/*
 * Licensed to the University of California, Berkeley under one or more contributor license
 * agreements. See the NOTICE file distributed with this work for additional information regarding
 * copyright ownership. The ASF licenses this file to You 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 tachyon.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.
   */
  void heartbeat();

  /**
   * Cleans up any resources used by the heartbeat executor.
   */
  void close();
}

/*
 * Licensed to the University of California, Berkeley under one or more contributor license
 * agreements. See the NOTICE file distributed with this work for additional information regarding
 * copyright ownership. The ASF licenses this file to You 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 tachyon.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.
   */
  void heartbeat();

  /**
   * Cleans up any resources used by the heartbeat executor.
   */
  @Override
  void close();
}

Add missing @Override