content: /*
   * Copyright 2012-2023 Aerospike, Inc.
   *
   * Portions may be licensed to Aerospike, Inc. under one or more contributor
   * license agreements WHICH ARE COMPATIBLE WITH THE APACHE LICENSE, VERSION 2.0.
   *
   * 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.aerospike.client.metrics;
  
  import com.aerospike.client.cluster.Cluster;
  import com.aerospike.client.cluster.Node;
  
  /**
   * Client metrics listener.
   */
  public interface MetricsListener {
  	/**
  	 * Periodic extended metrics has been enabled for the given cluster.
  	 */
  	public void onEnable(Cluster cluster, MetricsPolicy policy);
  
  	/**
  	 * A metrics snapshot has been requested for the given cluster.
  	 */
  	public void onSnapshot(Cluster cluster);
  
  	/**
  	 * A node is being dropped from the cluster.
  	 */
  	public void onNodeClose(Node node);
  
  	/**
  	 * Periodic extended metrics has been disabled for the given cluster.
  	 */
  	public void onDisable(Cluster cluster);
  }
  