def find_schema_by_id(self, topic_id: TopicId, tenant_id: TenantId) -> Optional[TopicSchema]:
if not self.principalService.is_super_admin():
if self.principalService.get_tenant_id() != tenant_id:
raise Exception('Forbidden')
schema = CacheService.topic().get_schema(topic_id)
if schema is not None:
if schema.get_topic().tenantId != tenant_id:
return None
return schema
storage_service = TopicStorageService(ask_meta_storage(), ask_snowflake_generator(), self.principalService)
storage_service.begin_transaction()
try:
# noinspection PyTypeChecker
topic: Topic = storage_service.find_by_id(topic_id)
if topic is None:
return None
CacheService.topic().put(topic)
schema = CacheService.topic().get_schema(topic.topicId)
if schema is not None:
if schema.get_topic().tenantId != tenant_id:
return None
return schema
finally:
storage_service.close_transaction()
def find_should_monitored(self, tenant_id: TenantId) -> List[Topic]: storage_service = TopicStorageService(ask_meta_storage(), ask_snowflake_generator(), self.principalService) storage_service.begin_transaction() try: # noinspection PyTypeChecker topics = storage_service.find_all(tenant_id) # only business topics need to be monitored return ArrayHelper(topics).filter(lambda x: x.kind == TopicKind.BUSINESS).to_list() finally: storage_service.close_transaction()
def heart_beat_on_topics() -> None:
topics = CacheService.topic().all()
topic_service = TopicService(ask_meta_storage(), ask_snowflake_generator(),
ask_super_admin())
topic_service.begin_transaction()
try:
for topic in topics:
loaded: Optional[Topic] = topic_service.find_by_id(topic.topicId)
if loaded is None:
CacheService.topic().remove(topic.topicId)
elif loaded.lastModifiedAt > topic.lastModifiedAt or loaded.version > topic.version:
CacheService.topic().put(loaded)
finally:
topic_service.close_transaction()
def find_by_id(self, topic_id: TopicId) -> Optional[Topic]:
topic = CacheService.topic().get(topic_id)
if topic is not None:
if topic.tenantId != self.principalService.get_tenant_id():
raise DataKernelException(
f'Topic[id={topic_id}] not belongs to current tenant[id={self.principalService.get_tenant_id()}].')
return topic
storage_service = TopicStorageService(ask_meta_storage(), ask_snowflake_generator(), self.principalService)
storage_service.begin_transaction()
try:
# noinspection PyTypeChecker
topic: Topic = storage_service.find_by_id(topic_id)
if topic is None:
return None
CacheService.topic().put(topic)
return topic
finally:
storage_service.close_transaction()
