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Questions tagged [bridge]

A design pattern that decouples an abstraction from its implementation so that the two can vary independently. One of the Gang of Four's structural design patterns.

The Bridge pattern is a design pattern used in software engineering which is meant to "decouple an abstraction from its implementation so that the two can vary independently". Bridge uses encapsulation, aggregation, and can use inheritance to separate responsibilities into different classes.

This is one of the Gang of Four's structural , first published in Gamma et al.'s book "Design Patterns: Elements of Reusable Object-Oriented Software".

More information is available on Wikipedia.

Bridge Design Pattern on SourceMaking

Bridge Design Pattern on GeeksForGeeks

Bridge Design Pattern example video

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How to set a specific fixed IP address when I create a docker machine or container?

When I create my container, I want to set a specific container's IP address in the same LAN. Is that possible? If not, after the creation can I edit the DHCP IP address?
user3437964
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__bridge not needed for method arguments?

As we know, with ARC we need a __bridge to convert an id to a void *: void *t = (void *)self; // ERROR: Cast of ... requires a bridged cast void *t = (__bridge void *)self; // CORRECT So are C function calls: void f(void *t) { …
Terry Chang
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Define struct that is treated like a class in Swift

In Swift a String structure is also treated as a class object like when using the NSCoder encodeObject(_:forKey:) method. I do know that String is directly bridged with the objective-c class, NSString, but is there a way to make a custom struct that…
rolling_codes
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How to forward source IPs to Docker containers without letting Docker mess with iptables

if you run something (e.g. nginx) in a Docker container and publish one of the exposed ports to the outside world (like docker run -p 80:80 nginx) then Docker will expose the port to the public set up iptables so that if something connects to the…
Mate Varga
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What is Swift String to NSString bridging overhead?

I've started to learn Swift. And I read, that Swift String is bridged to NSString when using Cocoa classes. What is an overhead of this operation?
Semyon Tikhonenko
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A Bridge Pattern example

I had spend some time on this Bridge pattern example from wikipedia, however, i still do not understand what is this bridge pattern trying to explain. interface DrawingAPI { public void drawCircle(double x, double y, double radius); } /**…
user200340
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Qemu Network Options: tap vs bridge

I just started learning how to use Qemu for a project. I was trying to run Qemu using using bridge networking and was wondering what is the difference between the network options, tap and bridge. I read the network options part in the Qemu document…
Kris
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How do I send React Application context from non react class?

I need to update status changes like event between android and react native class? public class MessagingService extends FirebaseMessagingService { @Override public void onMessageReceived(RemoteMessage remoteMessage) { Log.d(TAG,…
Balasubramanian
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Create a bridge inside a Docker container

I have a docker container running on my computer. I want to use a program inside the container that needs to have a network bridge to a virtual network interface (a bridge between the container and the program running inside the container). For…
Louis
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Route/Bridge docker virtual adapter with zerotier virtual adapter

I have a bunch of servers running in docker containers with docker-for-windows. Because of how docker works on windows these all get shoved inside of hyper-v vm and then the containers run there. So to access a server that is bound to localhost, i…
Stephen Eckels
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Network namespace and bridging

Helo everyone, i am occasional linux user, but i have a project to do and i need some help with bridging :) I have tried with google, but didn't solve the problem. My task is to create network namespace, so it can be used to perform some other tasks…
miki
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Use Qt-based lib in gtk framework

We're trying to find out how I can use the Qt code we wrote in a gtk-based application. Rumour has it that adapters are possible, in less than 600 LoC, but apparently all links lead to web pages covered in 6 years worth of dust. So here's the…
xtofl
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Bridge Pattern - benefit of compilation in Java?

It is said in Design Patterns - Elements of Reusable Object-Oriented Software book : In situations where there's only one implementation (one-to-one) ,creating an abstract implementor class isn't necessary.This is a degenerate case of the…
Mik378
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How to force symfony's phpunit bridge to use phpunit 6.5 instead of 5.7?

Problem I'm using Symfony 3.3.10 on PHP 7.0.25-0ubuntu0.16.04.1 By default this combination goes with phpunit 5.x. But I want to force phpunit 6.x. Context When I invoke the vendor/bin/simple-phpunit for the first time, it installs phpunit/phpunit…
Xavi Montero
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How can React Native send a "Bitmap" image (not filepath) to an Android module?

I have to use an Android module in React Native (through React Native Bridge) and one of its methods needs an image to print. The image is of Bitmap type (not a file path OR a file in the device). This is the signature: void printLogo(Bitmap image,…
user2078023
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