001/**
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hdfs.server.namenode;
019
020import java.io.IOException;
021
022import com.google.common.annotations.VisibleForTesting;
023
024/**
025 * Used to inject certain faults for testing.
026 */
027public class EncryptionFaultInjector {
028  @VisibleForTesting
029  public static EncryptionFaultInjector instance =
030      new EncryptionFaultInjector();
031
032  @VisibleForTesting
033  public static EncryptionFaultInjector getInstance() {
034    return instance;
035  }
036
037  @VisibleForTesting
038  public void startFileAfterGenerateKey() throws IOException {}
039}