def __init__(self):
# Used for plotting Bucket status table
self.itemCount = 0
self.diskUsed = 0
self.memUsed = 0
self.ram = 0
self.manifest_uid = 0
self.expected_item_count = 0
self.mutex = Lock()
# Used to manage Bucket stats task
self.stats_task = {"count": 0, "object": None, "lock": Lock()}
class BucketStats(object):
def __init__(self):
# Used for plotting Bucket status table
self.itemCount = 0
self.diskUsed = 0
self.memUsed = 0
self.ram = 0
self.manifest_uid = 0
self.expected_item_count = 0
self.mutex = Lock()
# Used to manage Bucket stats task
self.stats_task = {"count": 0, "object": None, "lock": Lock()}
def increment_manifest_uid(self):
"""
Increments the manifest UID of bucket object.
:return: None
"""
# Uses Lock to safely update the uid during threaded execution
self.mutex.acquire()
self.manifest_uid += 1
self.mutex.release()
def manage_task(self,
operation,
task_manager,
cluster=None,
bucket=None,
monitor_stats=list(),
sleep=1):
task_pkg = Jython_tasks.task
if operation == "start":
self.stats_task["lock"].acquire()
if self.stats_task["object"] is None:
self.stats_task["object"] = task_pkg.PrintBucketStats(
cluster, bucket, monitor_stats=monitor_stats, sleep=sleep)
task_manager.add_new_task(self.stats_task["object"])
self.stats_task["count"] += 1
self.stats_task["lock"].release()
elif operation == "stop":
self.stats_task["lock"].acquire()
if self.stats_task["count"] == 1:
self.stats_task["object"].end_task()
task_manager.get_task_result(self.stats_task["object"])
self.stats_task["object"] = None
self.stats_task["count"] -= 1
self.stats_task["lock"].release()
def __init__(self, value=1, verbose=None):
assert value >= 0, "Semaphore initial value must be >= 0"
_Verbose.__init__(self, verbose)
self.__cond = Condition(Lock())
self.__value = value
def __init__(self, verbose=None):
_Verbose.__init__(self, verbose)
self.__cond = Condition(Lock())
self.__flag = False
def __init__(self, value=1, verbose=None):
if value < 0:
raise ValueError("Semaphore initial value must be >= 0")
_Verbose.__init__(self, verbose)
self.__cond = Condition(Lock())
self.__value = value