//Definition of events
//A mechanism for communication btw objects
//Used in building Loosely coupled apps
//Helps extending apps
//Usage
// event publisher => event receiver/handler
//Delegates
//Agreement/contract btw Publisher and Subscriber
//Determines the signature of the event handler method in Subscriber
static void Main(string[] args)
{
var video = new Video() { Title = "Video 1" };
var videoEncoder = new VideoEncoder();//publisher
var mailService = new MailService();//subscriber
var messageService = new MessageService(); // subscriber
videoEncoder.VideoEncoded += mailService.OnVideoEncoded;
videoEncoder.VideoEncoded += messageService.OnVideoEncoded;
videoEncoder.Encode(video);
}
//Lesson 4 : Events
static void Main(string[] args)
{
var video = new Video()
{
Title = "Video 1"
};
var videoEncoder = new VideoEncoder();
var mailService = new MailService();
var messageService = new MessageService();
videoEncoder.VideoEncoded += mailService.OnVideoEncoded;
videoEncoder.VideoEncoded += messageService.OnVideoEncoded;
videoEncoder.Encode(video);
}
static void Main(string[] args)
{
var order = new ForexOrder {
AccountNumber = "1574078"
};
var mailService = new MailService();
var documentService = new DocumentService();
order.OnForexOrderSave += mailService.HandleOrderSaveEvent;
order.OnForexOrderSave += documentService.HandleOrderSaveEvent;
order.Save();
Console.ReadLine();
}
static void Main(string[] args)
{
var video = new Video()
{
Titile = "Iron Man"
};
var videoEncoder = new VideoEncoder();
var mailService = new MailService();
var smsService = new SmsService();
videoEncoder.VideoEnCoded += mailService.OnVideoEncoded;
videoEncoder.VideoEnCoded += smsService.OnVideoEncoded;
videoEncoder.Encode(video);
Console.ReadLine();
}
private static void Main(string[] args)
{
var video = new Video()
{
Title = "V1"
};
var videoEncoder = new VideoEncoder(); // Publisher
var mailService = new MailService();
var smsService = new SmsService();
videoEncoder.VideoEncoded += mailService.OnVideoEncoder;
videoEncoder.VideoEncoded += smsService.OnVideoEncoder;
videoEncoder.Encode(video);
Console.ReadLine();
}
static void Main(string[] args)
{
var video = new Video {
Title = "Harry Potter"
};
var videoEncoder = new VideoEncoder(); // publisher
var mailService = new MailService(); // subscriber
var textService = new TextService(); // subscriber
videoEncoder.VideoEncoded += mailService.OnVideoEncoded;
videoEncoder.VideoEncoded += textService.OnVideoEncoded;
videoEncoder.Encode(video);
Console.ReadKey();
}
public static void Main(string[] args)
{
var video = new Video {
Title = "A funny video"
};
var mailService = new MailService();
var smsService = new SmsService();
var videoEncoder = new VideoEncoder();
Console.WriteLine("[Program] Register events...");
videoEncoder.VideoEncoded += mailService.OnVideoEncoded;
videoEncoder.VideoEncoded += smsService.OnVideoEncoded;
videoEncoder.VideoEncodedWithoutArguments += mailService.OnVideoEncoded_WithoutArguments;
videoEncoder.VideoEncodedWithoutArguments += smsService.OnVideoEncoded_WithoutArguments;
videoEncoder.Encode(video);
}
static void Main(string[] args)
{
var video = new Video()
{
Title = "Video 1"
};
var videoEncoder = new VideoEncoder(); //publisher
var mailService = new MailService(); //subscriber
var messageService = new MessageService(); //subscriber
videoEncoder.VideoEncoded += mailService.OnVideoEncoded;
videoEncoder.VideoEncoded += messageService.OnVideEncoded;
videoEncoder.Encode(video);
Console.WriteLine("Encoded");
Console.ReadLine();
}
static void Main(string[] args)
{
Video video = new Video()
{
Title = "Video 1"
};
VideoEncoder videoEncoder = new VideoEncoder();
MailService mailService = new MailService();
TextMessage textMessage = new TextMessage();
videoEncoder.VideoEncoded += mailService.OnVideoEncoded;
videoEncoder.VideoEncoded += textMessage.OnVideoEncoded;
videoEncoder.Encode(video);
Console.ReadKey();
}
static void Main(string[] args)
{
/*
* Events is a mechanism for communication between objects, it helps building loosely coupled apps and helps extending them.
*
*/
var video = new Video()
{
Title = "Video 1"
};
var videoEncoder = new VideoEncoder(); // <- publisher
var mailService = new MailService(); // <- subscriber
var messageService = new MessageService(); // <- subscriber
videoEncoder.VideoEncoded += mailService.OnVideoEncoded; // <- handler
videoEncoder.VideoEncoded += messageService.OnVideoEncoded;
videoEncoder.Encode(video);
}
static void Main(string[] args)
{
// 1 - Define a delegate
// 2 - Define an event based on that delegate
// 3 - Raise an event
var video = new Video()
{
Title = "Video 1"
};
var videoEncoder = new VideoEncoder(); // publisher
var mailService = new MailService(); // subscriber
var messageService = new MessageService(); //subscriber
videoEncoder.VideoEncoded += mailService.OnVideoEncoded;
videoEncoder.VideoEncoded += messageService.OnVideoEncoded;
videoEncoder.Encode(video);
}
static void Main(string[] args)
{
//EVENTS
//a mechanism for communication between objects...it can notify objects something has happened.
//used in building loosely coupled applications
//helps extending applications
var video = new Video() { Title = "Video 1" };
var videoEncoder = new VideoEncoder(); //this is the publisher
var mailService = new MailService(); //this is the subscriber
var messageService = new MessageService();
//call and create the subscription
videoEncoder.VideoEncoded += mailService.OnVideoEncoded;
videoEncoder.VideoEncoded += messageService.OnVideoEncoded;
videoEncoder.Encode(video);
}
// Events: Mechanism for communication between objects
// Used in building loosely coupled applications
// Helps with extending applications
// Delegate: Agreement or Contract between a Publisher and Subscriber
// Determines the signature of the event handler method in the subscriber
static void Main(string[] args)
{
var video = new Video()
{
Title = "Video 1"
};
var videoEncoder = new VideoEncoder(); //publisher
var mailService = new MailService(); //subscriber
var messageService = new MessageService(); //subscriber
// subscribing
videoEncoder.VideoEncoded += mailService.OnVideoEncoded; // no bracket or parens, indicating that this is a pointer to a method (i.e. a delegate)
// videoEncoder = publisher
// .VideoEncoded = desired event
// += = subscribing
// messageService = subscriber
// .OnVideoEncoded = pointer
videoEncoder.VideoEncoded += messageService.OnVideoEncoded;
videoEncoder.Encode(video);
}
static void Main(string[] args)
{
var video = new Video {
Title = "Video 1"
};
var videoEncoder = new VideoEncoder(); //publisher
var mailService = new MailService(); //subscriber
var messageService = new MessageService(); //another subscriber
videoEncoder.VideoEncoded += mailService.OnVideoEncoded;
videoEncoder.VideoEncoded += messageService.OnVideoEncoded;
videoEncoder.Encode(video);
var videoEncoderDotNetDelegate = new VideoEncoderDotNetDelegate();
videoEncoderDotNetDelegate.VideoEncoded += mailService.OnVideoEncoded;
videoEncoderDotNetDelegate.Encode(video);
Console.ReadLine();
}
static void Main(string[] args)
{
var video = new Video()
{
Title = "Video 1"
};
var videoEncoder = new VideoEncoder(); // publisher
var mailService = new MailService(); // subscriber
var messageService = new MessageService();
// making the subscription first
videoEncoder.VideoEncoded += mailService.OnVideoEncoded; // not calling, just a reference
// making another subscription
videoEncoder.VideoEncoded += messageService.OnVideoEncoded;
videoEncoder.Encode(video);
// subscribers added without making single change in VE class
// must send the data...
}
static void Main(string[] args)
{
var video = new Video()
{
Title = "Home Alone"
};
var encoder = new VideoEncoader(); //publisher
var mailService = new MailService(); //subscriber
var messageService = new Messanger();
// VideoEncoding subscriber
var preProcessor = new PreProcessor();
//registering subscriptpion on event
//encodING event
encoder.VideoEncoding += preProcessor.OnVideoEncoding;
//EncodeED event
encoder.VideoEncoded += mailService.OnVideoEncoded;
encoder.VideoEncoded += messageService.OnVideoEncoded;
encoder.VideoEncoded += Dorefactor;
encoder.Encode(video);
}
private static void Main(string[] args)
{
// Fill class video with a name value
var video = new Video {
Name = "DelegatesAndEvents.mp4"
};
// Publish
var videoEncoder = new VideoEncoder();
// Subscribers
var messageService = new MessageService();
var mailService = new MailService();
// Sign the event
videoEncoder.VideoEncoded += messageService.OnVideoEncoded;
videoEncoder.VideoEncoded += mailService.OnVideoEncoded;
// Call to method that encode the video
videoEncoder.Encode(video);
// Wait for some character in console application
Console.Read();
}
