private void purge()

in src/main/java/org/apache/commons/logging/impl/WeakHashtable.java [332:348]

• 13 lines of code
• 3 McCabe index (conditional complexity)

    private void purge() {
        final List toRemove = new ArrayList();
        synchronized (queue) {
            WeakKey key;
            while ((key = (WeakKey) queue.poll()) != null) {
                toRemove.add(key.getReferenced());
            }
        }

        // LOGGING-119: do the actual removal of the keys outside the sync block
        // to prevent deadlock scenarios as purge() may be called from
        // non-synchronized methods too
        final int size = toRemove.size();
        for (int i = 0; i < size; i++) {
            super.remove(toRemove.get(i));
        }
    }