//把LinqToSql的实体映射翻译为ELinq的实体映射，然后再把该映射注册到DbConfiguration 中
private void AddDLinqClass(Type entityType, Attribute dlinqTableAttribute)
{
var mapping = new ClassMap {
EntityType = entityType
};
var table = new TableAttribute();
mapping.table = table;
var tableName = DLinq.Instance.Table.Name(dlinqTableAttribute) as string;
if (!string.IsNullOrEmpty(tableName))
{
var parts = tableName.Split('.').Where(p => !string.IsNullOrEmpty(p)).ToArray();
switch (parts.Length)
{
case 1:
table.Name = tableName;
break;
case 2:
table.Schema = parts[0];
table.Name = parts[1].TrimStart('[').TrimEnd(']');
break;
case 3:
table.DatabaseName = parts[0];
table.Schema = parts[1];
table.Name = parts[2].TrimStart('[').TrimEnd(']');
break;
case 4:
table.Server = parts[0];
table.DatabaseName = parts[1];
table.Schema = parts[2];
table.Name = parts[3].TrimStart('[').TrimEnd(']');
break;
default:
throw new MappingException("Invalid table name '" + tableName + "'");
}
}
foreach (var p in entityType.GetProperties().Cast <MemberInfo>()
.Union(entityType.GetFields().Cast <MemberInfo>()))
{
//Column
var c = p.GetCustomAttributes(DLinq.Instance.Column.Type, false).FirstOrDefault();
if (c != null)
{
PopulateDLinqColumn(entityType, mapping, p, c);
continue;
}
var a = p.GetCustomAttributes(DLinq.Instance.Association.Type, false).FirstOrDefault();
if (a != null)
{
PopulateDLinqAssociation(mapping, p, a);
continue;
}
}
var entity = mapping.CreateMapping();
Guard.NotNull(entity, "entity");
AutoMapping(entity.entityType, entity);
RegistyMapping(entity);
}
