private void GetTypeAndValue(out DAE.Schema.IDataType LType, out object LValue)
{
LType = null;
LValue = null;
var interfaceValue = FindParent(typeof(IInterface)) as IInterface;
if (interfaceValue == null || String.IsNullOrEmpty(_keyName) || !interfaceValue.UserState.ContainsKey(_keyName))
{
// Get from the default value by parsing
var expression = new Alphora.Dataphor.DAE.Language.D4.Parser().ParseExpression(_defaultValue);
if (!(expression is ValueExpression))
{
throw new ClientException(ClientException.Codes.ValueExpressionExpected);
}
var process = HostNode.Session.DataSession.UtilityProcess;
var source = (ValueExpression)expression;
switch (source.Token)
{
case TokenType.Boolean:
LType = process.DataTypes.SystemBoolean;
LValue = (bool)source.Value;
break;
case TokenType.Decimal:
LType = process.DataTypes.SystemDecimal;
LValue = (decimal)source.Value;
break;
case TokenType.Integer:
LType = process.DataTypes.SystemInteger;
LValue = (int)source.Value;
break;
case TokenType.Money:
LType = process.DataTypes.SystemMoney;
LValue = (decimal)source.Value;
break;
case TokenType.Nil:
LType = process.DataTypes.SystemNilGeneric;
LValue = null;
break;
case TokenType.String:
LType = process.DataTypes.SystemString;
LValue = (string)source.Value;
break;
}
}
else
{
// Get from user state
LValue = interfaceValue.UserState[_keyName];
LType = LValue == null ? null : DataSession.ScalarTypeFromNativeType(HostNode.Session.DataSession.UtilityProcess, LValue.GetType());
}
}