/// <summary>
/// 用XmlElement的信息构造SqlElement类的对象（或继承自SqlElement类的对象）。
/// </summary>
/// <param name="sqlNode">SqlElement类的对象（或继承自SqlElement类的对象）</param>
/// <param name="xmlParent">XmlDocument中的元素</param>
/// <param name="xnm">集合命名空间范围管理类的对象</param>
public virtual void FromXml(SqlElement sqlNode, XmlElement xmlParent, XmlNamespaceManager xnm)
{
ParserUtil util = new ParserUtil(xnm);
XmlElement xmlId = util.Child(xmlParent, ID);
XmlElement xmlVersion = util.Child(xmlParent, VERSION);
//sqlNode.Id = xmlId.InnerText;
//sqlNode.Version = xmlVersion.InnerText;
XmlElement xmlChildList = util.Child(xmlParent, CHILDCOLLECTION);
if (xmlChildList != null)
{
XmlNodeList childNodeList = util.Children(xmlChildList, SQLELEMENT);
if (childNodeList != null)
{
sqlNode.CreateChildCollection();
foreach (XmlElement xmlChildNode in childNodeList)
{
//// 通过反射构造对象。
//string fullname = util.AttrStr(xmlChildNode, CLASSFULLNAME);
//Assembly ass = Assembly.GetExecutingAssembly();
//SqlElement node = ass.CreateInstance(fullname) as SqlElement;
int sqlElementType = util.AttrInt(xmlChildNode, SQLELEMENTTYPE);
SqlElement node = SqlElementFactory.GetSQLElement(sqlElementType);
node.FromXml(node, xmlChildNode, xnm);
sqlNode.ChildCollection.Add(node);
}
}
}
}
/// <summary>
/// 由XmlElement转换成SqlElement
/// </summary>
/// <param name="sqlElement">附加到的SqlElement</param>
/// <param name="xmlParent">反序列化的XmlElement</param>
/// <param name="xnm">命名空间</param>
public override void FromXml(SqlElement sqlElement, XmlElement xmlParent, XmlNamespaceManager xnm)
{
base.FromXml(sqlElement, xmlParent, xnm);
SubQuerySqlStatement selectSql = sqlElement as SubQuerySqlStatement;
ParserUtil util = new ParserUtil(xnm);
XmlElement xmlSelectList = util.Child(xmlParent, SelectFieldListStatement.SELECTLISTSTATEMENT);
XmlElement xmlFrom = util.Child(xmlParent, From.FROM);
XmlElement xmlJoinCondition = util.Child(xmlParent, JoinConditionStatement.JOINCONDITIONSTATEMENT);
XmlElement xmlFilterCondition = util.Child(xmlParent, FILTERCONDITION);
XmlElement xmlOrderByCondition = util.Child(xmlParent, ORDERBYCONDITION);
selectSql.SelectList.FromXml(selectSql.SelectList, xmlSelectList, xnm);
selectSql.From.FromXml(selectSql.From, xmlFrom, xnm);
selectSql.JoinCondition.FromXml(selectSql.JoinCondition, xmlJoinCondition, xnm);
selectSql.FilterCondition.FromXml(selectSql.FilterCondition, xmlFilterCondition, xnm);
selectSql.OrderByCondition.FromXml(selectSql.OrderByCondition, xmlOrderByCondition, xnm);
/*
* MainFromItem只序列化，不反序列化。
* 其反序列化操作已包含在Froms的集合中，直接从集合中取即可。
* */
selectSql.mainFromItem = this.From.ChildCollection[0] as FromItem;
}
public override void FromXml(SqlElement sqlNode, XmlElement xmlParent, XmlNamespaceManager xnm)
{
base.FromXml(sqlNode, xmlParent, xnm);
SqlStatement sqlStatement = sqlNode as SqlStatement;
ParserUtil util = new ParserUtil(xnm);
XmlElement xmlTableName = util.Child(xmlParent, TABLENAME);
XmlElement xmlTableCode = util.Child(xmlParent, TABLECODE);
XmlElement xmlCOID = util.Child(xmlParent, COMMONOBJECTID);
XmlElement xmlNodeObjectID = util.Child(xmlParent, NODEOBJECTID);
XmlElement xmlCOVersion = util.Child(xmlParent, COMMONOBJECTVERSION);
XmlElement xmlNodeObjectVersion = util.Child(xmlParent, NODEOBJECTVERSION);
sqlStatement.TableName = xmlTableName.InnerText;
sqlStatement.TableCode = xmlTableCode.InnerText;
sqlStatement.CommonObjectID = xmlCOID.InnerText;
sqlStatement.NodeID = xmlNodeObjectID.InnerText;
//sqlStatement.CommonObjectVersion = xmlCOVersion.InnerText;
//sqlStatement.NodeVersion = xmlNodeObjectVersion.InnerText;
XmlElement xmlPrimaryKeyField = util.Child(xmlParent, SqlPrimaryKey.SQLPRIMARYKEY);
sqlStatement.PrimaryKeys.FromXml(sqlStatement.PrimaryKeys, xmlPrimaryKeyField, xnm);
}
public override void FromXml(SqlElement sqlElement, XmlElement xmlParent, XmlNamespaceManager xnm)
{
base.FromXml(sqlElement, xmlParent, xnm);
SelectListField selectListField = sqlElement as SelectListField;
ParserUtil util = new ParserUtil(xnm);
XmlElement xmlFieldAlias = util.Child(xmlParent, FIELDALIAS);
selectListField.FieldAlias = xmlFieldAlias.InnerText;
}
/// <summary>
/// 用XmlElement的信息构造SqlNode类的对象（或继承自SqlNode类的对象）。
/// </summary>
/// <param name="sqlElement">SqlNode类的对象（或继承自SqlNode类的对象）</param>
/// <param name="xmlParent">XmlDocument中的元素</param>
/// <param name="xnm">集合命名空间范围管理类的对象</param>
public override void FromXml(SqlElement sqlElement, XmlElement xmlParent, XmlNamespaceManager xnm)
{
base.FromXml(sqlElement, xmlParent, xnm);
FromItem fromItem = sqlElement as FromItem;
ParserUtil util = new ParserUtil(xnm);
XmlElement xmlTable = util.Child(xmlParent, SqlTable.TABLE);
fromItem.Table.FromXml(fromItem.Table, xmlTable, xnm);
}
/// <summary>
/// 转换成Insert语句
/// </summary>
/// <param name="sqlElement">SQL元素</param>
/// <param name="xmlParent">XML父节点元素</param>
/// <param name="xnm">集合命名空间范围管理类的对象</param>
public override void FromXml(SqlElement sqlElement, XmlElement xmlParent, XmlNamespaceManager xnm)
{
base.FromXml(sqlElement, xmlParent, xnm);
var xnm2 = new XmlNamespaceManager(xmlParent.OwnerDocument.NameTable);
InsertSqlStaMSS insertSql = sqlElement as InsertSqlStaMSS;
ParserUtil util = new ParserUtil(xnm);
XmlElement xmlInsertFields = util.Child(xmlParent, InsertFieldList.INSERTFIELDLIST);
//XmlElement xmlInsertValues = util.Child(xmlParent, InsertValueList.INSERTVALUELIST);
insertSql.InsertFields.FromXml(insertSql.InsertFields, xmlInsertFields, xnm);
//insertSql.InsertValues.FromXml(insertSql.InsertValues, xmlInsertValues, xnm);
}
public override void FromXml(SqlElement sqlElement, XmlElement xmlParent, XmlNamespaceManager xnm)
{
base.FromXml(sqlElement, xmlParent, xnm);
JoinConditionItem joinConditionItem = sqlElement as JoinConditionItem;
ParserUtil util = new ParserUtil(xnm);
XmlElement xmlLeftField = util.Child(xmlParent, LEFTFIELD);
joinConditionItem.LeftField.FromXml(joinConditionItem.LeftField, xmlLeftField, xnm);
XmlElement xmlRightField = util.Child(xmlParent, RIGHTFIELD);
joinConditionItem.RightField.FromXml(joinConditionItem.RightField, xmlRightField, xnm);
}
public override void FromXml(SqlElement sqlElement, XmlElement xmlParent, XmlNamespaceManager xnm)
{
base.FromXml(sqlElement, xmlParent, xnm);
LeftJoinItem leftJoinItem = sqlElement as LeftJoinItem;
ParserUtil util = new ParserUtil(xnm);
XmlElement xmlLeftJoinTable = util.Child(xmlParent, LEFTJOINTABLE);
leftJoinItem.LeftJoinTable.FromXml(leftJoinItem.LeftJoinTable, xmlLeftJoinTable, xnm);
XmlElement xmlAddtionalCondition = util.Child(xmlParent, ADDITIONALCONDITION);
leftJoinItem.AdditionalCondition = xmlAddtionalCondition.InnerText;
}
public override void FromXml(SqlElement sqlElement, XmlElement xmlParent, XmlNamespaceManager xnm)
{
base.FromXml(sqlElement, xmlParent, xnm);
UpdateSqlStatement updateSql = sqlElement as UpdateSqlStatement;
ParserUtil util = new ParserUtil(xnm);
XmlElement xmlUpdateFields = util.Child(xmlParent, UpdateFieldList.UPDATEFIELDLIST);
updateSql.UpdateFields.FromXml(updateSql.UpdateFields, xmlUpdateFields, xnm);
XmlElement xmlUpdateCondition = util.Child(xmlParent, UPDATECONDITION);
updateSql.UpdateCondition.FromXml(updateSql.UpdateCondition, xmlUpdateCondition, xnm);
}
public override void FromXml(SqlElement sqlElement, XmlElement xmlParent, XmlNamespaceManager xnm)
{
base.FromXml(sqlElement, xmlParent, xnm);
DeleteSqlStatement deleteSql = sqlElement as DeleteSqlStatement;
ParserUtil util = new ParserUtil(xnm);
XmlElement xmlCondition = util.Child(xmlParent, ConditionStatement.CONDITIONSTATEMENT);
deleteSql.Condition.FromXml(deleteSql.Condition, xmlCondition, xnm);
XmlElement xmlSubQuerySql = util.Child(xmlParent, SUBQUERYSQL);
if (xmlSubQuerySql != null)
{
deleteSql.SubQuerySql = new SelectSqlForSubQuery();
deleteSql.SubQuerySql.FromXml(deleteSql.SubQuerySql, xmlSubQuerySql, xnm);
}
}
/// <summary>
/// 转换成Insert语句
/// </summary>
/// <param name="sqlNode">SQL元素</param>
/// <param name="xmlParent">XML父节点元素</param>
/// <param name="xnm">集合命名空间范围管理类的对象</param>
public override void FromXml(SqlElement sqlNode, XmlElement xmlParent, XmlNamespaceManager xnm)
{
base.FromXml(sqlNode, xmlParent, xnm);
Field field = sqlNode as Field;
ParserUtil util = new ParserUtil(xnm);
XmlElement xmlTable = util.Child(xmlParent, SqlTable.TABLE);
if (xmlTable != null)
{
field.Table.FromXml(field.Table, xmlTable, xnm);
}
XmlElement xmlFieldName = util.Child(xmlParent, FIELDNAME);
XmlElement xmlIsUseFieldPrefix = util.Child(xmlParent, ISUSEFIELDPREFIX);
field.FieldName = xmlFieldName.InnerText;
field.IsUseFieldPrefix = bool.Parse(xmlIsUseFieldPrefix.InnerText);
}
public override void FromXml(SqlElement sqlElement, XmlElement xmlParent, XmlNamespaceManager xnm)
{
base.FromXml(sqlElement, xmlParent, xnm);
ParserUtil util = new ParserUtil(xnm);
XmlElement tableNameElement = util.Child(xmlParent, TABLENAME);
XmlElement tableAliasElement = util.Child(xmlParent, TABLEALIAS);
XmlElement realTableNameElement = util.Child(xmlParent, REALTABLENAME);
if (tableNameElement != null)
{
(sqlElement as SqlTable).TableName = tableNameElement.InnerText;
}
if (tableAliasElement != null)
{
(sqlElement as SqlTable).TableAlias = tableAliasElement.InnerText;
}
if (realTableNameElement != null)
{
(sqlElement as SqlTable).RealTableName = realTableNameElement.InnerText;
}
}
public override void FromXml(SqlElement sqlElement, XmlElement xmlParent, XmlNamespaceManager xnm)
{
base.FromXml(sqlElement, xmlParent, xnm);
SelectSqlForSubQuery subQuery = sqlElement as SelectSqlForSubQuery;
ParserUtil util = new ParserUtil(xnm);
XmlElement xmlFrom = util.Child(xmlParent, From.FROM);
XmlElement xmlJoinCondition = util.Child(xmlParent, JoinConditionStatement.JOINCONDITIONSTATEMENT);
XmlElement xmlCondition = util.Child(xmlParent, ConditionStatement.CONDITIONSTATEMENT);
subQuery.From.FromXml(subQuery.From, xmlFrom, xnm);
subQuery.JoinCondition.FromXml(subQuery.JoinCondition, xmlJoinCondition, xnm);
subQuery.Condition.FromXml(subQuery.Condition, xmlCondition, xnm);
/*
* MainFromItem和JoinSubQueryConditionItem只序列化，不反序列化。
* 其反序列化操作已包含在From和JoinCondition的集合中，直接从集合中取即可。
* */
subQuery.mainFromItem = this.From.ChildCollection[0] as FromItem;
subQuery.joinSubQueryConditionItem = this.JoinCondition.ChildCollection[0] as JoinConditionItem;
}
