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.hadoop.hbase.chaos.policies; 20 21 import org.apache.commons.logging.Log; 22 import org.apache.commons.logging.LogFactory; 23 import org.apache.hadoop.hbase.IntegrationTestingUtility; 24 import org.apache.hadoop.hbase.chaos.actions.Action; 25 import org.apache.hadoop.hbase.util.StoppableImplementation; 26 27 /** 28 * A policy to introduce chaos to the cluster 29 */ 30 public abstract class Policy extends StoppableImplementation implements Runnable { 31 32 protected static Log LOG = LogFactory.getLog(Policy.class); 33 34 protected PolicyContext context; 35 36 public void init(PolicyContext context) throws Exception { 37 this.context = context; 38 } 39 40 /** 41 * A context for a Policy 42 */ 43 public static class PolicyContext extends Action.ActionContext { 44 public PolicyContext(IntegrationTestingUtility util) { 45 super(util); 46 } 47 } 48 }