org.apache.hadoop.io.VersionMismatchException Maven / Gradle / Ivy
/**
* 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 occurred. Expecting v"
+ expectedVersion + ", found v" + foundVersion;
}
}