/// <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>
/// 将SqlElement的属性写入XmlElement。
/// </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>
public virtual void ToXml(SqlElement sqlNode, XmlElement xmlParent)
{
//XmlElement xmlId = SerializerUtil.AddElement(xmlParent, ID, sqlNode.Id);
//XmlElement xmlVersion = SerializerUtil.AddElement(xmlParent, VERSION, sqlNode.Version);
if (sqlNode.ChildCollection != null)
{
XmlElement xmlchildList = SerializerUtil.AddElement(xmlParent, CHILDCOLLECTION);
foreach (SqlElement childNode in sqlNode.ChildCollection)
{
XmlElement childNodeElement = SerializerUtil.AddElement(xmlchildList, SQLELEMENT);
/*
* FullName：一个包含 Type 的完全限定名的字符串，其中包括 Type 的命名空间但不包括程序集；
* 例如，C# 字符串类型的完全限定名为 System.String。
* */
//childNodeElement.SetAttribute(CLASSFULLNAME, childNode.GetType().FullName);
childNodeElement.SetAttribute(SQLELEMENTTYPE, SqlElementFactory.GetSqlElementType(childNode).ToString());
childNode.ToXml(childNode, childNodeElement);
}
}
}
