| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.apache.hadoop.io; |
| |
| import java.io.IOException; |
| |
| import org.apache.hadoop.classification.InterfaceAudience; |
| import org.apache.hadoop.classification.InterfaceStability; |
| |
| /** Thrown by {@link VersionedWritable#readFields(DataInput)} when the |
| * version of an object being read does not match the current implementation |
| * version as returned by {@link VersionedWritable#getVersion()}. */ |
| @InterfaceAudience.Public |
| @InterfaceStability.Stable |
| public class VersionMismatchException extends IOException { |
| |
| private byte expectedVersion; |
| private byte foundVersion; |
| |
| public VersionMismatchException(byte expectedVersionIn, byte foundVersionIn){ |
| expectedVersion = expectedVersionIn; |
| foundVersion = foundVersionIn; |
| } |
| |
| /** Returns a string representation of this object. */ |
| @Override |
| public String toString(){ |
| return "A record version mismatch occured. Expecting v" |
| + expectedVersion + ", found v" + foundVersion; |
| } |
| } |