How to use

PersistenceProviderResolverHolder$DefaultPersistenceProviderResolver$CacheKeyReference

in

javax.persistence.spi

/**
 * Remove garbage collected cache keys & providers.
 */
private void processQueue() {
  CacheKeyReference ref;
  while ((ref = (CacheKeyReference) referenceQueue.poll()) != null) {
    providers.remove(ref.getCacheKey());
  }            
}

/**
 * Remove garbage collected cache keys & providers.
 */
private void processQueue()
{
  CacheKeyReference ref;
  while ((ref = (CacheKeyReference) referenceQueue.poll()) != null)
  {
    providers.remove(ref.getCacheKey());
  }
}

/**
 * Remove garbage collected cache keys & providers.
 */
private void processQueue() {
  CacheKeyReference ref;
  while ((ref = (CacheKeyReference) referenceQueue.poll()) != null) {
    providers.remove(ref.getCacheKey());
  }            
}

/**
 * Remove garbage collected cache keys & providers.
 */
private void processQueue() {
  CacheKeyReference ref;
  while ((ref = (CacheKeyReference) referenceQueue.poll()) != null) {
    providers.remove(ref.getCacheKey());
  }            
}

/**
 * Remove garbage collected cache keys & providers.
 */
private void processQueue() {
  CacheKeyReference ref;
  while ((ref = (CacheKeyReference) referenceQueue.poll()) != null) {
    providers.remove(ref.getCacheKey());
  }            
}