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package org.mule.module.logging; |
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import java.lang.ref.PhantomReference; |
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import java.lang.ref.Reference; |
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import java.lang.ref.ReferenceQueue; |
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import java.util.Map; |
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import java.util.concurrent.Executors; |
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import java.util.concurrent.ThreadFactory; |
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public class LoggerReferenceHandler |
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{ |
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24 | 0 | protected org.apache.log4j.Logger logger = org.apache.log4j.Logger.getLogger(getClass()); |
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public LoggerReferenceHandler(final String threadName, |
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final ReferenceQueue<ClassLoader> referenceQueue, |
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final Map<PhantomReference<ClassLoader>, Integer> references, |
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final Map<Integer, ?> loggerRepository) |
30 | 0 | { |
31 | 0 | Executors.newSingleThreadExecutor(new ThreadFactory() |
32 | 0 | { |
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public Thread newThread(Runnable r) |
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{ |
35 | 0 | final Thread thread = Executors.defaultThreadFactory().newThread(r); |
36 | 0 | thread.setName(threadName); |
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39 | 0 | return thread; |
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} |
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}).submit(new Runnable() |
42 | 0 | { |
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public void run() |
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{ |
45 | 0 | while (!Thread.currentThread().isInterrupted()) |
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{ |
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try |
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{ |
49 | 0 | final Reference<? extends ClassLoader> reference = referenceQueue.remove(); |
50 | 0 | logger.debug("Cleaning up the logging hierarchy"); |
51 | 0 | final Integer classLoaderHash = references.get(reference); |
52 | 0 | loggerRepository.remove(classLoaderHash); |
53 | 0 | reference.clear(); |
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} |
55 | 0 | catch (InterruptedException e) |
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{ |
57 | 0 | Thread.currentThread().interrupt(); |
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} |
59 | 0 | catch (RuntimeException rex) |
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{ |
61 | 0 | logger.error("Zombies detected, run for your life", rex); |
62 | 0 | } |
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} |
64 | 0 | } |
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}); |
66 | 0 | } |
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} |