internal SqlConditionRelation(SqlCondition cond1,
SqlCondition cond2, SqlLogicOper logicOper)
{
_cond1 = cond1;
_cond2 = cond2;
_logicOper = logicOper;
}
/// <summary>
/// 添加一个条件
/// </summary>
/// <param name="condition">条件</param>
/// <param name="logicOper">与前一个条件的关系</param>
public SqlConditionList AddLogic(SqlCondition condition,
SqlLogicOper logicOper)
{
SqlCondition cond = null;
if (_condList.Count > 0)
{
SqlCondition lastCond = (SqlCondition)
_condList[_condList.Count - 1];
cond = Merge(lastCond, condition, logicOper);
}
else
{
cond = condition;
}
//remove all exit condition
this.Clear(cond);
_condList.Add(cond);
return(this);
}
// 合并两个条件，合二为一。
public static SqlCondition Merge(
SqlCondition cond1, SqlCondition cond2,
SqlLogicOper logicOper)
{
return(new SqlConditionRelation(cond1, cond2, logicOper));
}
