Java Code Examples for org.apache.nifi.util.StopWatch#getElapsed()

The following examples show how to use org.apache.nifi.util.StopWatch#getElapsed() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: GetFileTransfer.java    From localization_nifi with Apache License 2.0 5 votes vote down vote up 
private void fetchListing(final ProcessContext context, final ProcessSession session, final FileTransfer transfer) throws IOException {
    BlockingQueue<FileInfo> queue = fileQueueRef.get();
    if (queue == null) {
        final boolean useNaturalOrdering = context.getProperty(FileTransfer.USE_NATURAL_ORDERING).asBoolean();
        queue = useNaturalOrdering ? new PriorityBlockingQueue<FileInfo>(25000) : new LinkedBlockingQueue<FileInfo>(25000);
        fileQueueRef.set(queue);
    }

    final StopWatch stopWatch = new StopWatch(true);
    final List<FileInfo> listing = transfer.getListing();
    final long millis = stopWatch.getElapsed(TimeUnit.MILLISECONDS);

    int newItems = 0;
    mutuallyExclusiveTransferLock.lock();
    try {
        for (final FileInfo file : listing) {
            if (!queue.contains(file) && !processing.contains(file)) {
                if (!queue.offer(file)) {
                    break;
                }
                newItems++;
            }
        }
    } finally {
        mutuallyExclusiveTransferLock.unlock();
    }

    getLogger().info("Obtained file listing in {} milliseconds; listing had {} items, {} of which were new",
            new Object[]{millis, listing.size(), newItems});
}
Example 2
Source File: GetFileTransfer.java    From nifi with Apache License 2.0 5 votes vote down vote up 
private void fetchListing(final ProcessContext context, final ProcessSession session, final FileTransfer transfer) throws IOException {
    BlockingQueue<FileInfo> queue = fileQueueRef.get();
    if (queue == null) {
        final boolean useNaturalOrdering = context.getProperty(FileTransfer.USE_NATURAL_ORDERING).asBoolean();
        queue = useNaturalOrdering ? new PriorityBlockingQueue<FileInfo>(25000) : new LinkedBlockingQueue<FileInfo>(25000);
        fileQueueRef.set(queue);
    }

    final StopWatch stopWatch = new StopWatch(true);
    final List<FileInfo> listing = transfer.getListing();
    final long millis = stopWatch.getElapsed(TimeUnit.MILLISECONDS);

    int newItems = 0;
    mutuallyExclusiveTransferLock.lock();
    try {
        for (final FileInfo file : listing) {
            if (!queue.contains(file) && !processing.contains(file)) {
                if (!queue.offer(file)) {
                    break;
                }
                newItems++;
            }
        }
    } finally {
        mutuallyExclusiveTransferLock.unlock();
    }

    getLogger().info("Obtained file listing in {} milliseconds; listing had {} items, {} of which were new",
            new Object[]{millis, listing.size(), newItems});
}