本文整理匯總了Python中cassandra.policies.RetryPolicy類的典型用法代碼示例。如果您正苦於以下問題：Python RetryPolicy類的具體用法？Python RetryPolicy怎麽用？Python RetryPolicy使用的例子？那麽, 這裏精選的類代碼示例或許可以為您提供幫助。
在下文中一共展示了RetryPolicy類的4個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: test_read_timeout
def test_read_timeout(self):
policy = RetryPolicy()
# if this is the second or greater attempt, rethrow
retry, consistency = policy.on_read_timeout(
query=None, consistency=ONE, required_responses=1, received_responses=2,
data_retrieved=True, retry_num=1)
self.assertEqual(retry, RetryPolicy.RETHROW)
self.assertEqual(consistency, None)
# if we didn't get enough responses, rethrow
retry, consistency = policy.on_read_timeout(
query=None, consistency=ONE, required_responses=2, received_responses=1,
data_retrieved=True, retry_num=0)
self.assertEqual(retry, RetryPolicy.RETHROW)
self.assertEqual(consistency, None)
# if we got enough responses, but also got a data response, rethrow
retry, consistency = policy.on_read_timeout(
query=None, consistency=ONE, required_responses=2, received_responses=2,
data_retrieved=True, retry_num=0)
self.assertEqual(retry, RetryPolicy.RETHROW)
self.assertEqual(consistency, None)
# we got enough responses but no data response, so retry
retry, consistency = policy.on_read_timeout(
query=None, consistency=ONE, required_responses=2, received_responses=2,
data_retrieved=False, retry_num=0)
self.assertEqual(retry, RetryPolicy.RETRY)
self.assertEqual(consistency, ONE)示例2: test_write_timeout
def test_write_timeout(self):
policy = RetryPolicy()
# if this is the second or greater attempt, rethrow
retry, consistency = policy.on_write_timeout(
query=None, consistency="ONE", write_type=WriteType.SIMPLE,
required_responses=1, received_responses=2, retry_num=1)
self.assertEqual(retry, RetryPolicy.RETHROW)
# if it's not a BATCH_LOG write, don't retry it
retry, consistency = policy.on_write_timeout(
query=None, consistency="ONE", write_type=WriteType.SIMPLE,
required_responses=1, received_responses=2, retry_num=0)
self.assertEqual(retry, RetryPolicy.RETHROW)
# retry BATCH_LOG writes regardless of received responses
retry, consistency = policy.on_write_timeout(
query=None, consistency="ONE", write_type=WriteType.BATCH_LOG,
required_responses=10000, received_responses=1, retry_num=0)
self.assertEqual(retry, RetryPolicy.RETRY)
self.assertEqual(consistency, "ONE")示例3: test_unavailable
def test_unavailable(self):
"""
Use the same tests for test_write_timeout, but ensure they only RETHROW
"""
policy = RetryPolicy()
retry, consistency = policy.on_unavailable(
query=None, consistency=ONE,
required_replicas=1, alive_replicas=2, retry_num=1)
self.assertEqual(retry, RetryPolicy.RETHROW)
self.assertEqual(consistency, None)
retry, consistency = policy.on_unavailable(
query=None, consistency=ONE,
required_replicas=1, alive_replicas=2, retry_num=0)
self.assertEqual(retry, RetryPolicy.RETHROW)
self.assertEqual(consistency, None)
retry, consistency = policy.on_unavailable(
query=None, consistency=ONE,
required_replicas=10000, alive_replicas=1, retry_num=0)
self.assertEqual(retry, RetryPolicy.RETHROW)
self.assertEqual(consistency, None)示例4: __init__
def __init__(self, export_process):
RetryPolicy.__init__(self)
self.max_attempts = export_process.csv_options['maxattempts']
self.printmsg = lambda txt: export_process.printmsg(txt)