本文整理汇总了Java中org.apache.hadoop.ha.HealthMonitor.Callback类的典型用法代码示例。如果您正苦于以下问题:Java Callback类的具体用法?Java Callback怎么用?Java Callback使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
Callback类属于org.apache.hadoop.ha.HealthMonitor包,在下文中一共展示了Callback类的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Java代码示例。
示例1: testCallbackThrowsRTE
import org.apache.hadoop.ha.HealthMonitor.Callback; //导入依赖的package包/类
/**
* Test that, if the callback throws an RTE, this will terminate the
* health monitor and thus change its state to FAILED
* @throws Exception
*/
@Test(timeout=15000)
public void testCallbackThrowsRTE() throws Exception {
hm.addCallback(new Callback() {
@Override
public void enteredState(State newState) {
throw new RuntimeException("Injected RTE");
}
});
LOG.info("Mocking bad health check, waiting for UNHEALTHY");
svc.isHealthy = false;
waitForState(hm, HealthMonitor.State.HEALTH_MONITOR_FAILED);
}