public override BaseLogicalExpression ToExpression()
{
BaseLogicalExpression expr = null;
// Check if we need to change value type
object parsedValue = Value;
if (int.TryParse((string)parsedValue, out int intValue))
{
parsedValue = intValue;
}
else
{
// Strip single quotes from value
parsedValue = Value.Replace("'", "");
}
switch (RelationalOperator)
{
case RelationalOperator.EQUAL:
expr = new EqExpr(SimpleAttribute.value, parsedValue);
break;
case RelationalOperator.NOT_EQUAL:
expr = new NeqExpr(SimpleAttribute.value, parsedValue);
break;
case RelationalOperator.GREATER_EQUAL:
expr = new GteExpr(SimpleAttribute.value, parsedValue);
break;
case RelationalOperator.LESS_EQUAL:
expr = new LteExpr(SimpleAttribute.value, parsedValue);
break;
case RelationalOperator.GREATER:
expr = new GtExpr(SimpleAttribute.value, parsedValue);
break;
case RelationalOperator.LESS:
expr = new LtExpr(SimpleAttribute.value, parsedValue);
break;
case RelationalOperator.LIKE:
case RelationalOperator.IS:
throw new NotSupportedException("Operation not supported");
}
return(expr);
}
/// <summary>
/// Creates a MatchOperator with inner Expr and EqExpr for the given fields
/// </summary>
/// <param name="SourceField"></param>
/// <param name="TargetField"></param>
/// <returns></returns>
public static MatchOperator CreateLookupMatch(string SourceField, string TargetField)
{
EqExpr EqOp = new EqExpr($"${SourceField}", $"$${TargetField}");
return(new MatchOperator(new Expr(EqOp)));
}
