com.alibaba.nacos.naming.healthcheck.HealthCheckReactor Maven / Gradle / Ivy
/*
* Copyright 1999-2018 Alibaba Group Holding Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.alibaba.nacos.naming.healthcheck;
import com.alibaba.nacos.naming.healthcheck.heartbeat.BeatCheckTask;
import com.alibaba.nacos.naming.healthcheck.interceptor.HealthCheckTaskInterceptWrapper;
import com.alibaba.nacos.naming.healthcheck.v2.HealthCheckTaskV2;
import com.alibaba.nacos.naming.misc.GlobalExecutor;
import com.alibaba.nacos.naming.misc.Loggers;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ScheduledFuture;
import java.util.concurrent.TimeUnit;
/**
* Health check reactor.
*
* @author nacos
*/
@SuppressWarnings("PMD.ThreadPoolCreationRule")
public class HealthCheckReactor {
private static Map futureMap = new ConcurrentHashMap<>();
/**
* Schedule health check task for v2.
*
* @param task health check task
*/
public static void scheduleCheck(HealthCheckTaskV2 task) {
task.setStartTime(System.currentTimeMillis());
Runnable wrapperTask = new HealthCheckTaskInterceptWrapper(task);
GlobalExecutor.scheduleNamingHealth(wrapperTask, task.getCheckRtNormalized(), TimeUnit.MILLISECONDS);
}
/**
* Schedule client beat check task with a delay.
*
* @param task client beat check task
*/
public static void scheduleCheck(BeatCheckTask task) {
Runnable wrapperTask =
task instanceof NacosHealthCheckTask ? new HealthCheckTaskInterceptWrapper((NacosHealthCheckTask) task)
: task;
futureMap.computeIfAbsent(task.taskKey(),
k -> GlobalExecutor.scheduleNamingHealth(wrapperTask, 5000, 5000, TimeUnit.MILLISECONDS));
}
/**
* Cancel client beat check task.
*
* @param task client beat check task
*/
public static void cancelCheck(BeatCheckTask task) {
ScheduledFuture scheduledFuture = futureMap.get(task.taskKey());
if (scheduledFuture == null) {
return;
}
try {
scheduledFuture.cancel(true);
futureMap.remove(task.taskKey());
} catch (Exception e) {
Loggers.EVT_LOG.error("[CANCEL-CHECK] cancel failed!", e);
}
}
/**
* Schedule client beat check task without a delay.
*
* @param task health check task
* @return scheduled future
*/
public static ScheduledFuture scheduleNow(Runnable task) {
return GlobalExecutor.scheduleNamingHealth(task, 0, TimeUnit.MILLISECONDS);
}
}