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 System;
      10             : using System.Collections.Generic;
      11             : using Akka.Actor;
      12             : using Cqrs.Akka.Domain.Commands;
      13             : using Cqrs.Commands;
      14             : using Cqrs.Domain;
      15             : using Cqrs.Events;
      16             : 
      17             : namespace Cqrs.Akka.Domain
      18             : {
      19             :         /// <summary>
      20             :         /// A remote proxy to an <see cref="ISaga{TAuthenticationToken}"/>.
      21             :         /// </summary>
      22             :         /// <typeparam name="TAuthenticationToken">The <see cref="Type"/> of authentication token.</typeparam>
      23             :         /// <typeparam name="TSaga">The <see cref="Type"/> of <see cref="ISaga{TAuthenticationToken}"/>.</typeparam>
      24             :         public class AkkaSagaProxy<TAuthenticationToken, TSaga>
      25             :                 : IAkkaSagaProxy<TSaga>
      26             :                 , ISaga<TAuthenticationToken>
      27             :                 // TODO think about if this is necessary again.
      28             :                 // where TSaga : ISaga<TAuthenticationToken>
      29           1 :         {
      30             :                 /// <summary>
      31             :                 /// Gets the <see cref="IActorRef"/>.
      32             :                 /// </summary>
      33             :                 public IActorRef ActorReference { get; internal set; }
      34             : 
      35             :                 /// <summary>
      36             :                 /// Gets the <typeparamref name="TSaga"/>.
      37             :                 /// </summary>
      38             :                 public TSaga Saga { get; protected set; }
      39             : 
      40             :                 #region Implementation of ISaga<TAuthenticationToken>
      41             : 
      42             :                 /// <summary>
      43             :                 /// The identifier of the <see cref="ISaga{TAuthenticationToken}"/>.
      44             :                 /// </summary>
      45             :                 public virtual Guid Id
      46             :                 {
      47             :                         get { return ActorReference.Ask<Guid>(new GetAkkaSagaId()).Result; }
      48             :                 }
      49             : 
      50             :                 /// <summary>
      51             :                 /// The current version of this <see cref="ISaga{TAuthenticationToken}"/>.
      52             :                 /// </summary>
      53             :                 public virtual int Version
      54             :                 {
      55             :                         get { return ActorReference.Ask<int>(new GetAkkaSagaVersion()).Result; }
      56             :                 }
      57             : 
      58             :                 /// <summary>
      59             :                 /// Get all applied changes that haven't yet been committed.
      60             :                 /// </summary>
      61           1 :                 public virtual IEnumerable<ISagaEvent<TAuthenticationToken>> GetUncommittedChanges()
      62             :                 {
      63             :                         return ((ISaga<TAuthenticationToken>)Saga).GetUncommittedChanges();
      64             :                 }
      65             : 
      66             :                 /// <summary>
      67             :                 /// Mark all applied changes as committed, increment <see cref="Version"/> and flush the internal collection of changes.
      68             :                 /// </summary>
      69           1 :                 public virtual void MarkChangesAsCommitted()
      70             :                 {
      71             :                         ((ISaga<TAuthenticationToken>)Saga).MarkChangesAsCommitted();
      72             :                 }
      73             : 
      74             :                 /// <summary>
      75             :                 /// Apply all the <see cref="IEvent{TAuthenticationToken}">events</see> in <paramref name="history"/>
      76             :                 /// using event replay to this instance.
      77             :                 /// </summary>
      78           1 :                 public virtual void LoadFromHistory(IEnumerable<ISagaEvent<TAuthenticationToken>> history)
      79             :                 {
      80             :                         ((ISaga<TAuthenticationToken>)Saga).LoadFromHistory(history);
      81             :                 }
      82             : 
      83             :                 /// <summary>
      84             :                 /// Get all pending commands that haven't yet been published yet.
      85             :                 /// </summary>
      86           1 :                 public IEnumerable<ICommand<TAuthenticationToken>> GetUnpublishedCommands()
      87             :                 {
      88             :                         return ((ISaga<TAuthenticationToken>)Saga).GetUnpublishedCommands();
      89             :                 }
      90             : 
      91             :                 /// <summary>
      92             :                 /// Mark all published commands as published and flush the internal collection of commands.
      93             :                 /// </summary>
      94           1 :                 public void MarkCommandsAsPublished()
      95             :                 {
      96             :                         ((ISaga<TAuthenticationToken>) Saga).MarkCommandsAsPublished();
      97             :                 }
      98             : 
      99             :                 #endregion
     100             :         }
     101             : }