/// <summary>
/// Creates a new <see cref="CpStateVariable"/> instance.
/// </summary>
/// <param name="connection">Device connection instance which attends the connection with the server side.</param>
/// <param name="parentService">Instance of the service which contains the new state variable.</param>
/// <param name="name">Name of the state variable.</param>
/// <param name="dataType">Data type of the state variable.</param>
public CpStateVariable(DeviceConnection connection, CpService parentService, string name, CpDataType dataType)
{
_connection = connection;
_parentService = parentService;
_name = name;
_dataType = dataType;
}
/// <summary>
/// Creates a new <see cref="CpStateVariable"/> instance.
/// </summary>
/// <param name="connection">Device connection instance which attends the connection with the server side.</param>
/// <param name="parentService">Instance of the service which contains the new state variable.</param>
/// <param name="name">Name of the state variable.</param>
/// <param name="dataType">Data type of the state variable.</param>
public CpStateVariable(DeviceConnection connection, CpService parentService, string name, CpDataType dataType)
{
_connection = connection;
_parentService = parentService;
_name = name;
_dataType = dataType;
}
internal static CpStateVariable ConnectStateVariable(DeviceConnection connection, CpService parentService,
XPathNavigator svIt, IXmlNamespaceResolver nsmgr, DataTypeResolverDlgt dataTypeResolver)
{
string name = ParserHelper.SelectText(svIt, "s:name/text()", nsmgr);
XPathNodeIterator dtIt = svIt.Select("s:dataType", nsmgr);
if (!dtIt.MoveNext())
{
throw new ArgumentException("Error evaluating data type element");
}
CpDataType dataType = CpDataType.CreateDataType(dtIt.Current, nsmgr, dataTypeResolver);
CpStateVariable result = new CpStateVariable(connection, parentService, name, dataType);
XPathNodeIterator dvIt = svIt.Select("s:defaultValue", nsmgr);
if (dvIt.MoveNext())
{
XmlReader reader = dvIt.Current.ReadSubtree();
reader.MoveToContent();
result.DefaultValue = dataType.SoapDeserializeValue(reader, true); // Default value is always simple value (see DevArch)
}
XPathNodeIterator avlIt = svIt.Select("s:allowedValueList/s:allowedValue", nsmgr);
if (avlIt.Count > 0)
{
IList <string> allowedValueList = new List <string>();
while (avlIt.MoveNext())
{
allowedValueList.Add(ParserHelper.SelectText(avlIt.Current, "text()", null));
}
result.AllowedValueList = allowedValueList;
}
XPathNodeIterator avrIt = svIt.Select("s:allowedValueRange", nsmgr);
if (avrIt.MoveNext())
{
result.AllowedValueRange = CpAllowedValueRange.CreateAllowedValueRange(avrIt.Current, nsmgr);
}
return(result);
}
