protected override async Task ExecuteAsync(CancellationToken cancellationToken)
{
while (!cancellationToken.IsCancellationRequested)
{
var keys = _cacheServer.KeysAsync();
await foreach (var key in keys)
{
var procedure = await _distributedCache.GetEntity <CachedJob>(key.ToString());
if (procedure is null)
{
continue;
}
if (procedure.RunAt > DateTime.UtcNow)
{
continue;
}
_logger.LogInformation($"Start executing {procedure.ClassName}.{procedure.MethodName}");
try
{
var classType = Assembly.Load(procedure.AssemblyName).GetType(procedure.ClassName);
var instance = Activator.CreateInstance(classType);
var method = classType.GetMethod(procedure.MethodName);
var parameters = from param in procedure.MethodParameters
let paramType = Type.GetType(param.TypeName)
select TypeMapper(paramType, param.Value);
try
{
var procedureTask = Task.Run(() => method.Invoke(instance, parameters.ToArray()), cancellationToken);
}
catch (Exception e)
{
_logger.LogError($"Error accure when tring to invoke method: {procedure.ClassName}.{procedure.MethodName}", e);
}
await _distributedCache.RemoveAsync(key);
}
catch (MissingMethodException ex)
{
_logger.LogError($"Error accured while calling method {procedure.ClassName}.{procedure.MethodName}", ex);
}
catch (ArgumentOutOfRangeException argEx)
{
_logger.LogError($"Error accured while calling method {procedure.ClassName}.{procedure.MethodName}", argEx);
}
}
await Task.Delay(TimeSpan.FromSeconds(1), cancellationToken);
}
}