/// <summary>
/// 将 <see cref="SourceInfo" /> 的字符串表示形式转换为它的等效的 <see cref="SourceInfo" />。一个指示转换是否成功的返回值。
/// </summary>
public static bool TryParse(string input, out SourceInfo result)
{
try
{
result = Parse(input);
return(true);
}
catch (Exception)
{
result = null;
return(false);
}
}
private static Envelope <IEvent> Convert(IVersionedEvent @event, SourceInfo sourceInfo,
Envelope <ICommand> command)
{
var envelope = new Envelope <IEvent>(@event,
MD5(string.Format("{0}&{1}", sourceInfo.Id, command.MessageId)));
if (command.Items.ContainsKey(StandardMetadata.TraceInfo))
{
envelope.Items[StandardMetadata.TraceInfo] = command.Items[StandardMetadata.TraceInfo];
}
envelope.Items[StandardMetadata.SourceInfo] = sourceInfo;
envelope.Items[StandardMetadata.CommandInfo] = new SourceInfo(command.MessageId, command.Body.GetType());
return(envelope);
}
public virtual int GetPublishedVersion(SourceInfo sourceInfo)
{
return(0);
}
public virtual void AddOrUpdatePublishedVersion(SourceInfo sourceInfo, int version)
{
}
void IEventPublishedVersionStore.AddOrUpdatePublishedVersion(SourceInfo sourceInfo, int version)
{
AddOrUpdatePublishedVersionToMemory(sourceInfo, version);
AddOrUpdatePublishedVersion(sourceInfo, version);
}
private static bool IsEqual(SourceInfo left, SourceInfo right)
{
return(string.Equals(left.Id, right.Id, StringComparison.CurrentCultureIgnoreCase) &&
left.Type == right.Type);
}
public bool Save(SourceInfo sourceInfo, IEnumerable <IVersionedEvent> events, string correlationId)
{
var set = collection.GetOrAdd(sourceInfo, () => new HashSet <EventCollection>());
return(set.Add(new EventCollection(correlationId, events)));
}