/// <summary>
/// Deserialize the header for the OperationData
/// </summary>
internal void DeserializeContext(
OperationData operationData,
int version,
string traceType)
{
Utility.Assert(
operationData != null,
"{0}: DeserializeContext: Null named operation data during create",
this.TraceType);
Utility.Assert(
operationData.Count > 0,
"{0}:DeserializeContext: Named operation data should have atleast one buffer during create",
this.TraceType);
var headerBufferSPtr = operationData[operationData.Count - 1];
bool isStateProviderDataNull;
using (InMemoryBinaryReader reader = new InMemoryBinaryReader(new MemoryStream(
headerBufferSPtr.Array,
headerBufferSPtr.Offset,
headerBufferSPtr.Count)))
{
this.Version = reader.ReadInt32();
if (this.Version != version)
{
FabricEvents.Events.OnApplyVersionError(traceType, this.Version, version);
throw new NotSupportedException(
string.Format(
CultureInfo.InvariantCulture,
"Unsupported version {0} on deserialization, current version is {1}",
this.Version,
version));
}
this.StateProviderId = reader.ReadInt64();
isStateProviderDataNull = reader.ReadBoolean();
}
// Remove state manager metadata from data.
operationData.RemoveAt(operationData.Count - 1);
this.OperationData = isStateProviderDataNull ? null : operationData;
}