public SubQuery(List <FieldQuery> oFieldQueries, OperatorType oOperatorType)
{
switch (oFieldQueries.Capacity)
{
case 1:
foreach (FieldQuery QryExp in oFieldQueries)
{
_StartExpression += QryExp.Expression;
}
break;
default:
FieldQuery oLastQueryExp = oFieldQueries.Last <FieldQuery>();
foreach (FieldQuery QryExp in oFieldQueries)
{
if (!QryExp.Equals(oLastQueryExp))
{
_StartExpression += QryExp.ExpressionOpearator.StartTag;
_StartExpression += QryExp.Expression;
_EndExpression += QryExp.ExpressionOpearator.EndTag;
}
else
{
_StartExpression += QryExp.Expression;
}
}
break;
}
_Expression += _StartExpression;
_Expression += _EndExpression;
QBOperator oOperator = new QBOperator(oOperatorType);
_ExpressionOpearator = oOperator;
}
/// <summary>
/// oField for field details, like internalName, Value, and DataType
/// oOperationType for same field opeartion, ex eq, neq etc
/// oOperatorType for next field operator, ex And or
/// </summary>
/// <param name="oField"></param>
/// <param name="oOperationType"></param>
/// <param name="oOperatorType"></param>
public FieldQuery(QBField oField, OperationType oOperationType, OperatorType oOperatorType)
{
QBOperation oOperation = new QBOperation(oOperationType);
if (oOperationType == OperationType.IsNull || oOperationType == OperationType.IsNotNull)
{
_Expression = string.Format("{0}{1}{2}", oOperation.StartTag, oField.NullExpression, oOperation.EndTag);
}
else
{
_Expression = string.Format("{0}{1}{2}", oOperation.StartTag, oField.Expression, oOperation.EndTag);
}
QBOperator oOperator = new QBOperator(oOperatorType);
_ExpressionOpearator = oOperator;
}
