/*
* The Alluxio Open Foundation licenses this work under the Apache License, version 2.0
* (the "License"). You may not use this work except in compliance with the License, which is
* available at www.apache.org/licenses/LICENSE-2.0
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
* either express or implied, as more fully set forth in the License.
*
* See the NOTICE file distributed with this work for information regarding copyright ownership.
*/
package alluxio.heartbeat;
/**
* An interface for heartbeat timers. The {@link HeartbeatThread} calls the {@link #tick()} method.
*/
public interface HeartbeatTimer {
/**
* Waits until next heartbeat should be executed.
*
* @throws InterruptedException if the thread is interrupted while waiting
*/
void tick() throws InterruptedException;
}