public void run()

in src/main/java/org/apache/geronimo/jcache/simple/SimpleCache.java [812:855]
40 lines of code
10 McCabe index (conditional complexity)

        public void run() {
            while (!isClosed()) {
                try {
                    Thread.sleep(pause);
                } catch (final InterruptedException e) {
                    Thread.currentThread().interrupt();
                    break;
                }
                if (delegate.isEmpty()) {
                    continue;
                }

                try {
                    final List<SimpleKey<K>> keys = new ArrayList<>(delegate.keySet());
                    Collections.sort(keys, new Comparator<SimpleKey<K>>() {

                        @Override
                        public int compare(final SimpleKey<K> o1, final SimpleKey<K> o2) {
                            final long l = o1.lastAccess() - o2.lastAccess();
                            if (l == 0) {
                                return keys.indexOf(o1) - keys.indexOf(o2);
                            }
                            return (int) l;
                        }
                    });

                    int delete = 0;
                    for (final SimpleKey<K> key : keys) {
                        final SimpleElement<V> elt = delegate.get(key);
                        if (elt != null && elt.isExpired()) {
                            delegate.remove(key);
                            statistics.increaseEvictions(1);
                            onExpired(key, elt);
                            delete++;
                            if (delete >= maxDelete) {
                                break;
                            }
                        }
                    }
                } catch (final Exception e) {
                    // no-op
                }
            }
        }