I am going to use singleton classes to manage both DB connections and references to application settings.
Or it\'s better to u开发者_JAVA百科se another Design Pattern?Responded to a similar question some days ago here, mocking a Singleton. The original post is for C#.Net as regards mocking a singleton\'s
Until recently, our app shared a single Apache HttpClient instance using the ThreadSafeClientConnManager across the whole application. The http client instance was held by a singleton class.
On Jon\'s site he has thisvery elegantly designed singleton in C# that looks like this: public sealed class Singleton
Working in C# and Java, I\'ve seen basically 开发者_StackOverflowone way everybody initializes singletons:
public class db { public static string connectionString = WebConfigurationManager.ConnectionStrings[\"connectString\"].ConnectionString;
Sim开发者_如何学JAVAple question. Can I do this: object Xyz extends Actor { ... } or do Actors have to be classes with instances?Object extending Actor works fine.
I am sorry if this is a duplicate or too elementary, but how do I make a singleton class开发者_如何学JAVA that can be subclassed?Steve Yegge has an amusing article about singletons that mentions subcl
There is this DB-connection-like object that my web application will need. It is pretty slow to create and will be used rarely, so I would like to keep only a single instance of it around. If several
The topic has already been on the table in some previous questions. New elements come with new problems. I am seeking here for the best way to handle database connection(s), concerning aspects of : ma