Method add

src/main/java/me/contaria/seedqueue/SeedQueue.java:166–174

Adds the given SeedQueueEntry to the queue.

(SeedQueueEntry entry)

     * Adds the given {@link SeedQueueEntry} to the queue.
     */
    public static void add(SeedQueueEntry entry) {
        synchronized (LOCK) {
            if (SEED_QUEUE.contains(entry)) {
                throw new IllegalArgumentException("Tried to add a SeedQueueEntry that is already in queue!");
            }
            SEED_QUEUE.add(Objects.requireNonNull(entry));
        }
        ping();
    }

    /**
     * Discards the given {@link SeedQueueEntry} and removes it from the queue.