using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data.Common;
using System.Data.SqlClient;
using HeuristicLab.Tracing;

namespace HeuristicLab.Hive.Server.LINQDataAccess {
  public class ContextFactory {
    [ThreadStatic]
    private static HiveDataContext _hiveDataContext = null;

    [ThreadStatic]
    private static SqlTransaction _currentTransaction = null;

    public static HiveDataContext Context { 
      get {
        if (_hiveDataContext == null) {
          Logger.Debug("Requested new Data Context");
          _hiveDataContext = new HiveDataContext("Data Source=127.0.0.1;Initial Catalog=HeuristicLab.Hive.Linq.Test;Integrated Security=SSPI");
          _hiveDataContext.CommandTimeout = 240;
        }
        return _hiveDataContext;        
      } 
      set {        
        _hiveDataContext = value;
      }
    }

    public static SqlTransaction CurrentTransaction { 
      get {
        return _currentTransaction;
      } set {
        _currentTransaction = value;
      } 
    }

    public static bool IsContextNull() {
      return _hiveDataContext == null;
    }
  }
}