public static TypeDbInfo Analyse(Type type)
{
if (_analysied.TryGetValue(type, out TypeDbInfo typeDbInfo))
{
return(typeDbInfo);
}
DbTableAttribute[] tableAttributes = type.GetCustomAttributes <DbTableAttribute>().ToArray();
if (tableAttributes.Length != 1)
{
throw new AttributedTypeException(type, "DbTableAttribute must be declared one and one time for the type");
}
string tableName = tableAttributes[0].Name ?? type.Name;
IDictionary <string, PropertyInfo> columns = new Dictionary <string, PropertyInfo>();
IList <string> keys = new List <string>();
string identity = null;
foreach (PropertyInfo pi in type.GetPublicInstanceProperties())
{
DbColumnAttribute[] columnAttributes = pi.GetCustomAttributes <DbColumnAttribute>().ToArray();
if (columnAttributes.Length == 1)
{
DbColumnAttribute columnAttribute = columnAttributes[0];
string name = columnAttribute.Name ?? pi.Name;
columns.Add(name, pi);
switch (columnAttribute.Kind)
{
case ColumnKind.Normal:
break;
case ColumnKind.PrimaryKey:
keys.Add(name);
break;
case ColumnKind.Identity:
keys.Add(name);
if (!string.IsNullOrEmpty(identity))
{
throw new AttributedTypeException(type, "DbColumnAttribute identity could only be declared one time for the type");
}
identity = name;
break;
default:
throw new ArgumentOutOfRangeException(string.Format("{0} is not managed", columnAttribute.Kind));
}
}
}
if (columns.Count == 0)
{
throw new AttributedTypeException(type, "DbColumnAttribute must be declared at least one time for the type");
}
DbRestictedDmlAttribute[] restrictionAttributes = type.GetCustomAttributes <DbRestictedDmlAttribute>().ToArray();
Restriction restriction = restrictionAttributes.Length == 1 ? restrictionAttributes[0].Restriction : Restriction.None;
typeDbInfo = new TypeDbInfo(tableName, keys, identity, columns, restriction);
_analysied[type] = typeDbInfo;
return(typeDbInfo);
}
public CommandBuilder(TypeDbInfo typeDbInfo)
{
_typeDbInfo = typeDbInfo;
BuildQueries();
}
