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 /** 22 * A dummy implementation of {@link WorkerContext}. This is the default 23 * implementation when no WorkerContext is defined by the user. It does 24 * nothing. 25 */ 26 public class DefaultWorkerContext extends WorkerContext { 27 28 @Override 29 public void preApplication() 30 throws InstantiationException, IllegalAccessException { 31 } 32 33 @Override 34 public void postApplication() { } 35 36 @Override 37 public void preSuperstep() { } 38 39 @Override 40 public void postSuperstep() { } 41 }