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.hbase.regionserver.wal;
019
020import java.io.EOFException;
021import org.apache.yetus.audience.InterfaceAudience;
022
023/**
024 * A special EOFException to indicate that the EOF happens when we read the header of a WAL file.
025 * <p/>
026 * This usually means the WAL file just contains nothing and we are safe to skip over it.
027 */
028@InterfaceAudience.Private
029public class WALHeaderEOFException extends EOFException {
030
031  private static final long serialVersionUID = -4544368452826740759L;
032
033  public WALHeaderEOFException() {
034  }
035
036  public WALHeaderEOFException(String s) {
037    super(s);
038  }
039
040  public WALHeaderEOFException(String s, Throwable cause) {
041    super(s);
042    initCause(cause);
043  }
044}