/**
*
* 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.hbase.regionserver.wal;
import java.io.IOException;
import org.apache.hadoop.hbase.util.Bytes;
public class InstrumentedSequenceFileLogWriter extends SequenceFileLogWriter {
public InstrumentedSequenceFileLogWriter() {
super(HLogKey.class);
}
public static boolean activateFailure = false;
@Override
public void append(HLog.Entry entry) throws IOException {
super.append(entry);
if (activateFailure && Bytes.equals(entry.getKey().getEncodedRegionName(), "break".getBytes())) {
System.out.println(getClass().getName() + ": I will throw an exception now...");
throw(new IOException("This exception is instrumented and should only be thrown for testing"));
}
}
}