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package com.sun.enterprise.web.connector.grizzly;

import java.util.concurrent.ConcurrentLinkedQueue;
import java.util.concurrent.LinkedBlockingQueue;

/**
 * Concurrent {@link Queue} implementation, which is used in Grizzly.
 * This class was introduced in order to easily change the type of {@link Queue},
 * which is used in Grizzly, because of strange memory leak, found with
 * {@link ConcurrentLinkedQueue#Node}s (CR6875041).
 * 
 * @author Alexey Stashok
 */
public final class ConcurrentQueue extends LinkedBlockingQueue {
//    private static final AtomicLong totalSize = new AtomicLong();
//    private static final AtomicLong lastTotalOutput = new AtomicLong();
//
//    private final AtomicLong lastOutput = new AtomicLong();
//    private final AtomicInteger lastAddedToTotal = new AtomicInteger();

    private final String name;

    public ConcurrentQueue(String name) {
        this.name = name;
    }


//    @Override
//    public boolean offer(E e) {
//        return super.offer(e);
//        if (super.offer(e)) {
//            final long currentTime = System.currentTimeMillis();
//
//            final long lastOutputNow = lastOutput.get();
//            if (currentTime - lastOutputNow > 1000 * 60) {
//                if (lastOutput.compareAndSet(lastOutputNow, currentTime + 1000 * 60)) {
//                    final int size = size();
//                    final int lastAddedToTotalNow = lastAddedToTotal.getAndSet(size);
//                    final int diff = size - lastAddedToTotalNow;
//                    totalSize.addAndGet(diff);
//
//                    System.out.println("CLQ STATS: name: " + name + " size: " + size);
//                }
//            }
//
//            final long lastTotalOutputNow = lastTotalOutput.get();
//            if (currentTime - lastTotalOutputNow > 1000 * 60) {
//                if (lastTotalOutput.compareAndSet(lastTotalOutputNow, currentTime + 1000 * 60)) {
//                    System.out.println("CLQ TOTAL STATS: " + totalSize.get());
//                }
//            }
//
//            return true;
//        }
//
//        return false;
//    }

}