def cancel(self, sn=None, criteria=None):
"""
Cancel by serial number or user defined property.
:param sn: An RMI serial number.
:type sn: str
:param criteria: The criteria used to match the
*data* property on an RMI request.
:type criteria: dict
:return: The list of cancelled serial numbers.
:rtype: list
:raise Exception, on (sn) not found.
:see: gofer.rmi.criteria
"""
sn_list = []
cancelled = []
tracker = Tracker()
if sn:
sn_list = [sn]
if criteria:
b = Builder()
criteria = b.build(criteria)
sn_list = tracker.find(criteria)
for sn in sn_list:
_sn = tracker.cancel(sn)
if _sn:
cancelled.append(_sn)
return cancelled
class Cancelled:
"""
A callable added to the Context and used
by plugin methods to check for cancellation.
:ivar tracker: The cancellation tracker.
:type tracker: Tracker
"""
def __init__(self, sn):
"""
:param sn: Serial number.
:type sn: str
"""
self.sn = sn
self.tracker = Tracker()
def __call__(self):
return self.tracker.cancelled(self.sn)
def __del__(self):
try:
self.tracker.remove(self.sn)
except KeyError:
# already cleaned up
pass
def __init__(self, sn):
"""
:param sn: Serial number.
:type sn: str
"""
self.sn = sn
self.tracker = Tracker()
def cancel(self, sn=None, criteria=None):
"""
Cancel by serial number or user defined property.
:param sn: An RMI serial number.
:type sn: str
:param criteria: The criteria used to match the
*data* property on an RMI request.
:type criteria: dict
:return: The list of cancelled serial numbers.
:rtype: list
:raise Exception, on (sn) not found.
:see: gofer.rmi.criteria
"""
sn_list = []
cancelled = []
tracker = Tracker()
if sn:
sn_list = [sn]
if criteria:
b = Builder()
criteria = b.build(criteria)
sn_list = tracker.find(criteria)
for sn in sn_list:
_sn = tracker.cancel(sn)
if _sn:
cancelled.append(_sn)
return cancelled
def __init__(self, sn):
"""
:param sn: The current request serial number.
:type sn: str
"""
self.sn = sn
self.tracker = Tracker()
class Cancelled(object):
"""
A callable added to the Context and used
by plugin methods to check for cancellation.
:ivar sn: The current request serial number.
:type sn: str
:ivar tracker: The cancellation tracker.
:type tracker: Tracker
"""
def __init__(self, sn):
"""
:param sn: The current request serial number.
:type sn: str
"""
self.sn = sn
self.tracker = Tracker()
def __call__(self):
return self.tracker.cancelled(self.sn)
def __del__(self):
try:
self.tracker.remove(self.sn)
except KeyError:
# already cleaned up
pass
def _put(self, request, jnl_path):
"""
Enqueue the request.
:param request: An AMQP request.
:type request: Document
:param jnl_path: Path to the associated journal file.
:type jnl_path: str
"""
request.ts = time()
tracker = Tracker()
tracker.add(request.sn, request.data)
self.journal[request.sn] = jnl_path
self.queue.put(request)
def _put(self, request, jnl_path):
"""
Enqueue the request.
:param request: An AMQP request.
:type request: Document
:param jnl_path: Path to the associated journal file.
:type jnl_path: str
"""
request.ts = time()
tracker = Tracker()
tracker.add(request.sn, request.data)
self.journal[request.sn] = jnl_path
self.queue.put(request)
def __init__(self, sn):
"""
:param sn: Serial number.
:type sn: str
"""
self.sn = sn
self.tracker = Tracker()
def __init__(self, sn):
"""
:param sn: The current request serial number.
:type sn: str
"""
self.sn = sn
self.tracker = Tracker()
