/* * 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; import java.io.Closeable; /** * An interface for a heartbeat execution. The {@link HeartbeatThread} calls the * {@link #heartbeat()} method. */ public interface HeartbeatExecutor extends Closeable { /** * Implements the heartbeat logic. * * @throws InterruptedException if the thread is interrupted */ void heartbeat() throws InterruptedException; /** * Cleans up any resources used by the heartbeat executor. */ @Override void close(); }