private void ResolveMappings(XmlReader reader, MetadataFile file)
{
if (reader.ReadState == ReadState.Initial)
{
reader.Read();
}
if (reader.NodeType != XmlNodeType.Element)
{
throw new InvalidOperationException("The reader position is invalid.");
}
int depth = reader.Depth;
while (reader.Read() && reader.Depth > depth)
{
if (reader.NodeType != XmlNodeType.Element)
{
continue;
}
MetadataMapping mapping = null;
var conceptName = reader.GetAttribute(XML_ENTITY_ATTRIBUTE, XML_CONCEPT_NAMESPACE_URI);
var storageName = reader.GetAttribute(XML_ENTITY_ATTRIBUTE, XML_STORAGE_NAMESPACE_URI);
if (conceptName != null && storageName != null)
{
mapping = new MetadataMappingEntity(file, conceptName, storageName);
this.ResolveEntityMapping(reader, (MetadataMappingEntity)mapping);
}
else
{
conceptName = reader.GetAttribute(XML_COMMAND_ATTRIBUTE, XML_CONCEPT_NAMESPACE_URI);
storageName = reader.GetAttribute(XML_COMMAND_ATTRIBUTE, XML_STORAGE_NAMESPACE_URI);
if (conceptName != null && storageName != null)
{
mapping = new MetadataMappingCommand(file, conceptName, storageName);
this.ResolveCommandMapping(reader, (MetadataMappingCommand)mapping);
}
}
if (mapping == null)
{
throw new MetadataException(string.Format("Invalid mapping element in this '{0}' file.", file.Url));
}
file.Mappings.Add(mapping);
}
}
private void ResolveEntityMapping(XmlReader reader, MetadataMappingEntity mapping)
{
if (reader.ReadState == ReadState.Initial)
{
reader.Read();
}
int depth = reader.Depth;
while (reader.Read() && reader.Depth > depth)
{
if (reader.NodeType != XmlNodeType.Element)
{
continue;
}
switch (reader.Name)
{
case XML_PROPERTY_ELEMENT:
var property = new MetadataMappingEntityProperty(
reader.GetAttribute(XML_NAME_ATTRIBUTE),
reader.GetAttribute(XML_FIELD_ATTRIBUTE));
mapping.Properties.Add(property);
break;
case XML_DELETE_ELEMENT:
mapping.DeleteCommand = this.ResolveEntityCommand(reader, mapping);
break;
case XML_INSERT_ELEMENT:
mapping.InsertCommand = this.ResolveEntityCommand(reader, mapping);
break;
case XML_UPDATE_ELEMENT:
mapping.UpdateCommand = this.ResolveEntityCommand(reader, mapping);
break;
case XML_SELECT_ELEMENT:
mapping.SelectCommand = this.ResolveEntityCommand(reader, mapping);
break;
default:
this.ProcessUnrecognizedElement(reader, null, mapping);
break;
}
}
}
internal CommandElement(MetadataMappingEntity mapping, string qualifiedName)
{
_mapping = mapping;
_qualifiedName = qualifiedName;
_parameters = new CommandParameterElementCollection(this);
}
private MetadataMappingEntity.CommandElement ResolveEntityCommand(XmlReader reader, MetadataMappingEntity mapping)
{
var commandElement = mapping.CreateCommandElement(reader.GetAttribute(XML_NAME_ATTRIBUTE));
int depth = reader.Depth;
while (reader.Read() && reader.Depth > depth)
{
if (reader.NodeType != XmlNodeType.Element)
{
continue;
}
if (reader.Name == XML_PARAMETER_ELEMENT)
{
commandElement.Parameters.Add(new MetadataMappingEntity.CommandParameterElement(reader.GetAttribute(XML_NAME_ATTRIBUTE), reader.GetAttribute(XML_MAPPEDTO_ATTRIBUTE)));
}
else
{
this.ProcessUnrecognizedElement(reader, null, commandElement);
}
}
return(commandElement);
}
public MetadataMappingEntityPropertyCollection(MetadataMappingEntity mapping) : base(mapping)
{
}