Line data    Source code

       1             : #region Copyright
       2             : // -----------------------------------------------------------------------
       3             : // <copyright company="Chinchilla Software Limited">
       4             : //     Copyright Chinchilla Software Limited. All rights reserved.
       5             : // </copyright>
       6             : // -----------------------------------------------------------------------
       7             : #endregion
       8             : 
       9             : using Cqrs.Domain;
      10             : 
      11             : namespace Cqrs.Services
      12             : {
      13             :         /// <summary>
      14             :         /// Provides a basic container to control how the <see cref="IUnitOfWork{TAuthenticationToken}"/> is accessed.
      15             :         /// </summary>
      16             :         public class UnitOfWorkService<TAuthenticationToken> : IUnitOfWorkService
      17           1 :         {
      18             :                 /// <summary>
      19             :                 /// Gets or set the <see cref="IUnitOfWork{TAuthenticationToken}"/>.
      20             :                 /// </summary>
      21             :                 protected IUnitOfWork<TAuthenticationToken> UnitOfWork { get; private set; }
      22             : 
      23             :                 /// <summary>
      24             :                 /// Gets or set the object that wants to control the <see cref="UnitOfWork"/>.
      25             :                 /// </summary>
      26             :                 protected object Committer { get; private set; }
      27             : 
      28             :                 /// <summary>
      29             :                 /// Instantiate a new instance of <see cref="UnitOfWorkService{TAuthenticationToken}"/>.
      30             :                 /// </summary>
      31             :                 /// <param name="unitOfWork"></param>
      32           1 :                 public UnitOfWorkService(IUnitOfWork<TAuthenticationToken> unitOfWork)
      33             :                 {
      34             :                         UnitOfWork = unitOfWork;
      35             :                 }
      36             : 
      37             :                 /// <summary>
      38             :                 /// Informs the service of the object that will be committing the <see cref="UnitOfWork"/>.
      39             :                 /// </summary>
      40             :                 /// <returns>
      41             :                 /// true if the provided <paramref name="commiter"/> is accepted as the committer, false otherwise.
      42             :                 /// </returns>
      43           1 :                 public bool SetCommitter(object commiter)
      44             :                 {
      45             :                         if (Committer != null)
      46             :                                 return false;
      47             : 
      48             :                         Committer = commiter;
      49             :                         return true;
      50             :                 }
      51             : 
      52             :                 /// <summary>
      53             :                 /// Commits the <see cref="UnitOfWork"/> if the provided <paramref name="commiter"/> is the <see cref="Committer"/>.
      54             :                 /// </summary>
      55             :                 /// <returns>
      56             :                 /// true if the provided <paramref name="commiter"/> is the <see cref="Committer"/>, false otherwise.
      57             :                 /// </returns>
      58           1 :                 public bool Commit(object commiter)
      59             :                 {
      60             :                         if (Committer != commiter)
      61             :                                 return false;
      62             : 
      63             :                         UnitOfWork.Commit();
      64             :                         return true;
      65             :                 }
      66             :         }
      67             : }