1 /* 2 * Copyright 2021 TiKV Project Authors. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 * 16 */ 17 18 package org.tikv.service.failsafe; 19 20 import java.io.Closeable; 21 22 public interface CircuitBreakerMetrics extends Closeable { 23 /** Record a successful call. */ 24 void recordSuccess(); 25 26 /** Record a failure call. */ 27 void recordFailure(); 28 29 /** Add metrics listener. */ 30 void addListener(MetricsListener metricsListener); 31 }