本文整理汇总了Python中cassandra.policies.DCAwareRoundRobinPolicy.on_remove方法的典型用法代码示例。如果您正苦于以下问题：Python DCAwareRoundRobinPolicy.on_remove方法的具体用法？Python DCAwareRoundRobinPolicy.on_remove怎么用？Python DCAwareRoundRobinPolicy.on_remove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.policies.DCAwareRoundRobinPolicy的用法示例。
在下文中一共展示了DCAwareRoundRobinPolicy.on_remove方法的1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: test_status_updates
# 需要导入模块: from cassandra.policies import DCAwareRoundRobinPolicy [as 别名]
# 或者: from cassandra.policies.DCAwareRoundRobinPolicy import on_remove [as 别名]
def test_status_updates(self):
hosts = [Host(i, SimpleConvictionPolicy) for i in range(4)]
for h in hosts[:2]:
h.set_location_info("dc1", "rack1")
for h in hosts[2:]:
h.set_location_info("dc2", "rack1")
policy = DCAwareRoundRobinPolicy("dc1", used_hosts_per_remote_dc=1)
policy.populate(None, hosts)
policy.on_down(hosts[0])
policy.on_remove(hosts[2])
new_local_host = Host(4, SimpleConvictionPolicy)
new_local_host.set_location_info("dc1", "rack1")
policy.on_up(new_local_host)
new_remote_host = Host(5, SimpleConvictionPolicy)
new_remote_host.set_location_info("dc9000", "rack1")
policy.on_add(new_remote_host)
# we now have two local hosts and two remote hosts in separate dcs
qplan = list(policy.make_query_plan())
self.assertEqual(set(qplan[:2]), set([hosts[1], new_local_host]))
self.assertEqual(set(qplan[2:]), set([hosts[3], new_remote_host]))
# since we have hosts in dc9000, the distance shouldn't be IGNORED
self.assertEqual(policy.distance(new_remote_host), HostDistance.REMOTE)