/// <summary>
/// 注册类型。
/// </summary>
/// <param name="type"></param>
/// <returns></returns>
public DatabaseSchemaHandler RegisterType(System.Type type)
{
if (type == null || !type.IsClass || type.IsAbstract ||
!TypeExtensions.IsInheritFrom(type, typeof(DatabaseSchemaHandler)))
{
return(null);
}
DatabaseSchemaHandler handler = null;
string key = type.FullName;
if (_caches.TryGetValue(key, out handler))
{
return(handler);
}
string fullName = TypeExtensions.FullName2(type);
try {
_log.Info("创建实例：{0}", fullName);
handler = (DatabaseSchemaHandler)FastWrapper.CreateInstance(type);
_caches.Add(key, handler);
_list.Add(handler);
ClassOrder(handler.Attribute.TableName, handler.Attribute.Order);
CacheRef(type.Assembly, handler);
return(handler);
} catch (System.Exception error) {
_log.Warning("创建实例失败：{0}\r\n{1}", fullName, LogBase.ExceptionToString(error));
return(null);
}
}
/// <summary>
/// 注册程序集。
/// </summary>
/// <param name="assembly"></param>
/// <returns></returns>
public System.Collections.Generic.List <DatabaseSchemaHandler> RegisterAssembly(System.Reflection.Assembly assembly)
{
System.Collections.Generic.List <DatabaseSchemaHandler> list = new System.Collections.Generic.List <DatabaseSchemaHandler>();
if (assembly == null ||
assembly.FullName.StartsWith("System") ||
assembly.FullName.StartsWith("mscorlib")
//|| assembly.IsDynamic
)
{
return(list);
}
_log.Info("反射程序集：{0}", assembly.FullName);
System.Type[] types;
try {
types = assembly.GetExportedTypes();
} catch (System.Exception error) {
_log.Warning("反射程序集失败：{0}\r\n{1}", assembly.FullName, LogBase.ExceptionToString(error));
return(list);
}
foreach (System.Type type in types)
{
DatabaseSchemaHandler item = RegisterType(type);
if (item == null)
{
continue;
}
list.Add(item);
}
return(list);
}
/// <summary>
/// 数据库架构处理。
/// </summary>
/// <param name="context">上下文对象。</param>
public DatabaseSchemaProcessResults Process(DatabaseSchemaContext context)
{
string fullName = TypeExtensions.FullName2(this.GetType());
if (!_attribute.IsValid)
{
context.Log.Warning("{0}.Attribute.IsValid=false,[{1}]{2},{3}", fullName, _attribute.Order, _attribute.TableName, _attribute.Description);
return(DatabaseSchemaProcessResults.Ignore);
}
context.DataContext.ChangeDatabase();
context.Log.Info("执行 [{0} {1}] {2} {3} {4}",
EnumExtensions.ToName(_attribute.Type).PadRight(6, ' '), _attribute.Order.ToString().PadRight(8, ' '),
_attribute.TableName.PadRight(32, ' '), _attribute.Description.PadRight(32, ' '),
fullName);
DatabaseSchemaProcessResults result;
try {
result = OnProcess(context);
context.Log.Info(" [{0}] {1}", EnumExtensions.ToName(result), fullName);
} catch (System.Exception error) {
result = DatabaseSchemaProcessResults.Error;
context.Log.Info(" [{0}] {1}", EnumExtensions.ToName(result), fullName);
context.Log.Error(LogBase.ExceptionToString(error));
}
return(result);
}
public static void ExceptionToString(Exception error, System.Text.StringBuilder builder, int layer)
{
LogBase.ExceptionToString(error, builder, layer);
}
public static string ExceptionToString(Exception error)
{
return(LogBase.ExceptionToString(error));
}