def __init__(self, parent, child, key_type, name, cascade, child_only, public, static) :
rel_base.Relationship.__init__(self, parent, child, name, cascade, child_only, public, static)
self.key_type = key_type
self.addChildField(name + parent.__name__ + "Key", key_type)
self.addParentArrayField(name + child.__name__ + "Table", child, 0, public = False)
self.addParentField(name + child.__name__ + "TableMin", dbtypes.StdUInt, public = False)
self.addParentField(name + child.__name__ + "TableMax", dbtypes.StdUInt, public = False)
self.addParentField(name + child.__name__ + "TableSize", dbtypes.StdUInt, public = False, initial_value = "DEFAULT_HASH_TABLE_SIZE")
self.addParentField("Num" + name + child.__name__ + "s", dbtypes.StdUInt, public = True)
rel_list.createList(parent, child, "TableList", cascade = cascade, child_only = True, public = False)
def prepareClass(the_class) :
## Создание пустого списка для методов класса
the_class.methods = []
prepareClassUserMethods(the_class)
if dbtypes.HSDB.logger_enabled :
the_class.methods.append(RegisterMethod())
the_class.methods.append(InitMethod(the_class))
#the_class.methods.append(toStringMethod(the_class))
if the_class.save_data :
the_class.methods.append(SaveMethod(the_class))
the_class.methods.append(LoadMethod(the_class))
the_class.methods.append(OnSaveHandler(the_class))
the_class.methods.append(OnLoadHandler(the_class))
## Создание системных полей для несинглтон класса (создается счетчик выделенных объектов Used и флаг существования объекта Exists)
if not the_class.singleton :
the_class.methods.append(ResetMethod(the_class))
rel_stack.createStack(the_class, the_class, "Free", False, True, False, True)
the_class.__dict__["Used"] = fields.Field(field_type = dbtypes.StdUInt,
static = True,
privacy = fields.PRIVATE_FIELD,
initial_value = 0,
comment = "The number of instances that was already been created at least one")
the_class.__dict__["Exists"] = fields.Field(field_type = dbtypes.Bool, privacy = fields.PRIVATE_FIELD, initial_value = "true",
comment = "Flag indicating object is exists now (was created but not destroyed yet)")
the_class.__field_names__ = [name for name in sorted(the_class.__dict__.keys()) if util.inherits(the_class.__dict__[name], fields.Field)]
## Cоздание дополнительных полей для динамических массивов
for name in the_class.__field_names__ :
field = the_class.__dict__[name]
privacy_val = fields.READONLY_FIELD
if field.privacy == fields.PRIVATE_FIELD :
privacy_val = fields.PRIVATE_FIELD
if field.array and field.array_size == 0 :
the_class.__dict__[name + "Len"] = fields.Field(field_type = dbtypes.StdUInt, privacy = privacy_val, initial_value = 0,
comment = "The length of '{0}' array field of a given class instance".format(name))
if not the_class.singleton :
the_class.__dict__[name + "Used"] = fields.Field(field_type = dbtypes.StdUInt,
static = True,
privacy = fields.PRIVATE_FIELD,
initial_value = 0,
comment = "The number of buffer elements that is already in use by class objects")
the_class.__dict__[name + "Index"] = fields.Field(field_type = dbtypes.StdUInt, privacy = fields.PRIVATE_FIELD, initial_value = "Null",
comment = "Index of the first array field element in array buffer of given class instance")
rel_list.createList(the_class, the_class, "__" + name + "Block" + "__", static = True, public = False)
the_class.__field_names__ = [name for name in sorted(the_class.__dict__.keys()) if util.inherits(the_class.__dict__[name], fields.Field)]
## Создание методов для несинглтон классов
if not the_class.singleton :
the_class.methods.append(CreateClassMethod(the_class))
the_class.methods.append(ExtendedCreateClassMethod(the_class))
the_class.methods.append(DestroyMethod(the_class))
the_class.methods.append(OnCreateHandler(the_class))
the_class.methods.append(OnDestroyHandler(the_class))
if the_class.singleton :
for name in the_class.__field_names__ :
the_class.__dict__[name].static = True
## Экстракция пользовательских методов, объявленных в описании БД
for name in the_class.__field_names__ :
the_class.methods = the_class.methods + the_class.__dict__[name].getMethods(name, the_class.memory_type)
## Экстракция методов из отношений класса
for rel in dbtypes.HSDB.relationships :
if rel.parent == the_class :
the_class.methods = the_class.methods + rel.getParentMethods()
if rel.child == the_class :
the_class.methods = the_class.methods + rel.getChildMethods()
for method in the_class.methods :
method.parent = the_class
if the_class.singleton :
method.static = True