async Task SendUsingNewModel(IPipe <ModelContext> modelPipe, ModelScope scope, CancellationToken cancellationToken)
        {
            IPipe <ConnectionContext> connectionPipe = Pipe.ExecuteAsync <ConnectionContext>(async connectionContext =>
            {
                IModel model = await connectionContext.CreateModel().ConfigureAwait(false);

                EventHandler <ShutdownEventArgs> modelShutdown = null;
                modelShutdown = (obj, reason) =>
                {
                    model.ModelShutdown -= modelShutdown;

                    Interlocked.CompareExchange(ref _scope, null, scope);

                    scope.Close();
                };

                model.ModelShutdown += modelShutdown;

                var modelContext = new RabbitMqModelContext(connectionContext, model, connectionContext.CancellationToken);

                scope.Connected(modelContext);

                try
                {
                    using (SharedModelContext context = await scope.Attach(cancellationToken).ConfigureAwait(false))
                    {
                        await modelPipe.Send(context).ConfigureAwait(false);
                    }
                }
                catch (Exception ex)
                {
                    if (_log.IsDebugEnabled)
                    {
                        _log.Debug("The existing model usage threw an exception", ex);
                    }

                    Interlocked.CompareExchange(ref _scope, null, scope);

                    scope.Close();

                    throw;
                }
            });

            try
            {
                await _connectionCache.Send(connectionPipe, new CancellationToken()).ConfigureAwait(false);
            }
            catch (Exception exception)
            {
                if (_log.IsDebugEnabled)
                {
                    _log.Debug("The connection threw an exception", exception);
                }

                Interlocked.CompareExchange(ref _scope, null, scope);

                throw;
            }
        }
        async Task SendUsingExistingModel(IPipe <ModelContext> modelPipe, ModelScope scope, CancellationToken cancellationToken)
        {
            try
            {
                using (var context = await scope.Attach(cancellationToken).ConfigureAwait(false))
                {
//                    if (_log.IsDebugEnabled)
//                        _log.DebugFormat("Using model: {0}", ((ModelContext)context).ConnectionContext.HostSettings.ToDebugString());

                    await modelPipe.Send(context).ConfigureAwait(false);
                }
            }
            catch (Exception exception)
            {
                if (_log.IsDebugEnabled)
                {
                    _log.Debug("The model usage threw an exception", exception);
                }

                Interlocked.CompareExchange(ref _scope, null, scope);

                scope.CreateFaulted(exception);

                throw;
            }
        }
Esempio n. 3
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        static async Task SendUsingExistingModel(IPipe <ModelContext> modelPipe, ModelScope existingScope, CancellationToken cancellationToken)
        {
            try
            {
                using (SharedModelContext context = await existingScope.Attach(cancellationToken))
                {
                    await modelPipe.Send(context);
                }
            }
            catch (Exception ex)
            {
                if (_log.IsDebugEnabled)
                {
                    _log.Debug("The existing model usage threw an exception", ex);
                }

                throw;
            }
        }
        async Task SendUsingExistingModel(IPipe <ModelContext> modelPipe, ModelScope existingScope, CancellationToken cancellationToken)
        {
            try
            {
                using (SharedModelContext context = await existingScope.Attach(cancellationToken).ConfigureAwait(false))
                {
                    await modelPipe.Send(context).ConfigureAwait(false);
                }
            }
            catch (Exception ex)
            {
                if (_log.IsDebugEnabled)
                {
                    _log.Debug("The existing model usage threw an exception", ex);
                }

                Interlocked.CompareExchange(ref _scope, null, existingScope);

                existingScope.Close();

                throw;
            }
        }
Esempio n. 5
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        async Task SendUsingExistingModel(IPipe<ModelContext> modelPipe, ModelScope scope, CancellationToken cancellationToken)
        {
            try
            {
                using (var context = await scope.Attach(cancellationToken).ConfigureAwait(false))
                {
//                    if (_log.IsDebugEnabled)
//                        _log.DebugFormat("Using model: {0}", ((ModelContext)context).ConnectionContext.HostSettings.ToDebugString());

                    await modelPipe.Send(context).ConfigureAwait(false);
                }
            }
            catch (Exception exception)
            {
                if (_log.IsDebugEnabled)
                    _log.Debug("The model usage threw an exception", exception);

                Interlocked.CompareExchange(ref _scope, null, scope);

                scope.CreateFaulted(exception);

                throw;
            }
        }
Esempio n. 6
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        async Task SendUsingNewModel(IPipe<ModelContext> modelPipe, ModelScope scope, CancellationToken cancellationToken)
        {
            IPipe<ConnectionContext> connectionPipe = Pipe.ExecuteAsync<ConnectionContext>(async connectionContext =>
            {
                IModel model = await connectionContext.CreateModel().ConfigureAwait(false);

                EventHandler<ShutdownEventArgs> modelShutdown = null;
                modelShutdown = (obj, reason) =>
                {
                    model.ModelShutdown -= modelShutdown;

                    Interlocked.CompareExchange(ref _scope, null, scope);

                    scope.Close();
                };

                model.ModelShutdown += modelShutdown;

                var modelContext = new RabbitMqModelContext(connectionContext, model, connectionContext.CancellationToken);

                scope.Connected(modelContext);

                try
                {
                    using (SharedModelContext context = await scope.Attach(cancellationToken).ConfigureAwait(false))
                    {
                        await modelPipe.Send(context).ConfigureAwait(false);
                    }
                }
                catch (Exception ex)
                {
                    if (_log.IsDebugEnabled)
                        _log.Debug("The existing model usage threw an exception", ex);

                    Interlocked.CompareExchange(ref _scope, null, scope);

                    scope.Close();

                    throw;
                }
            });

            try
            {
                await _connectionCache.Send(connectionPipe, new CancellationToken()).ConfigureAwait(false);
            }
            catch (Exception exception)
            {
                if (_log.IsDebugEnabled)
                    _log.Debug("The connection threw an exception", exception);

                Interlocked.CompareExchange(ref _scope, null, scope);

                throw;
            }
        }
Esempio n. 7
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        async Task SendUsingExistingModel(IPipe<ModelContext> modelPipe, ModelScope existingScope, CancellationToken cancellationToken)
        {
            try
            {
                using (SharedModelContext context = await existingScope.Attach(cancellationToken).ConfigureAwait(false))
                {
                    await modelPipe.Send(context).ConfigureAwait(false);
                }
            }
            catch (Exception ex)
            {
                if (_log.IsDebugEnabled)
                    _log.Debug("The existing model usage threw an exception", ex);

                Interlocked.CompareExchange(ref _scope, null, existingScope);

                existingScope.Close();

                throw;
            }
        }
Esempio n. 8
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        static async Task SendUsingExistingModel(IPipe<ModelContext> modelPipe, ModelScope existingScope, CancellationToken cancellationToken)
        {
            try
            {
                using (SharedModelContext context = await existingScope.Attach(cancellationToken))
                {
                    await modelPipe.Send(context);
                }
            }
            catch (Exception ex)
            {
                if (_log.IsDebugEnabled)
                    _log.Debug("The existing model usage threw an exception", ex);

                throw;
            }
        }