemblyLocations.Count > 1)
{
var error = String.Format("Type {0} was found more than once in assembly {1}.", typeof(T).FullName, assemblyName);
throw new OrleansException(error);
}
var foundType = TypeUtils.GetTypes(discoveredAssemblyLocations, type => typeof(T).IsAssignableFrom(type)).First();
return((T)Activator.CreateInstance(foundType, true));
}
catch (Exception exc)
{
logger.Error(ErrorCode.Loader_LoadAndCreateInstance_Failure, exc.Message, exc);
throw;
}
}
private void LoadApplicationAssemblies()
{
AssemblyLoaderPathNameCriterion[] excludeCriteria =
{
AssemblyLoaderCriteria.ExcludeResourceAssemblies,
AssemblyLoaderCriteria.ExcludeSystemBinaries()
};
AssemblyLoaderReflectionCriterion[] loadCriteria =
{
AssemblyLoaderReflectionCriterion.NewCriterion(
TypeUtils.IsConcreteGrainClass,
"Assembly does not contain any acceptable grain types."),
AssemblyLoaderCriteria.LoadTypesAssignableFrom(
typeof(IProvider))
};
discoveredAssemblyLocations = AssemblyLoader.LoadAssemblies(directories, excludeCriteria, loadCriteria, logger);
}
