public override FieldValue Decode(System.IO.Stream in_Renamed, Group decodeTemplate, Context context, BitVectorReader presenceMapReader)
{
try
{
ScalarValue previousValue = null;
if (operator_Renamed.UsesDictionary())
{
previousValue = context.Lookup(Dictionary, decodeTemplate, Key);
ValidateDictionaryTypeAgainstFieldType(previousValue, type);
}
ScalarValue value_Renamed;
int pmapIndex = presenceMapReader.Index;
if (IsPresent(presenceMapReader))
{
if (context.TraceEnabled)
{
in_Renamed = new RecordingInputStream(in_Renamed);
}
if (!operatorCodec.ShouldDecodeType())
{
return(operatorCodec.DecodeValue(null, null, this));
}
ScalarValue decodedValue = typeCodec.Decode(in_Renamed);
value_Renamed = DecodeValue(decodedValue, previousValue);
if (context.TraceEnabled)
{
context.DecodeTrace.Field(this, value_Renamed, decodedValue, ((RecordingInputStream)in_Renamed).Buffer, pmapIndex);
}
}
else
{
value_Renamed = Decode(previousValue);
}
ValidateDecodedValueIsCorrectForType(value_Renamed, type);
if (!((Operator == Template.Operator.Operator.DELTA) && (value_Renamed == null)))
{
context.Store(Dictionary, decodeTemplate, Key, value_Renamed);
}
return(value_Renamed);
}
catch (FastException e)
{
throw new FastException("Error occurred while decoding " + this, e.Code, e);
}
}
