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/*
 * 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.jackrabbit.oak.segment.file;

import static com.google.common.base.Preconditions.checkNotNull;
import static java.lang.Thread.currentThread;

import org.jetbrains.annotations.NotNull;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * A {@code Runnable} implementation that is safe to submit to an executor or
 * {@link Scheduler}.
 * 

* When this implementation's {@link #run()} method is invoked, it will set the * name of the current thread to the name passed to {@link SafeRunnable}, run * the wrapped runnable and finally restore the initial thread name. When the * wrapped runnable throws any unhandled exception, this exception is logged at * error level and the exception is re-thrown. */ class SafeRunnable implements Runnable { private static final Logger log = LoggerFactory.getLogger(SafeRunnable.class); @NotNull private final String name; @NotNull private final Runnable runnable; /** * New instance with the given {@code name} wrapping the passed {@code * runnable}. * * @param name The name of the background operation. * @param runnable The background operation. */ SafeRunnable(@NotNull String name, @NotNull Runnable runnable) { this.name = checkNotNull(name); this.runnable = checkNotNull(runnable); } @Override public void run() { try { String n = currentThread().getName(); currentThread().setName(name); try { runnable.run(); } finally { currentThread().setName(n); } } catch (Throwable e) { log.error(String.format("Uncaught exception in %s", name), e); } } }





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