private ClassMap GetClassMapInformation(XmlNodeReader node)
{
//<class name="r_Class" table="r_Class" datasource="DbName">
// <attribute name="Class_ID" column="Class_ID" type="String" key="primary" size="20" />
// <attribute name="Class_Name" column="Class_Name" type="String" size="50" />
//</class>
string className = node.GetAttribute("name");
string tableName = node.GetAttribute("table");
string databaseName = node.GetAttribute("datasource");
int intlop = 0;
string err;
ClassMap clsMap = null;
if ((className != null) && (databaseName != null) && (tableName != null))
{
IPersistenceProvider provider = (IPersistenceProvider)DatabasePool[databaseName];
Assert.VerifyNotNull(provider, Error.XmlReadError, "Named：" + databaseName + "Database mapping information not found！");
clsMap = new ClassMap(className, provider);
if (!m_DatabaseMaps.ContainsKey(databaseName))
{
err = "In the mapping class：" + className + "，Named：" + databaseName + "Database mapping information could not be found！";
Assert.Fail(Error.XmlReadError, err);
}
TableMap tblMap = new TableMap("[" + provider.GetTableName(tableName) + "]", (DatabaseMap)m_DatabaseMaps[databaseName]);
int clsDep = node.Depth;
while (node.Read() && node.Depth > clsDep)
{
if ((node.NodeType == XmlNodeType.Element) && (node.Name == "attribute"))
{
AttributeMap attrMap = GetAttributeMapInformation(node, clsMap, tblMap, intlop);
if (attrMap != null)
{
clsMap.AddAttributeMap(attrMap);
}
intlop++;
}
}
}
else
{
err = "ClassMap lack className,databaseName,tableName These necessary attributes！";
Assert.Fail(Error.XmlReadError, err);
}
if (clsMap.Table.PrimaryKeyIndex < 0)
{
err = "In table [" + clsMap.Table.Name + "] Primary key not defined！";
Assert.Fail(Error.XmlReadError, err);
}
return(clsMap);
}
