public LogicalCalculationQueryExpression(QueryExpression leftQueryExpression, QueryExpression rightQueryExpression, LogicalCalculationEnum logicalCalculationEnum) : base(leftQueryExpression, rightQueryExpression) //int logicalCalculation
{
if (null == leftQueryExpression || null == rightQueryExpression)
{
throw new ArgumentNullException("The leftQueryExpression and rightQueryExpression can't be null!");
}
this._logicalCalculationEnum = logicalCalculationEnum;
this._logicalCalculation = (int)logicalCalculationEnum;
}
private static QueryExpression LogicalCalculation(QueryExpression left, QueryExpression right, LogicalCalculationEnum logicalCalculationEnum)
{
QueryExpression queryExpression = null;
if (logicalCalculationEnum == LogicalCalculationEnum.And)
{
queryExpression = new LogicalCalculationQueryExpression(left, right, LogicalCalculationEnum.And);
}
else if (logicalCalculationEnum == LogicalCalculationEnum.Or)
{
queryExpression = new LogicalCalculationQueryExpression(left, right, LogicalCalculationEnum.Or);
}
return(queryExpression);
}
public static LogicalCalculationQueryExpression CreateLogicalCalculationQueryExpression(QueryExpression left, QueryExpression right, LogicalCalculationEnum logicalCalculationEnum)
{
LogicalCalculationQueryExpression logicalCalculationQueryExpression = new LogicalCalculationQueryExpression(left, right, logicalCalculationEnum);
return(logicalCalculationQueryExpression);
}
