internal static DatabaseMapping ReadDatabaseMapping(XmlReader reader)
{
System.Diagnostics.Debug.Assert(reader.NodeType == XmlNodeType.Element);
if(!IsInNamespace(reader) || reader.LocalName != XmlMappingConstant.Database)
{
return null;
}
ValidateAttributes(reader, new[] {
XmlMappingConstant.Name,
XmlMappingConstant.Provider
});
DatabaseMapping dm = new DatabaseMapping();
dm.DatabaseName = RequiredAttribute(reader, XmlMappingConstant.Name);
dm.Provider = OptionalAttribute(reader, XmlMappingConstant.Provider);
if(!reader.IsEmptyElement)
{
reader.ReadStartElement();
reader.MoveToContent();
while(reader.NodeType != XmlNodeType.EndElement)
{
if(reader.NodeType == XmlNodeType.Whitespace || !IsInNamespace(reader))
{
reader.Skip();
continue;
}
switch(reader.LocalName)
{
case XmlMappingConstant.Table:
dm.Tables.Add(ReadTableMapping(reader));
break;
case XmlMappingConstant.Function:
dm.Functions.Add(ReadFunctionMapping(reader));
break;
default:
throw Error.UnrecognizedElement(String.Format(System.Globalization.CultureInfo.InvariantCulture, "{0}{1}{2}", reader.Prefix, String.IsNullOrEmpty(reader.Prefix) ? "" : "/", reader.LocalName));
}
reader.MoveToContent();
}
if(reader.LocalName != XmlMappingConstant.Database)
{
throw Error.UnexpectedElement(XmlMappingConstant.Database, String.Format(System.Globalization.CultureInfo.InvariantCulture, "{0}{1}{2}", reader.Prefix, String.IsNullOrEmpty(reader.Prefix) ? "" : "/", reader.LocalName));
}
reader.ReadEndElement();
}
else
{
System.Diagnostics.Debug.Assert(false, "DatabaseMapping has no content");
reader.Skip();
}
return dm;
}
[ResourceConsumption(ResourceScope.Assembly | ResourceScope.Machine)] // FindType method call.
internal MappedMetaModel(MappingSource mappingSource, Type contextType, DatabaseMapping mapping) {
this.mappingSource = mappingSource;
this.contextType = contextType;
this.mapping = mapping;
this.modules = new HashSet<Module>();
this.modules.Add(this.contextType.Module);
this.metaTypes = new Dictionary<Type, MetaType>();
this.metaTables = new Dictionary<Type, MetaTable>();
this.types = new Dictionary<string, Type>();
// Provider type
if (this.providerType == null && !String.IsNullOrEmpty(this.mapping.Provider)) {
this.providerType = this.FindType(this.mapping.Provider, typeof(SqlProvider).Namespace);
if (this.providerType == null) {
throw Error.ProviderTypeNotFound(this.mapping.Provider);
}
}
else if (this.providerType == null) {
this.providerType = typeof(SqlProvider);
}
this.Init();
}
[ResourceConsumption(ResourceScope.Assembly | ResourceScope.Machine)] // FindType method call.
internal MappedMetaModel(MappingSource mappingSource, Type contextType, DatabaseMapping mapping) {
this.mappingSource = mappingSource;
this.contextType = contextType;
this.mapping = mapping;
this.modules = new HashSet<Module>();
this.modules.Add(this.contextType.Module);
this.metaTypes = new Dictionary<Type, MetaType>();
this.metaTables = new Dictionary<Type, MetaTable>();
this.types = new Dictionary<string, Type>();
#warning [FB] REFACTOR SQL Server specific. Requires change to have its provider type injected instead of it tries to discover it on its own using sql server's specific namespace.
// Provider type
if (this.providerType == null && !String.IsNullOrEmpty(this.mapping.Provider)) {
this.providerType = this.FindType(this.mapping.Provider, typeof(System.Data.Linq.DbEngines.SqlServer.SqlProvider).Namespace);
if (this.providerType == null) {
throw Error.ProviderTypeNotFound(this.mapping.Provider);
}
}
else if (this.providerType == null) {
this.providerType = typeof(System.Data.Linq.DbEngines.SqlServer.SqlProvider);
}
this.Init();
}
[ResourceExposure(ResourceScope.Assembly)] // map parameter contains type names.
private XmlMappingSource(DatabaseMapping map)
{
this.map = map;
}