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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing, software
13   * distributed under the License is distributed on an "AS IS" BASIS,
14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   * See the License for the specific language governing permissions and
16   * limitations under the License.
17   */
18  package org.apache.omid.tso;
19  
20  import com.lmax.disruptor.ExceptionHandler;
21  import org.slf4j.Logger;
22  import org.slf4j.LoggerFactory;
23  
24  class FatalExceptionHandler implements ExceptionHandler {
25  
26      private static final Logger LOG = LoggerFactory.getLogger(FatalExceptionHandler.class);
27  
28      Panicker panicker;
29  
30      FatalExceptionHandler(Panicker panicker) {
31          this.panicker = panicker;
32      }
33  
34      @Override
35      public void handleEventException(Throwable ex, long sequence, Object event) {
36  
37          LOG.error("Uncaught exception throws for sequence {}, event {}", sequence, event, ex);
38          panicker.panic("Uncaught exception in disruptor thread", ex);
39  
40      }
41  
42      @Override
43      public void handleOnShutdownException(Throwable ex) {
44          LOG.warn("Uncaught exception shutting down", ex);
45      }
46  
47      @Override
48      public void handleOnStartException(Throwable ex) {
49          panicker.panic("Uncaught exception starting up", ex);
50      }
51  
52  }