using System;
using Db4objects.Db4o;
using Db4objects.Db4o.Linq;

namespace Db4OSeries
{
    internal class Program
    {
        private static void Main(string[] args)
        {
            var config = Db4oEmbedded.NewConfiguration();
            using (var db = Db4oEmbedded.OpenFile(config, "database.db4o"))
            {
                StoreExample(db);
                QueryExample(db);
                UpdateExample(db);
                DeleteExample(db);
            }
        }

        private static void QueryExample(IObjectContainer db)
        {
            var persons = from Person p in db
                          where p.SirName.Contains("Stoffel")
                          select p;
            foreach (var aPerson in persons)
            {
                Console.Out.WriteLine(aPerson.FirstName);
            }
        }

        private static void UpdateExample(IObjectContainer db)
        {
            var persons = from Person p in db
                          where p.SirName.Contains("Stoffel")
                          select p;
            foreach (var aPerson in persons)
            {
                aPerson.IsMarried = true;
                db.Store(aPerson);
            }
        }

        private static void DeleteExample(IObjectContainer db)
        {
            var persons = from Person p in db
                          where p.SirName.Contains("Stoffel")
                          select p;
            foreach (var aPerson in persons)
            {
                db.Delete(aPerson);
            }
        }

        private static void StoreExample(IObjectContainer db)
        {
            var myself = new Person
                             {
                                 FirstName = "Roman",
                                 SirName = "Stoffel",
                                 Owns = new[]
                                            {
                                                new Pet("Findus"),
                                                new Pet("Garfield"),
                                            }
                             };
            db.Store(myself);
        }
    }
}