Ejemplo n.º 1
0
 public IEnumerable<ISourcedEvent> GetAllEventsSinceVersion(Guid id, long version)
 {
     FileInfo file = id.GetEventStoreFileInfo(_path);
     if (!file.Exists || GetVersion(id) <= version) yield break;
     try
     {
         id.GetReadLock();
         using (var reader = file.OpenRead())
         {
             var indexBuf = new byte[4];
             reader.Seek(GetEventSourceIndexForVersion(id, version), SeekOrigin.Begin);
             var curVer = version + 1;
             while (reader.Read(indexBuf, 0, 4) == 4)
             {
                 var length = BitConverter.ToInt32(indexBuf, 0);
                 var eventBytes = new byte[length];
                 reader.Read(eventBytes, 0, length);
                 yield return (SourcedEvent)_formatter.Deserialize(eventBytes.ReadStoredEvent(id, curVer++));
             }
         }
     }
     finally
     {
         id.ReleaseReadLock();
     }
 }
Ejemplo n.º 2
0
 private static string GetSnapshotText(Guid eventSourceId, string path)
 {
     try
     {
         eventSourceId.GetReadLock("snapshot");
         var snapshottext = File.ReadAllText(path);
         return snapshottext;
     } finally
     {
         eventSourceId.ReleaseReadLock("snapshot");
     }
 }
Ejemplo n.º 3
0
 public CommittedEventStream ReadFrom(Guid id, Type aggregateRootType, long minVersion, long maxVersion)
 {
     var events = new List<CommittedEvent>();
     FileInfo file = id.GetEventStoreFileInfo(_path);
     if (!file.Exists || GetVersion(id) <= minVersion)
     {
         return new CommittedEventStream(id);
     }
     var version = minVersion;
     if (version < 0)
     {
         version = 0;
     }
     try
     {
         id.GetReadLock();
         using (var reader = file.OpenRead())
         {
             var indexBuf = new byte[4];
             reader.Seek(GetEventSourceIndexForVersion(id, version), SeekOrigin.Begin);
             var curVer = version + 1;
             while ((reader.Read(indexBuf, 0, 4) == 4) && version < maxVersion)
             {
                 var length = BitConverter.ToInt32(indexBuf, 0);
                 var eventBytes = new byte[length];
                 reader.Read(eventBytes, 0, length);
                 var evnt = ReadStoredEvent(eventBytes, id, curVer++);
                 events.Add(evnt);
             }
         }
         return new CommittedEventStream(id, events);
     }
     finally
     {
         id.ReleaseReadLock();
     }
 }