Medium Abstract Factory.kt

interface Database {
    fun fetchData(): String
}

class LocalDatabase : Database {
    override fun fetchData(): String {
        // Yerel veritabanından veri çekme işlemleri
        return "local data"
    }
}

class RemoteDatabase : Database {
    override fun fetchData(): String {
        // Uzak sunucudan veri çekme işlemleri
        return "remote data"
    }
}

interface DatabaseFactory {
    fun createDatabase(): Database
}

class LocalDatabaseFactory : DatabaseFactory {
    override fun createDatabase(): Database {
        return LocalDatabase()
    }
}

class RemoteDatabaseFactory : DatabaseFactory {
    override fun createDatabase(): Database {
        return RemoteDatabase()
    }
}

// Kullanım
val isLocalDatabase = true // Veya dinamik olarak belirlenebilir
val databaseFactory: DatabaseFactory = if (isLocalDatabase) {
    LocalDatabaseFactory()
} else {
    RemoteDatabaseFactory()
}
val database = databaseFactory.createDatabase()
val data = database.fetchData()