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Informations about the package bus
Message Bus Component
A message bus component is essential in modern applications for managing communication between different parts of the system. It acts as a central hub that routes messages between services, ensuring decoupled and scalable architecture. This allows individual components to interact without needing to know the specifics of each other, simplifying development and maintenance.
Installation
Usage
Dispatching Message with the Bus
Think of the "bus" as a mail delivery system for your messages. It follows a specific path, decided by some rules (middleware), to send your message and handle it.
Here's a snippet on how to set it up and dispatch a message:
Handling Messages
A "message handler" is what does the work when a message arrives. It can be a simple function or a method in a class. Here's how you set one up:
Middleware
Middleware are helpers that perform tasks before and after your message is handled. They operate at the bus level, meaning they handle all messages dispatched through the message bus they are linked to.
Here's how to create one:
Decorators
Decorators are helpers that perform tasks before and after your message is handled. Unlike Middleware, decorators operate at the handler level, allowing you to modify or enhance specific handlers without changing their actual code.
Check this out in decorator and decorator-bundle packages.
Framework Integration
- cqs-bundle - Symfony bundle for Command-Query buses.
- domain-event-bundle - Symfony bundle for Event bus.
License
This tool is available under the MIT License, which means you can use it pretty freely in your projects.
All versions of bus with dependencies
psr/container Version ^2.0
psr/log Version ^3.0
symfony/service-contracts Version ^3.4
yceruto/decorator Version ^1.0