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Coyote
Microsoft.Coyote.Samples.HelloWorldActors
RequestGreetingEvent

How to use RequestGreetingEvent class of Microsoft.Coyote.Samples.HelloWorldActors package

Best Coyote code snippet using Microsoft.Coyote.Samples.HelloWorldActors.RequestGreetingEvent

Program.cs

Source:Program.cs

...34            // In Coyote once an actor is created it lives forever until it is halted.35            runtime.CreateActor(typeof(TestActor));36        }37        /// <summary>38        /// This TestActor is designed to test our "Greeter" by sending it one or more RequestGreetingEvents.39        /// </summary>40        [OnEventDoAction(typeof(GreetingEvent), nameof(HandleGreeting))]41        private class TestActor : Actor42        {43            private ActorId GreeterId;44            private int Count;45            protected override Task OnInitializeAsync(Event initialEvent)46            {47                // Create the Greeter and hold onto the returned ActorId.  The ActorId is not the48                // actual Greeter object instance, it is like a handle to the actor that is managed49                // by the Coyote actor runtime.50                this.GreeterId = this.CreateActor(typeof(Greeter));51                // Now request a random number of greetings.  The SendEvent call here queues up52                // work on the Greeter, but HandleGreeting will not be called until this method53                // is done.54                this.Count = 1 + this.RandomInteger(5);55                Console.WriteLine("Requesting {0} greeting{1}", this.Count, this.Count == 1 ? string.Empty : "s");56                for (int i = 0; i < this.Count; i++)57                {58                    this.SendEvent(this.GreeterId, new RequestGreetingEvent(this.Id));59                }60                return base.OnInitializeAsync(initialEvent);61            }62            private void HandleGreeting(Event e)63            {64                // this is perfectly thread safe, because all message handling in actors is65                // serialized within the Actor class.66                this.Count--;67                string greeting = ((GreetingEvent)e).Greeting;68                Console.WriteLine("Received greeting: {0}", greeting);69                this.Assert(this.Count >= 0, "Too many greetings returned!");70            }71        }72    }...

Greeter.cs

Source:Greeter.cs

...3using Microsoft.Coyote.Actors;4namespace Microsoft.Coyote.Samples.HelloWorldActors5{6    /// <summary>7    /// This is a Coyote Actor that handles a RequestGreetingEvent and responds8    /// with a GreetingEvent.9    /// </summary>10    [OnEventDoAction(typeof(RequestGreetingEvent), nameof(HandleGreeting))]11    public class Greeter : Actor12    {13        /// <summary>14        /// This method is called when this actor receives a RequestGreetingEvent.15        /// </summary>16        /// <param name="e">The event should be of type RequestGreetingEvent.</param>17        private void HandleGreeting(Event e)18        {19            if (e is RequestGreetingEvent ge)20            {21                string greeting = this.RandomBoolean() ? "Hello World!" : "Good Morning";22                this.SendEvent(ge.Caller, new GreetingEvent(greeting));23                if (this.RandomInteger(10) is 0)24                {25                    // bug: a 1 in 10 chance of sending too many greetings.26                    this.SendEvent(ge.Caller, new GreetingEvent(greeting));27                }28            }29        }30    }31}...

Events.cs

Source:Events.cs

...8    /// Events in Coyote are strongly typed and have their own lifetime outside of9    /// the scope of any particular call stack, because they can be queued in10    /// an Actor inbox.11    /// </summary>12    internal class RequestGreetingEvent : Event13    {14        public readonly ActorId Caller;15        public RequestGreetingEvent(ActorId caller)16        {17            this.Caller = caller;18        }19    }20    /// <summary>21    /// This is a Coyote Event returned in response to a RequestGreetingEvent.22    /// An event can contain any data you want.23    /// </summary>24    internal class GreetingEvent : Event25    {26        public readonly string Greeting;27        public GreetingEvent(string greeting)28        {29            this.Greeting = greeting;30        }31    }32}...

RequestGreetingEvent

Using AI Code Generation

1using Microsoft.Coyote.Samples.HelloWorldActors;2using Microsoft.Coyote.Samples.HelloWorldActors;3using Microsoft.Coyote.Samples.HelloWorldActors;4using Microsoft.Coyote.Samples.HelloWorldActors;5using Microsoft.Coyote.Samples.HelloWorldActors;6using Microsoft.Coyote.Samples.HelloWorldActors;7using Microsoft.Coyote.Samples.HelloWorldActors;8using Microsoft.Coyote.Samples.HelloWorldActors;9using Microsoft.Coyote.Samples.HelloWorldActors;10using Microsoft.Coyote.Samples.HelloWorldActors;11using Microsoft.Coyote.Samples.HelloWorldActors;12using Microsoft.Coyote.Samples.HelloWorldActors;13using Microsoft.Coyote.Samples.HelloWorldActors;14using Microsoft.Coyote.Samples.HelloWorldActors;

RequestGreetingEvent

Using AI Code Generation

1using Microsoft.Coyote.Samples.HelloWorldActors;2using Microsoft.Coyote.Actors;3{4    {5        static void Main(string[] args)6        {7            var runtime = new ActorRuntime();8            var greeter = runtime.CreateActor(typeof(Greeter));9            runtime.SendEvent(greeter, new RequestGreetingEvent());10            Console.ReadKey();11        }12    }13}14using Microsoft.Coyote.Samples.HelloWorldActors;15using Microsoft.Coyote.Actors;16using Microsoft.Coyote.Actors;17using Microsoft.Coyote.Actors;18{19    {20        [OnEntry(nameof(OnEntryGreet))]21        [OnEventDoAction(typeof(RequestGreetingEvent), nameof(SendGreeting))]22        {23        }24        void OnEntryGreet(Event e)25        {26            Console.WriteLine("Hello World!");27        }28        void SendGreeting()29        {30            Console.WriteLine("Greetings!");31        }32    }33}34using Microsoft.Coyote.Samples.HelloWorldActors;35using Microsoft.Coyote.Actors;36using Microsoft.Coyote.Actors;

RequestGreetingEvent

Using AI Code Generation

1using Microsoft.Coyote.Samples.HelloWorldActors;2using Microsoft.Coyote;3{4    {5        static void Main(string[] args)6        {7            ActorRuntime runtime = ActorRuntime.Create();8            ActorId id = runtime.CreateActor(typeof(Greeter));9            runtime.SendEvent(id, new RequestGreetingEvent());10        }11    }12}13using Microsoft.Coyote;14using Microsoft.Coyote.Actors;15using Microsoft.Coyote.Samples.HelloWorldActors;16{17    {18        [OnEventDoAction(typeof(RequestGreetingEvent), nameof(ProcessRequest))]19        class Init : State { }20        void ProcessRequest()21        {22            this.SendEvent(this.Runtime, new RespondGreetingEvent("Hello World!"));23        }24    }25}

RequestGreetingEvent

Using AI Code Generation

1using Microsoft.Coyote.Samples.HelloWorldActors;2using Microsoft.Coyote.Actors;3using System;4using System.Threading.Tasks;5{6    {7        static void Main(string[] args)8        {9            var runtime = new ActorRuntime();10            var greeter = runtime.CreateActor(typeof(Greeter));11            runtime.SendEvent(greeter, new RequestGreetingEvent("World"));12            Console.ReadLine();13        }14    }15}16using Microsoft.Coyote.Samples.HelloWorldActors;17using Microsoft.Coyote.Actors;18using System;19using System.Threading.Tasks;20{21    {22        static void Main(string[] args)23        {24            var runtime = new ActorRuntime();25            var greeter = runtime.CreateActor(typeof(Greeter));26            runtime.SendEvent(greeter, new RequestGreetingEvent("World"));27            Console.ReadLine();28        }29    }30}31using Microsoft.Coyote.Samples.HelloWorldActors;32using Microsoft.Coyote.Actors;33using System;34using System.Threading.Tasks;35{36    {37        static void Main(string[] args)38        {39            var runtime = new ActorRuntime();40            var greeter = runtime.CreateActor(typeof(Greeter));41            runtime.SendEvent(greeter, new RequestGreetingEvent("World"));42            Console.ReadLine();43        }44    }45}46using Microsoft.Coyote.Samples.HelloWorldActors;47using Microsoft.Coyote.Actors;48using System;49using System.Threading.Tasks;50{51    {52        static void Main(string[] args)53        {54            var runtime = new ActorRuntime();55            var greeter = runtime.CreateActor(typeof(Greeter));56            runtime.SendEvent(greeter, new RequestGreetingEvent("World"));57            Console.ReadLine();58        }59    }60}

RequestGreetingEvent

Using AI Code Generation

1using Microsoft.Coyote.Samples.HelloWorldActors;2using System.Threading.Tasks;3{4    {5        static async Task Main(string[] args)6        {7            var runtime = new Coyote.Runtime();8            var id = runtime.CreateActor(typeof(HelloWorldActor), null);9            await runtime.SendEvent(id, new RequestGreetingEvent());10        }11    }12}13using Microsoft.Coyote.Samples.HelloWorldActors;14using System.Threading.Tasks;15{16    {17        static async Task Main(string[] args)18        {19            var runtime = new Coyote.Runtime();20            var id = runtime.CreateActor(typeof(HelloWorldActor), null);21            await runtime.SendEvent(id, new RequestGreetingEvent());22        }23    }24}25Coyote.Runtime.SetExecutionMode(ExecutionMode.Deterministic);

RequestGreetingEvent

Using AI Code Generation

1using Microsoft.Coyote.Samples.HelloWorldActors;2using Microsoft.Coyote.Actors;3using System;4{5    {6        static void Main(string[] args)7        {8            var runtime = RuntimeFactory.Create();9            var greeter = runtime.CreateActor(typeof(Greeter));10            runtime.SendEvent(greeter, new RequestGreetingEvent());11            runtime.Wait();12        }13    }14}15using Microsoft.Coyote.Samples.HelloWorldActors;16using Microsoft.Coyote.Actors;17using System;18{19    {20        static void Main(string[] args)21        {22            var runtime = RuntimeFactory.Create();23            var greeter = runtime.CreateActor(typeof(Greeter));24            runtime.SendEvent(greeter, new RequestGreetingEvent());25            runtime.Wait();26        }27    }28}29using Microsoft.Coyote.Samples.HelloWorldActors;30using Microsoft.Coyote.Actors;31using System;32{33    {34        static void Main(string[] args)35        {36            var runtime = RuntimeFactory.Create();37            var greeter = runtime.CreateActor(typeof(Greeter));38            runtime.SendEvent(greeter, new RequestGreetingEvent());39            runtime.Wait();40        }41    }42}43using Microsoft.Coyote.Samples.HelloWorldActors;44using Microsoft.Coyote.Actors;45using System;46{47    {

RequestGreetingEvent

Using AI Code Generation

1using Microsoft.Coyote.Samples.HelloWorldActors;2{3    {4        static void Main(string[] args)5        {6            var runtime = Microsoft.Coyote.Runtime.Create();7            var greetingActor = runtime.CreateActor(typeof(GreetingActor));8            runtime.SendEvent(greetingActor, new RequestGreetingEvent("Coyote"));9            runtime.Wait();10        }11    }12}13using Microsoft.Coyote;14using Microsoft.Coyote.Actors;15using Microsoft.Coyote.Samples.HelloWorldActors;16{17    {18        protected override Task OnInitializeAsync(Event initialEvent)19        {20            this.RegisterEventHandler<RequestGreetingEvent>(this.OnRequestGreeting);21            return Task.CompletedTask;22        }23        private Task OnRequestGreeting(Event e)24        {25            var request = e as RequestGreetingEvent;26            var greeting = $"Hello, {request.Name}!";27            this.SendEvent(request.Sender, new GreetingEvent(greeting));28            return Task.CompletedTask;29        }30    }31}32using Microsoft.Coyote.Actors;33{34    {35        public RequestGreetingEvent(string name)36        {37            this.Name = name;38        }39        public string Name { get; private set; }40    }41}42using Microsoft.Coyote.Actors;43{44    {45        public GreetingEvent(string greeting)46        {47            this.Greeting = greeting;48        }49        public string Greeting { get; private set; }50    }51}

RequestGreetingEvent

Using AI Code Generation

1using Microsoft.Coyote.Samples.HelloWorldActors;2using Microsoft.Coyote.Actors;3using Microsoft.Coyote.Actors.Timers;4using System.Threading.Tasks;5{6    {7        static async Task Main(string[] args)8        {9            var config = Configuration.Create();10            var runtime = RuntimeFactory.Create(config);11            var actorId = await runtime.CreateActorAsync(typeof(HelloWorldActor));12            await runtime.SendEventAsync(actorId, new RequestGreetingEvent("World"));13            runtime.Dispose();14        }15    }16}17using Microsoft.Coyote.Actors;18using Microsoft.Coyote.Actors.Timers;19using System.Threading.Tasks;20{21    {22        protected override Task OnInitializeAsync(Event initialEvent)23        {24            this.RegisterTimer("HelloWorldTimer", new RequestGreetingEvent("World"), 1000, true);25            return Task.CompletedTask;26        }27        protected override Task OnEventAsync(Event e)28        {29            if (e is RequestGreetingEvent rge)30            {31                this.Log.WriteLine($"Hello {rge.Name}!");32            }33            return Task.CompletedTask;34        }35    }36}

RequestGreetingEvent

Using AI Code Generation

1using Microsoft.Coyote.Samples.HelloWorldActors;2using System;3using System.Threading.Tasks;4{5    {6        static void Main(string[] args)7        {8            var runtime = new ActorRuntime();9            var greeter = runtime.CreateActor(typeof(Greeter));10            runtime.SendEvent(greeter, new RequestGreetingEvent("Coyote"));11            Task.WaitAll(runtime.WaitCompletionAsync(greeter));12        }13    }14}15using Microsoft.Coyote.Samples.HelloWorldActors;16using System;17using System.Threading.Tasks;18{19    {20        static void Main(string[] args)21        {22            var runtime = new ActorRuntime();23            var greeter = runtime.CreateActor(typeof(Greeter));24            runtime.SendEvent(greeter, new RequestGreetingEvent("Coyote"));25            Task.WaitAll(runtime.WaitCompletionAsync(greeter));26        }27    }28}29using Microsoft.Coyote.Samples.HelloWorldActors;30using System;31using System.Threading.Tasks;32{33    {34        static void Main(string[] args)35        {36            var runtime = new ActorRuntime();37            var greeter = runtime.CreateActor(typeof(Greeter));38            runtime.SendEvent(greeter, new RequestGreetingEvent("Coyote"));39            Task.WaitAll(runtime.WaitCompletionAsync(greeter));40        }41    }42}

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