/// <summary>
/// Initializes a new instance of the <see cref="StoredCommand" /> class.
/// </summary>
/// <param name="msg">The MSG.</param>
/// <exception cref="System.ArgumentNullException">msg</exception>
public StoredCommand(DispatchCommand msg)
{
if (msg == null) throw new ArgumentNullException("msg");
Command = msg.Command;
Id = Command.CommandId;
Attempts = msg.Attempts;
}
/// <summary>
/// Initializes a new instance of the <see cref="CommandAborted" /> class.
/// </summary>
/// <param name="message">The message that was aborted.</param>
/// <param name="exception">The exception which aborted the dispatching.</param>
/// <exception cref="System.ArgumentNullException">The fields are required</exception>
public CommandAborted(DispatchCommand message, Exception exception)
{
if (message == null) throw new ArgumentNullException("message");
if (exception == null) throw new ArgumentNullException("exception");
Message = message;
Exception = exception;
}
/// <summary>
/// Initializes a new instance of the <see cref="CommandCompleted" /> class.
/// </summary>
/// <param name="message">Message for the command that was completed.</param>
/// <exception cref="System.ArgumentNullException">message</exception>
public CommandCompleted(DispatchCommand message)
{
if (message == null)
{
throw new ArgumentNullException("message");
}
Message = message;
}
/// <summary>
/// Add a new command
/// </summary>
/// <param name="command">Store the command in the DB. You can use the <see cref="ICommand.CommandId"/> as an identity.</param>
public void Add(DispatchCommand command)
{
if (command == null) throw new ArgumentNullException("command");
lock (_lock)
{
_queue.Add(new MyStruct {Command = command});
}
}
/// <summary>
/// Re add a command which we've tried to invoke but failed.
/// </summary>
/// <param name="command">Command to add</param>
public void Update(DispatchCommand command)
{
lock (_lock)
{
var first = _queue.FirstOrDefault(x => x.Command.Command.CommandId == command.Command.CommandId);
if (first != null)
first.StartedAt = DateTime.MinValue;
}
}
/// <summary>
/// Enqueue a command
/// </summary>
/// <param name="command">Get the command which was </param>
public void Add(DispatchCommand command)
{
using (var session = _documentStore.OpenSession())
{
Diagnostics(command.Command.CommandId, session, "Add");
var cmd = new StoredCommand(command);
cmd.ProcessedAt = DateTime.Now;
session.Store(cmd);
session.SaveChanges();
}
}
public void Enqueue()
{
var dispatcher = new AsyncHandler(1);
var context = new DownContext(null, null);
var state = new DispatchCommand(new FakeCommand());
dispatcher.HandleDownstream(context, state);
Assert.True(context.WaitDown(TimeSpan.FromSeconds(1)));
Assert.Same(state, context.Message);
}
/// <summary>
/// Initializes a new instance of the <see cref="CommandAborted" /> class.
/// </summary>
/// <param name="message">The message that was aborted.</param>
/// <param name="exception">The exception which aborted the dispatching.</param>
/// <exception cref="System.ArgumentNullException">The fields are required</exception>
public CommandAborted(DispatchCommand message, Exception exception)
{
if (message == null)
{
throw new ArgumentNullException("message");
}
if (exception == null)
{
throw new ArgumentNullException("exception");
}
Message = message;
Exception = exception;
}
public void DispatchTwo_SingleWorker()
{
var dispatcher = new AsyncHandler(1);
var state1 = new DispatchCommand(new FakeCommand());
var state2 = new DispatchCommand(new FakeCommand());
var context = new DownContext(null, null);
dispatcher.HandleDownstream(context, state1);
dispatcher.HandleDownstream(context, state2);
Assert.True(context.WaitDown(TimeSpan.FromSeconds(1)));
Assert.IsType<DispatchCommand>(context.Message);
}
/// <summary>
/// Re add a command which we've tried to invoke but failed.
/// </summary>
/// <param name="command">Command to add</param>
public void Update(DispatchCommand command)
{
using (var session = _documentStore.OpenSession())
{
var cmd = session.Load<StoredCommand>(command.Command.CommandId);
if (cmd == null)
throw new InvalidOperationException("Failed to find command with id: " + command.Command.CommandId);
cmd.Command = command.Command;
cmd.Attempts = command.Attempts;
cmd.ProcessedAt = null;
session.Store(command);
session.SaveChanges();
}
}
public void Dispatch()
{
var root = Substitute.For<IRootContainer>();
var child = Substitute.For<IScopedContainer>();
var handler = Substitute.For<IHandleCommand<FakeCommand>>();
root.CreateScope().Returns(child);
child.Resolve<IHandleCommand<FakeCommand>>().Returns(handler);
var context = Substitute.For<IDownstreamContext>();
var dispatcher = new IocDispatcher(root);
var msg = new DispatchCommand(new FakeCommand());
dispatcher.HandleDownstream(context, msg);
handler.Received().Invoke((FakeCommand) msg.Command);
context.DidNotReceive().SendUpstream(Arg.Any<CommandFailed>());
}
public void CommandFailed_SendUpstream()
{
var root = Substitute.For<IRootContainer>();
var child = Substitute.For<IScopedContainer>();
var handler = new BlockingHandler<FakeCommand>(x => { throw new Exception(); });
root.CreateScope().Returns(child);
child.Resolve<IHandleCommand<FakeCommand>>().Returns(handler);
var context = Substitute.For<IDownstreamContext>();
var dispatcher = new IocDispatcher(root);
var msg = new DispatchCommand(new FakeCommand());
dispatcher.HandleDownstream(context, msg);
context.Received().SendUpstream(Arg.Any<CommandFailed>());
Assert.Equal(1, msg.Attempts);
}
public void OnlyOneWorker_TriggerThroughQueue()
{
var dispatcher = new AsyncHandler(1);
var state1 = new DispatchCommand(new FakeCommand());
var state2 = new DispatchCommand(new FakeCommand());
var evt = new ManualResetEvent(false);
var context = new DownContext(x => evt.WaitOne(), null);
dispatcher.HandleDownstream(context, state1);
Assert.True(context.WaitDown(TimeSpan.FromMilliseconds(50)));
context.ResetDown();
dispatcher.HandleDownstream(context, state2);
Assert.False(context.WaitDown(TimeSpan.FromMilliseconds(50)));
evt.Set();
Assert.True(context.WaitDown(TimeSpan.FromMilliseconds(50)));
}
public void ShutDown_NoMoreDispatching()
{
var dispatcher = new AsyncHandler(2);
var command = new FakeCommand();
var state = new DispatchCommand(command);
var state2 = new DispatchCommand(new FakeCommand());
var context = new DownContext(null, null);
// dispatch first and check that it's passed by properly
dispatcher.HandleDownstream(context, state);
Assert.True(context.WaitDown(TimeSpan.FromMilliseconds(50)));
context.ResetDown();
dispatcher.Close();
dispatcher.HandleDownstream(context, state2);
Assert.False(context.WaitDown(TimeSpan.FromMilliseconds(50)));
}
public void ExceptionHandler()
{
var sync = new ManualResetEvent(false);
var expected = new Exception("Work not made");
var dispatcher = new AsyncHandler(2);
object msg = null;
var context = new DownContext(y => { throw expected; }, x =>
{
msg = x;
sync.Set();
});
var state1 = new DispatchCommand(new FakeCommand());
dispatcher.HandleDownstream(context, state1);
Assert.True(sync.WaitOne(TimeSpan.FromMilliseconds(100)));
Assert.NotNull(msg);
Assert.IsType<PipelineFailure>(msg);
Assert.Same(expected, ((PipelineFailure) msg).Exception);
}
/// <summary>
/// Enqueue a command
/// </summary>
/// <param name="command">Get the command which was </param>
public void Add(DispatchCommand command)
{
if (command == null) throw new ArgumentNullException("command");
_queue.Enqueue(command);
}
public void TwoWorkers_DispatchTwoThreads()
{
var dispatcher = new AsyncHandler(2);
var state1 = new DispatchCommand(new FakeCommand());
var state2 = new DispatchCommand(new FakeCommand());
var evt = new ManualResetEvent(false);
var context = new DownContext(null, x => evt.WaitOne());
dispatcher.HandleDownstream(context, state1);
Assert.True(context.WaitDown(TimeSpan.FromMilliseconds(100)));
context.ResetDown();
dispatcher.HandleDownstream(context, state2);
Assert.True(context.WaitDown(TimeSpan.FromMilliseconds(100)));
}
private void EnqueueCommand(DispatchCommand dispatchCmd)
{
_commands.Enqueue(dispatchCmd);
if (_closing)
return;
StartWorker();
}
/// <summary>
/// Initializes a new instance of the <see cref="CommandCompleted" /> class.
/// </summary>
/// <param name="message">Message for the command that was completed.</param>
/// <exception cref="System.ArgumentNullException">message</exception>
public CommandCompleted(DispatchCommand message)
{
if (message == null) throw new ArgumentNullException("message");
Message = message;
}
/// <summary>
/// Re add a command which we've tried to invoke but failed.
/// </summary>
/// <param name="command">Command to add</param>
public void Update(DispatchCommand command)
{
}