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.Linq.Expressions;
      11             : using Cqrs.Events;
      12             : using Cqrs.MongoDB.DataStores.Indexes;
      13             : 
      14             : namespace Cqrs.MongoDB.Events.Indexes
      15             : {
      16             :         /// <summary>
      17             :         /// A <see cref="MongoDbIndex{TEntity}"/> for <see cref="EventData.AggregateId"/> and <see cref="EventData.Version"/>.
      18             :         /// </summary>
      19             :         public class ByAggregateIdAndVersionMongoDbIndex : MongoDbIndex<MongoDbEventData>
      20           1 :         {
      21             :                 /// <summary>
      22             :                 /// Instantiate a new instance of <see cref="ByAggregateIdAndVersionMongoDbIndex"/>.
      23             :                 /// </summary>
      24           1 :                 public ByAggregateIdAndVersionMongoDbIndex()
      25             :                 {
      26             :                         Selectors = new Expression<Func<MongoDbEventData, object>>[]
      27             :                         {
      28             :                                 entity => entity.AggregateId,
      29             :                                 entity => entity.Version
      30             :                         };
      31             : 
      32             :                         IsUnique = true;
      33             :                 }
      34             :         }
      35             : }