def __init__(self, config, system, settings):
"""
:type config: xml.etree.ElementTree.Element
:type system: zoom.common.types.PlatformType
:type settings: dict
"""
self._log = logging.getLogger('sent.child')
self._action_queue = UniqueQueue()
self._cancel_flag = ThreadSafeObject(False)
self.name = verify_attribute(config, 'id')
self._application_type = verify_attribute(config, 'type')
self._config = config
self._system = system # Linux or Windows
self._settings = settings
self._process = self._create_process()
def add_task(self, task, is_cancel=False):
"""
Add Task to UniqueQueue. Submit task node to ZooKeeper.
If `is_cancel` clear the queue, and submit only cancel.
:type task: zoom.agent.task.task.Task
:type is_cancel: bool
"""
if task.host not in self._task_queue:
self._task_queue[task.host] = UniqueQueue()
host_q = self._task_queue.get(task.host)
if is_cancel:
host_q.clear()
task_path = zk_path_join(self._configuration.task_path, task.host)
try:
self._zoo_keeper.delete(task_path)
except NoNodeError:
pass
host_q.append_unique(task, sender=task.host)
self._submit_task(task)
