source: branches/3.3-HiveMigration/sources/HeuristicLab.Hive/HeuristicLab.Hive.Server.Core/3.3/ServiceLocator.cs @ 4092

#region License Information
/* HeuristicLab
 * Copyright (C) 2002-2008 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
 *
 * This file is part of HeuristicLab.
 *
 * HeuristicLab is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * HeuristicLab is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
 */
#endregion

using System.Linq;
using HeuristicLab.Hive.Server.DataAccess;
using HeuristicLab.PluginInfrastructure;
using System.Runtime.CompilerServices;
using HeuristicLab.Hive.Contracts.Interfaces;
using HeuristicLab.Hive.Server.Core;
using HeuristicLab.Hive.Server.Core.InternalInterfaces;
using HeuristicLab.DataAccess.Interfaces;
using System.Data.SqlClient;
using HeuristicLab.Security.Contracts.Interfaces;

namespace HeuristicLab.Hive.Server.Core {
  /// <summary>
  /// The service locator for the server core
  /// </summary>
  public class ServiceLocator {
    private static IClientManager clientManager = null;

    private static IJobManager jobManager = null;

    private static IClientCommunicator clientCommunicator = null;

    private static ILifecycleManager lifecycleManager = null;

    private static ISessionFactory sessionFactory = null;

    private static IScheduler scheduler = null;

    private static IPermissionManager permManager = null;

    private static IHivePermissionManager hivePermManager = null;

    private static IContextFactory contextFactory = null;

    /// <summary>
    /// Gets the client manager
    /// </summary>
    /// <returns></returns>
    [MethodImpl(MethodImplOptions.Synchronized)]
    public static IClientManager GetClientManager() {
      if (clientManager == null)
        clientManager = new ClientManager();

      return clientManager;
    }

    /// <summary>
    /// Gets the job manager
    /// </summary>
    /// <returns></returns>
    [MethodImpl(MethodImplOptions.Synchronized)]
    public static IJobManager GetJobManager() {
      if (jobManager == null)
        jobManager = new JobManager();

      return jobManager;
    }

    /// <summary>
    /// Gets the client Communicator
    /// </summary>
    /// <returns></returns>
    [MethodImpl(MethodImplOptions.Synchronized)]
    public static IClientCommunicator GetClientCommunicator() {
      if (clientCommunicator == null)
        clientCommunicator = new ClientCommunicator();

      return clientCommunicator;
    }

    /// <summary>
    /// Gets the lifecycle manager
    /// </summary>
    /// <returns></returns>
    [MethodImpl(MethodImplOptions.Synchronized)]
    public static ILifecycleManager GetLifecycleManager() {
      if (lifecycleManager == null) {
        lifecycleManager = new LifecycleManager();
      }
      return lifecycleManager;
    }

    /// <summary>
    /// Gets the db session factory
    /// </summary>
    /// <returns></returns>
    [MethodImpl(MethodImplOptions.Synchronized)]
    public static ISessionFactory GetSessionFactory() {
      if (sessionFactory == null) {
        sessionFactory = ApplicationManager.Manager.GetInstances<ISessionFactory>().First();
        sessionFactory.DbConnectionType = typeof(SqlConnection);
        sessionFactory.DbConnectionString = HeuristicLab.Hive.Server.Core.Properties.Settings.Default.HiveServerConnectionString;
      }

      return sessionFactory;
    }

    /// <summary>
    /// Gets the scheduler
    /// </summary>
    /// <returns></returns>
    [MethodImpl(MethodImplOptions.Synchronized)]
    public static IScheduler GetScheduler() {
      if (scheduler == null) {
        scheduler = ApplicationManager.Manager.GetInstances<IScheduler>().First();
      }

      return scheduler;
    }

    /// <summary>
    /// Gets the permission manager
    /// </summary>
    /// <returns></returns>
    [MethodImpl(MethodImplOptions.Synchronized)]
    public static IPermissionManager GetPermissionManager() {
      if (permManager == null)
        permManager = ApplicationManager.Manager.GetInstances<IPermissionManager>().First();
      return permManager;

    }

    /// <summary>
    /// Gets the permission manager
    /// </summary>
    /// <returns></returns>
    [MethodImpl(MethodImplOptions.Synchronized)]
    public static IHivePermissionManager GetHivePermissionManager() {
      if (hivePermManager == null)
        hivePermManager = ApplicationManager.Manager.GetInstances<IHivePermissionManager>().First();
      return hivePermManager;

    }

    /// <summary>
    /// Gets the database context manager
    /// </summary>
    /// <returns></returns>
    [MethodImpl(MethodImplOptions.Synchronized)]
    public static IContextFactory GetContextFactory() {
      if (contextFactory == null)
        contextFactory = ApplicationManager.Manager.GetInstances<IContextFactory>().First();
      return contextFactory;
    }
  }
}