content: /*
   * 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.bookkeeper.common.util;
  
  import static com.google.common.base.Preconditions.checkNotNull;
  
  import com.google.common.base.Throwables;
  import lombok.extern.slf4j.Slf4j;
  
  /**
   * A simple wrapper for a {@link Runnable} that logs any exception thrown by it, before
   * re-throwing it.
   */
  @Slf4j
  public final class LogExceptionRunnable implements Runnable {
  
    private final Runnable task;
  
    public LogExceptionRunnable(Runnable task) {
      this.task = checkNotNull(task);
    }
  
    @Override
    public void run() {
      try {
        task.run();
      } catch (Throwable t) {
        log.error("Exception while executing runnable " + task, t);
        Throwables.throwIfUnchecked(t);
        throw new AssertionError(t);
      }
    }
  
    @Override
    public String toString() {
      return "LogExceptionRunnable(" + task + ")";
    }
  }
  