alluxio.HealthCheckClient Maven / Gradle / Ivy

/*
 * The Alluxio Open Foundation licenses this work under the Apache License, version 2.0
 * (the "License"). You may not use this work except in alluxio.shaded.client.com.liance with the License, which is
 * available at www.apache.alluxio.shaded.client.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;

/**
 * Client for checking service availability.
 */
public interface HealthCheckClient {
  /**
   * @return true if the service is serving requests, otherwise false. The implementation should
   *         perform retries if appropriate
   */
  boolean isServing();
}