Singleton Design Pattern a cikin Node.js: Ingantaccen Gudanar da Misalin Duniya

Sashe Singleton Design Pattern ne mai mahimmanci na Node.js, yana ba ku damar tabbatar da cewa aji yana da misali ɗaya kawai kuma yana ba da ma'anar samun dama ga wannan misalin.

Manufar Singleton Design Pattern

Yana Singleton Design Pattern tabbatar da cewa aji zai sami misali guda ɗaya kawai a duk aikace-aikacen. Wannan yana ba da tabbacin cewa duk hulɗa tare da wannan misalin suna amfani da misali iri ɗaya.

Singleton Design Pattern in Node.js

A cikin Node.js, Singleton Design Pattern ana amfani da shi sau da yawa don sarrafa abubuwan da aka raba kamar haɗin bayanan bayanai, masu canji na duniya, ko abubuwan da ke buƙatar shiga duniya cikin aikace-aikacen.

Amfani Singleton Design Pattern da in Node.js

Ƙirƙirar Singleton: Don ƙirƙirar a Singleton cikin Node.js, za ku iya yin amfani da Node.js na'ura mai amfani:

// databaseConnection.js  
class DatabaseConnection {  
    constructor() {  
        // Initialize database connection  
    }  
  
    // Method to create a unique instance  
    static getInstance() {  
        if(!this.instance) {  
            this.instance = new DatabaseConnection();  
        }  
        return this.instance;  
    }  
}  
  
module.exports = DatabaseConnection;  

Yin amfani da Singleton: Yanzu zaku iya shiga Singleton daga ko'ina cikin aikace-aikacen ku:

const DatabaseConnection = require('./databaseConnection');  
const dbConnection = DatabaseConnection.getInstance();  

Amfanin Singleton Design Pattern cikin Node.js

Wurin Samun Samun Duniya: Yana Singleton Design Pattern ba da madaidaicin hanyar shiga duniya zuwa keɓaɓɓen misali na aji.

Gudanar da Albarkatu: Singleton galibi ana amfani dashi don sarrafa albarkatun da aka raba kamar haɗin bayanai.

Sauƙin Amfani: Singleton ana iya haɗa shi cikin sauƙi cikin kowane ɓangaren Node.js aikace-aikacen.

Kammalawa

The Singleton Design Pattern in Node.js hanya ce mai ƙarfi don sarrafa keɓaɓɓun abubuwa da aka raba tsakanin aikace-aikace. Yana taimakawa yadda ya kamata sarrafa albarkatu kuma yana ba da hanya don samun damar duniya zuwa mahimman sassa.