1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the 7 * "License"); you may not use this file except in compliance 8 * with the License. You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, software 13 * distributed under the License is distributed on an "AS IS" BASIS, 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 */ 18 19 package org.apache.giraph.metrics; 20 21 /** 22 * Observer for users of per-superstep counters. Triggered with calls whenever 23 * we are starting a new superstep so that user can re-initialize their metrics. 24 */ 25 public interface ResetSuperstepMetricsObserver { 26 /** 27 * Starting a new superstep. Re-initialize your metrics. 28 * 29 * @param superstepMetrics SuperstepMetricsRegistry being used. 30 */ 31 void newSuperstep(SuperstepMetricsRegistry superstepMetrics); 32 }