internal byte[] Serialize(object value)
{
if (value == Unset.Value)
{
if (!_protocolVersion.SupportsUnset())
{
throw new InvalidTypeException("Unset is not supported by this Cassandra version");
}
//Return a buffer that represents the value Unset
return(UnsetBuffer);
}
if (value == null)
{
return(null);
}
var type = value.GetType();
ITypeSerializer typeSerializer;
if (_primitiveSerializers.TryGetValue(type, out typeSerializer))
{
return(typeSerializer.Serialize((byte)_protocolVersion, value));
}
if (_customSerializers.Count > 0 && _customSerializers.TryGetValue(type, out typeSerializer))
{
return(typeSerializer.Serialize((byte)_protocolVersion, value));
}
if (typeof(IEnumerable).GetTypeInfo().IsAssignableFrom(type))
{
if (typeof(IDictionary).GetTypeInfo().IsAssignableFrom(type))
{
return(_dictionarySerializer.Serialize((byte)_protocolVersion, (IDictionary)value));
}
return(_collectionSerializer.Serialize((byte)_protocolVersion, (IEnumerable)value));
}
if (typeof(IStructuralComparable).GetTypeInfo().IsAssignableFrom(type) && type.FullName.StartsWith("System.Tuple"))
{
return(_tupleSerializer.Serialize((byte)_protocolVersion, (IStructuralEquatable)value));
}
var buffer = _udtSerializer.Serialize((byte)_protocolVersion, value);
if (buffer != null)
{
return(buffer);
}
throw new InvalidTypeException("Unknown Cassandra target type for CLR type " + type.FullName);
}