/// <summary>
/// Thread delegate executing the jobs.
/// </summary>
private void ExecutionThread()
{
try
{
while (!_isDisposed)
{
try
{
IJob job = _jobs.Take();
job.Execute();
}
catch (ObjectDisposedException)
{
// object has been disposed
// we don't have anything to do, therefore leave lopp.
break;
}
catch (Exception ex)
{
_log.Error(@"Execution of job failed.", ex);
}
}
}
finally
{
// this finally block will always get executed.
_log.Info(@"Worker thread closed.");
}
}
/// <summary>
/// Scan the file, which may or may not be an actual assembly.
/// </summary>
private IEnumerable <Type> ScanPossibleAssembly(string fileName, Predicate <Type> targeType)
{
IEnumerable <Type> handlers = null;
try
{
AssemblyName assemblyName = AssemblyName.GetAssemblyName(fileName);
Assembly assembly = Assembly.Load(assemblyName);
handlers = ScanAssembly(assembly, targeType);
}
catch (ReflectionTypeLoadException ex)
{
// assembly could not be scanned because of missing dependencies.
_log.Error(@"Error scanning assembly.", ex);
}
catch (BadImageFormatException)
{
// file is not a .net assembly.
_log.Info(@"Skip file scanning. File is not a .NET assembly: " + fileName);
}
return(handlers ?? new Type[0]);
}