VersionMismatchException.java
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上传日期:2018-01-08
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文件大小:2k
- /**
- * 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;
- /** 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()}. */
- 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. */
- public String toString(){
- return "A record version mismatch occured. Expecting v"
- + expectedVersion + ", found v" + foundVersion;
- }
- }