/// <summary>
/// 递归解析组，即将Searcher对象中的条件，按照他们的组别进行里外层的组划分，好为条件添加括号来判定他们的执行顺序
/// </summary>
/// <param name="searcher">需要解析的查询对象</param>
/// <param name="mainGroup">用于返回排好层级的条件组，并填充好各级的条件对象</param>
/// <param name="sortColumnList">用于返回所有需要排序的字段</param>
protected void ParseGroup(Searcher searcher, ConditionGroup mainGroup, List <SearchColumn> sortColumnList)
{
if (searcher == null)
{
return;
}
IList <SearchColumn> conditionColumnList = searcher.ConditionColumnList;
IList <Searcher> relationSearcherList = searcher.RelationSearcherList;
IEnumerable <ConditionGroup> mainSubGroupList = mainGroup.SubGroup;
IList <Condition> mainConditionList = mainGroup.ConditionCollection;
ConditionGroup rootGroup = null;
IList <Condition> conditionList = null;
foreach (SearchColumn column in conditionColumnList)
{
if (column.SortOrder != SortOrder.None)
{
sortColumnList.Add(column);
}
if (column.ConditionCollection.Count == 0)
{
continue;
}
conditionList = column.ConditionCollection;
foreach (Condition condition in conditionList)
{
if (condition.Group == null)
{
mainConditionList.Add(condition);
continue;
}
rootGroup = this.GetRootGroup(condition.Group);
if (!mainGroup.GroupId.Equals(rootGroup.GroupId) && !mainSubGroupList.Contains(rootGroup))
{
mainGroup.AddSubGroup(rootGroup);
}
}
}
if (rootGroup == null)
{
rootGroup = mainGroup;
}
foreach (Searcher relationSearcher in relationSearcherList)
{
this.ParseGroup(relationSearcher, rootGroup, sortColumnList);
}
}
private static ConditionGroup AddCondition(ConditionRelation relation, ICondition condition1, ICondition condition2, params ICondition[] conditions)
{
ConditionGroup newGroup = new ConditionGroup();
List <ICondition> conditionList = new List <ICondition>();
conditionList.Add(condition1);
conditionList.Add(condition2);
if (conditions != null)
{
conditionList.AddRange(conditions);
}
Condition paramCondition = null;
ConditionGroup conditionGroup = null;
int groupIndex = 1;
int conditionIndex = 1;
foreach (ICondition con in conditionList)
{
if (con is ConditionGroup)
{
conditionGroup = (ConditionGroup)con;
conditionGroup.GroupIndex = groupIndex;
conditionGroup.GroupRelation = relation;
newGroup.AddSubGroup(conditionGroup);
groupIndex++;
}
else if (con is Condition)
{
paramCondition = (Condition)con;
paramCondition.Index = conditionIndex;
paramCondition.Group = newGroup;
paramCondition.Relation = relation;
conditionIndex++;
}
}
return(newGroup);
}
/// <summary>
/// 递归解析组，即将Searcher对象中的条件，按照他们的组别进行里外层的组划分，好为条件添加括号来判定他们的执行顺序
/// </summary>
/// <param name="searcher">需要解析的查询对象</param>
/// <param name="mainGroup">用于返回排好层级的条件组，并填充好各级的条件对象</param>
/// <param name="sortColumnList">用于返回所有需要排序的字段</param>
protected void ParseGroup(Searcher searcher, ConditionGroup mainGroup, List<SearchColumn> sortColumnList)
{
if (searcher == null)
{
return;
}
IList<SearchColumn> conditionColumnList = searcher.ConditionColumnList;
IList<Searcher> relationSearcherList = searcher.RelationSearcherList;
IEnumerable<ConditionGroup> mainSubGroupList = mainGroup.SubGroup;
IList<Condition> mainConditionList = mainGroup.ConditionCollection;
ConditionGroup rootGroup = null;
IList<Condition> conditionList = null;
foreach (SearchColumn column in conditionColumnList)
{
if (column.SortOrder != SortOrder.None)
{
sortColumnList.Add(column);
}
if (column.ConditionCollection.Count == 0)
{
continue;
}
conditionList = column.ConditionCollection;
foreach (Condition condition in conditionList)
{
if (condition.Group == null)
{
mainConditionList.Add(condition);
continue;
}
rootGroup = this.GetRootGroup(condition.Group);
if (!mainGroup.GroupId.Equals(rootGroup.GroupId) && !mainSubGroupList.Contains(rootGroup))
{
mainGroup.AddSubGroup(rootGroup);
}
}
}
if(rootGroup == null)
{
rootGroup = mainGroup;
}
foreach (Searcher relationSearcher in relationSearcherList)
{
this.ParseGroup(relationSearcher, rootGroup, sortColumnList);
}
}