/// <summary>
/// Converts a UA value to an HDA attribute value.
/// </summary>
/// <param name="session">The session.</param>
/// <param name="attributeId">The attribute id.</param>
/// <param name="values">The values.</param>
/// <param name="index">The index.</param>
/// <returns></returns>
private DaValue GetAttributeValue(Session session, uint attributeId, DataValueCollection values, int index)
{
switch (attributeId)
{
case Constants.OPCHDA_DATA_TYPE:
{
DaValue result = new DaValue();
DataValue value = values[index];
// check for valid node.
if (StatusCode.IsBad(value.StatusCode))
{
result.Error = ResultIds.E_UNKNOWNITEMID;
return(result);
}
// covert to var type.
NodeId dataTypeId = value.GetValue <NodeId>(DataTypeIds.BaseDataType);
int valueRank = values[index + 1].GetValue <int>(ValueRanks.Scalar);
BuiltInType builtInType = DataTypes.GetBuiltInType(dataTypeId, session.TypeTree);
TypeInfo typeInfo = new TypeInfo(builtInType, valueRank);
short varType = (short)ComUtils.GetVarType(typeInfo);
result.Value = varType;
result.Quality = ComUtils.GetQualityCode(value.StatusCode);
result.Timestamp = value.ServerTimestamp;
result.Error = ResultIds.S_OK;
return(result);
}
case Constants.OPCHDA_DESCRIPTION:
{
DataValue value = values[index];
if (value.StatusCode == StatusCodes.BadAttributeIdInvalid)
{
DaValue result = new DaValue();
result.Error = ResultIds.E_INVALIDATTRID;
return(result);
}
return(m_mapper.GetLocalDataValue(value));
}
default:
{
return(ComHdaProxy.GetAttributeValue(session, m_mapper, attributeId, values[index]));
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="ComHdaBrowser"/> class.
/// </summary>
/// <param name="server">The server.</param>
/// <param name="browseManager">The browse manager.</param>
public ComHdaBrowser(ComHdaProxy server, ComDaBrowseManager browseManager)
{
m_server = server;
m_browseManager = browseManager;
}
