/// <summary>
/// Configures the next frame for a continuation of a polymorphic converter.
/// </summary>
public JsonConverter ResumePolymorphicReEntry()
{
Debug.Assert(PolymorphicSerializationState == PolymorphicSerializationState.PolymorphicReEntrySuspended);
Debug.Assert(PolymorphicJsonTypeInfo is not null);
PolymorphicSerializationState = PolymorphicSerializationState.PolymorphicReEntryStarted;
return(PolymorphicJsonTypeInfo.ConverterBase);
}
public void EndProperty()
{
JsonPropertyInfo = null !;
JsonPropertyNameAsString = null;
PropertyState = StackFramePropertyState.None;
PolymorphicSerializationState = PolymorphicSerializationState.None;
}
/// <summary>
/// Configures the next stack frame for a polymorphic converter.
/// </summary>
public JsonConverter InitializePolymorphicReEntry(JsonTypeInfo derivedJsonTypeInfo)
{
Debug.Assert(PolymorphicSerializationState == PolymorphicSerializationState.None);
PolymorphicJsonTypeInfo = derivedJsonTypeInfo.PropertyInfoForTypeInfo;
PolymorphicSerializationState = PolymorphicSerializationState.PolymorphicReEntryStarted;
return(PolymorphicJsonTypeInfo.ConverterBase);
}
/// <summary>
/// Configures the next stack frame for a polymorphic converter.
/// </summary>
public JsonConverter InitializePolymorphicReEntry(Type runtimeType, JsonSerializerOptions options)
{
Debug.Assert(PolymorphicSerializationState == PolymorphicSerializationState.None);
// For perf, avoid the dictionary lookup in GetOrAddJsonTypeInfo() for every element of a collection
// if the current element is the same type as the previous element.
if (PolymorphicJsonTypeInfo?.PropertyType != runtimeType)
{
JsonTypeInfo typeInfo = options.GetOrAddJsonTypeInfo(runtimeType);
PolymorphicJsonTypeInfo = typeInfo.PropertyInfoForTypeInfo;
}
PolymorphicSerializationState = PolymorphicSerializationState.PolymorphicReEntryStarted;
return(PolymorphicJsonTypeInfo.ConverterBase);
}
public void EndDictionaryEntry()
{
PropertyState = StackFramePropertyState.None;
PolymorphicSerializationState = PolymorphicSerializationState.None;
}
public void EndCollectionElement()
{
PolymorphicSerializationState = PolymorphicSerializationState.None;
}
/// <summary>
/// Updates frame state after a polymorphic converter has returned.
/// </summary>
public void ExitPolymorphicConverter(bool success)
{
PolymorphicSerializationState = success ? PolymorphicSerializationState.None : PolymorphicSerializationState.PolymorphicReEntrySuspended;
}
public void ExitPolymorphicConverter(bool success)
{
Debug.Assert(PolymorphicSerializationState == PolymorphicSerializationState.PolymorphicReEntryStarted);
PolymorphicSerializationState = success ? PolymorphicSerializationState.None : PolymorphicSerializationState.PolymorphicReEntrySuspended;
}
public void EnterPolymorphicConverter()
{
Debug.Assert(PolymorphicSerializationState != PolymorphicSerializationState.PolymorphicReEntryStarted);
PolymorphicSerializationState = PolymorphicSerializationState.PolymorphicReEntryStarted;
}
