本文整理汇总了Python中cassandra.cluster.ControlConnection._refresh_node_list_and_token_map方法的典型用法代码示例。如果您正苦于以下问题：Python ControlConnection._refresh_node_list_and_token_map方法的具体用法？Python ControlConnection._refresh_node_list_and_token_map怎么用？Python ControlConnection._refresh_node_list_and_token_map使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类cassandra.cluster.ControlConnection的用法示例。
在下文中一共展示了ControlConnection._refresh_node_list_and_token_map方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: ControlConnectionTest
# 需要导入模块: from cassandra.cluster import ControlConnection [as 别名]
# 或者: from cassandra.cluster.ControlConnection import _refresh_node_list_and_token_map [as 别名]
#.........这里部分代码省略.........
# marked as down, so the control connection shouldn't care
self.assertTrue(self.control_connection.wait_for_schema_agreement())
self.assertEqual(self.time.clock, 0)
# but once we mark it up, the control connection will care
host.is_up = True
self.assertFalse(self.control_connection.wait_for_schema_agreement())
self.assertGreaterEqual(self.time.clock, self.cluster.max_schema_agreement_wait)
def test_refresh_nodes_and_tokens(self):
self.control_connection.refresh_node_list_and_token_map()
meta = self.cluster.metadata
self.assertEqual(meta.partitioner, 'Murmur3Partitioner')
self.assertEqual(meta.cluster_name, 'foocluster')
# check token map
self.assertEqual(sorted(meta.all_hosts()), sorted(meta.token_map.keys()))
for token_list in meta.token_map.values():
self.assertEqual(3, len(token_list))
# check datacenter/rack
for host in meta.all_hosts():
self.assertEqual(host.datacenter, "dc1")
self.assertEqual(host.rack, "rack1")
self.assertEqual(self.connection.wait_for_responses.call_count, 1)
def test_refresh_nodes_and_tokens_uses_preloaded_results_if_given(self):
"""
refresh_nodes_and_tokens uses preloaded results if given for shared table queries
"""
preloaded_results = self._get_matching_schema_preloaded_results()
self.control_connection._refresh_node_list_and_token_map(self.connection, preloaded_results=preloaded_results)
meta = self.cluster.metadata
self.assertEqual(meta.partitioner, 'Murmur3Partitioner')
self.assertEqual(meta.cluster_name, 'foocluster')
# check token map
self.assertEqual(sorted(meta.all_hosts()), sorted(meta.token_map.keys()))
for token_list in meta.token_map.values():
self.assertEqual(3, len(token_list))
# check datacenter/rack
for host in meta.all_hosts():
self.assertEqual(host.datacenter, "dc1")
self.assertEqual(host.rack, "rack1")
# the connection should not have made any queries if given preloaded results
self.assertEqual(self.connection.wait_for_responses.call_count, 0)
def test_refresh_nodes_and_tokens_no_partitioner(self):
"""
Test handling of an unknown partitioner.
"""
# set the partitioner column to None
self.connection.local_results[1][0][4] = None
self.control_connection.refresh_node_list_and_token_map()
meta = self.cluster.metadata
self.assertEqual(meta.partitioner, None)
self.assertEqual(meta.token_map, {})
def test_refresh_nodes_and_tokens_add_host(self):
self.connection.peer_results[1].append(
["192.168.1.3", "10.0.0.3", "a", "dc1", "rack1", ["3", "103", "203"]]
)示例2: ControlConnectionTest
# 需要导入模块: from cassandra.cluster import ControlConnection [as 别名]
# 或者: from cassandra.cluster.ControlConnection import _refresh_node_list_and_token_map [as 别名]
#.........这里部分代码省略.........
# marked as down, so the control connection shouldn't care
self.assertTrue(self.control_connection.wait_for_schema_agreement())
self.assertEqual(self.time.clock, 0)
# but once we mark it up, the control connection will care
host.is_up = True
self.assertFalse(self.control_connection.wait_for_schema_agreement())
self.assertGreaterEqual(self.time.clock, self.cluster.max_schema_agreement_wait)
def test_refresh_nodes_and_tokens(self):
self.control_connection.refresh_node_list_and_token_map()
meta = self.cluster.metadata
self.assertEqual(meta.partitioner, "Murmur3Partitioner")
self.assertEqual(meta.cluster_name, "foocluster")
# check token map
self.assertEqual(sorted(meta.all_hosts()), sorted(meta.token_map.keys()))
for token_list in meta.token_map.values():
self.assertEqual(3, len(token_list))
# check datacenter/rack
for host in meta.all_hosts():
self.assertEqual(host.datacenter, "dc1")
self.assertEqual(host.rack, "rack1")
self.assertEqual(self.connection.wait_for_responses.call_count, 1)
def test_refresh_nodes_and_tokens_uses_preloaded_results_if_given(self):
"""
refresh_nodes_and_tokens uses preloaded results if given for shared table queries
"""
preloaded_results = self._get_matching_schema_preloaded_results()
self.control_connection._refresh_node_list_and_token_map(self.connection, preloaded_results=preloaded_results)
meta = self.cluster.metadata
self.assertEqual(meta.partitioner, "Murmur3Partitioner")
self.assertEqual(meta.cluster_name, "foocluster")
# check token map
self.assertEqual(sorted(meta.all_hosts()), sorted(meta.token_map.keys()))
for token_list in meta.token_map.values():
self.assertEqual(3, len(token_list))
# check datacenter/rack
for host in meta.all_hosts():
self.assertEqual(host.datacenter, "dc1")
self.assertEqual(host.rack, "rack1")
# the connection should not have made any queries if given preloaded results
self.assertEqual(self.connection.wait_for_responses.call_count, 0)
def test_refresh_nodes_and_tokens_no_partitioner(self):
"""
Test handling of an unknown partitioner.
"""
# set the partitioner column to None
self.connection.local_results[1][0][4] = None
self.control_connection.refresh_node_list_and_token_map()
meta = self.cluster.metadata
self.assertEqual(meta.partitioner, None)
self.assertEqual(meta.token_map, {})
def test_refresh_nodes_and_tokens_add_host(self):
self.connection.peer_results[1].append(["192.168.1.3", "10.0.0.3", "a", "dc1", "rack1", ["3", "103", "203"]])
self.cluster.scheduler.schedule = lambda delay, f, *args, **kwargs: f(*args, **kwargs)
self.control_connection.refresh_node_list_and_token_map()