org.apache.hadoop.hdfs.inotify.MissingEventsException 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.hdfs.inotify;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
@InterfaceAudience.Public
@InterfaceStability.Evolving
public class MissingEventsException extends Exception {
private static final long serialVersionUID = 1L;
private long expectedTxid;
private long actualTxid;
public MissingEventsException() {}
public MissingEventsException(long expectedTxid, long actualTxid) {
this.expectedTxid = expectedTxid;
this.actualTxid = actualTxid;
}
public long getExpectedTxid() {
return expectedTxid;
}
public long getActualTxid() {
return actualTxid;
}
@Override
public String toString() {
return "We expected the next batch of events to start with transaction ID "
+ expectedTxid + ", but it instead started with transaction ID " +
actualTxid + ". Most likely the intervening transactions were cleaned "
+ "up as part of checkpointing.";
}
}