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.worker; 20 21 import org.apache.giraph.conf.ImmutableClassesGiraphConfiguration; 22 23 /** 24 * Default Observer for Worker that does nothing. 25 */ 26 public class DefaultWorkerObserver implements WorkerObserver { 27 /** 28 * The configuration stored here 29 */ 30 private ImmutableClassesGiraphConfiguration conf; 31 32 @Override 33 public void preLoad() { 34 } 35 36 @Override 37 public void postSave() { 38 } 39 40 @Override 41 public void preApplication() { 42 } 43 44 @Override 45 public void postApplication() { 46 } 47 48 @Override 49 public void preSuperstep(long superstep) { 50 } 51 52 @Override 53 public void postSuperstep(long superstep) { 54 } 55 56 @Override 57 public ImmutableClassesGiraphConfiguration getConf() { 58 return conf; 59 } 60 61 @Override 62 public void setConf(ImmutableClassesGiraphConfiguration configuration) { 63 this.conf = configuration; 64 } 65 }