public override string ToString()
{
string result;
switch (Mode_)
{
case Mode.Phase:
return("Phase: " + Phase + (Completed ? " (completed)" : ""));
case Mode.Position:
result = Position.ToString();
break;
case Mode.PreparePosition:
result = PreparePosition.ToString();
break;
case Mode.Stream:
result = Streams.Keys.First() + ": " + Streams.Values.First();
break;
case Mode.MultiStream:
case Mode.EventTypeIndex:
var sb = new StringBuilder();
if (Mode_ == Mode.EventTypeIndex)
{
sb.Append(Position.ToString());
sb.Append("; ");
}
foreach (var stream in Streams)
{
sb.AppendFormat("{0}: {1}; ", stream.Key, stream.Value);
}
result = sb.ToString();
break;
case Mode.ByStream:
result = string.Format(
"{0}:{1}/{2}:{3}/{4}", CatalogStream, CatalogPosition, DataStream, DataPosition,
CommitPosition);
break;
default:
return("Unsupported mode: " + Mode_.ToString());
}
if (Phase == 0)
{
return(result);
}
else
{
return("(" + Phase + ") " + result);
}
}
public void WriteTo(ProjectionVersion projectionVersion,
IEnumerable <KeyValuePair <string, JToken> > extraMetaData, JsonWriter jsonWriter)
{
jsonWriter.WriteStartObject();
if (projectionVersion.ProjectionId > 0)
{
jsonWriter.WritePropertyName("$v");
WriteVersion(projectionVersion, jsonWriter);
}
if (Phase != 0)
{
jsonWriter.WritePropertyName("$ph");
jsonWriter.WriteValue(Phase);
}
switch (Mode_)
{
case Mode.Phase:
jsonWriter.WritePropertyName("$cp");
jsonWriter.WriteValue(Completed);
break;
case Mode.Position:
case Mode.EventTypeIndex:
jsonWriter.WritePropertyName("$c");
jsonWriter.WriteValue(CommitPosition.GetValueOrDefault());
jsonWriter.WritePropertyName("$p");
jsonWriter.WriteValue(PreparePosition.GetValueOrDefault());
if (Mode_ == Mode.EventTypeIndex)
{
goto case Mode.MultiStream;
}
break;
case Mode.PreparePosition:
jsonWriter.WritePropertyName("$p");
jsonWriter.WriteValue(PreparePosition.GetValueOrDefault());
break;
case Mode.Stream:
case Mode.MultiStream:
jsonWriter.WritePropertyName("$s");
jsonWriter.WriteStartObject();
foreach (var stream in Streams)
{
jsonWriter.WritePropertyName(stream.Key);
jsonWriter.WriteValue(stream.Value);
}
jsonWriter.WriteEndObject();
break;
case Mode.ByStream:
jsonWriter.WritePropertyName("$m");
jsonWriter.WriteValue("bs");
jsonWriter.WritePropertyName("$c");
jsonWriter.WriteValue(CommitPosition.GetValueOrDefault());
jsonWriter.WritePropertyName("$s");
jsonWriter.WriteStartArray();
jsonWriter.WriteStartObject();
jsonWriter.WritePropertyName(CatalogStream);
jsonWriter.WriteValue(CatalogPosition);
jsonWriter.WriteEndObject();
if (!string.IsNullOrEmpty(DataStream))
{
jsonWriter.WriteStartObject();
jsonWriter.WritePropertyName(DataStream);
jsonWriter.WriteValue(DataPosition);
jsonWriter.WriteEndObject();
}
jsonWriter.WriteEndArray();
break;
}
if (extraMetaData != null)
{
foreach (var pair in extraMetaData)
{
jsonWriter.WritePropertyName(pair.Key);
pair.Value.WriteTo(jsonWriter);
}
}
jsonWriter.WriteEndObject();
}
