final void startEvictor()

in src/main/java/org/apache/commons/pool3/impl/BaseGenericObjectPool.java [1619:1639]

• 21 lines of code
• 4 McCabe index (conditional complexity)

    final void startEvictor(final Duration delay) {
        synchronized (evictionLock) {
            final boolean isPositiverDelay = PoolImplUtils.isPositive(delay);
            if (evictor == null) { // Starting evictor for the first time or after a cancel
                if (isPositiverDelay) { // Starting new evictor
                    evictor = new Evictor();
                    EvictionTimer.schedule(evictor, delay, delay);
                }
            } else if (isPositiverDelay) { // Stop or restart of existing evictor: Restart
                synchronized (EvictionTimer.class) { // Ensure no cancel can happen between cancel / schedule calls
                    EvictionTimer.cancel(evictor, evictorShutdownTimeoutDuration, true);
                    evictor = null;
                    evictionIterator = null;
                    evictor = new Evictor();
                    EvictionTimer.schedule(evictor, delay, delay);
                }
            } else { // Stopping evictor
                EvictionTimer.cancel(evictor, evictorShutdownTimeoutDuration, false);
            }
        }
    }