Often, these handlers are adding something to the queue like `client.AddEventHandler(controllers.ObjectHandler(queue.AddObject))`.
Construction should NOT actually start running all of these things, do I/O, or block in anyway.

Running the controller actually starts processing things.
Normally, this just means running the queue.

                return;
            }

            FileChannel channel = null;
            FileLock lock = null;
            try {
                Properties props = new Properties();

                channel = new RandomAccessFile(touchfile, "rw").getChannel();
                lock = channel.lock();

                if (touchfile.canRead()) {

						<span class="favorited"><i class="fas fa-star"></i></span>
					</c:if>
				</div>
			</li>
		</c:forEach>
	</ol>
	<aside class="col-md-4 d-none d-md-block">
		<%-- Side Content --%>
		<c:if test="${facetResponse != null}">
			<c:forEach var="fieldData" items="${facetResponse.fieldList}">
				<c:if

                    if(listNum>0 && $textArea.val().length >= settingMinTerm) {
                        $boxElement.html("");
                        $boxElement.append($olEle);
                        $boxElement.css("display","block");
                    } else {
                        $boxElement.css("display","none");
                    }
                } else {
                    $boxElement.css("display","none");
                }

        } else if (title.matches('(?i).* blocks')) {
            mergeBlocks(typeTable, model)
        } else {
            return
        }

        typeTable['@role'] = 'dslTypes'
    }

    def mergeBlocks(Element blocksTable, DslDocModel model) {
        blocksTable.addFirst {
            thead {
                tr {
                    td('Block')
                    td('Description')

	// stop the replay go-routine.
	if h.store != nil {
		h.storeCtxCancel()
	}

	// Set logch to nil and close it.
	// This will block all Send operations,
	// and finish the existing ones.
	// All future ones will be discarded.
	h.logChMu.Lock()
	xioutil.SafeClose(h.logCh)
	h.logCh = nil
	h.logChMu.Unlock()

	if h.producer != nil {
		h.producer.Close()
		h.client.Close()
	}

import javax.annotation.CheckForNull;
import org.checkerframework.checker.nullness.qual.Nullable;

/**
 * Serializes execution of tasks, somewhat like an "asynchronous {@code synchronized} block." Each
 * {@linkplain #submit enqueued} callable will not be submitted to its associated executor until the
 * previous callable has returned -- and, if the previous callable was an {@link AsyncCallable}, not

					// Number of full blocks in skipped area
					seqNum = uint32(compOff / SSEDAREPackageBlockSize)
					// Skip this many inside a decrypted block to get to compression block start
					decryptSkip = compOff % SSEDAREPackageBlockSize
					// Skip this number of full blocks.
					skipEnc := compOff / SSEDAREPackageBlockSize
					skipEnc *= sseDAREEncPackageBlockSize

	// Max time between client calls before dropping an async cache listing.
	metacacheMaxClientWait = 3 * time.Minute

	// metacacheBlockSize is the number of file/directory entries to have in each block.
	metacacheBlockSize = 5000

	// metacacheSharePrefix controls whether prefixes on dirty paths are always shared.
	// This will make `test/a` and `test/b` share listings if they are concurrent.

      }

      /**
       * Blocks until the task is complete or the timeout expires. Throws a {@link TimeoutException}
       * if the timer expires, otherwise behaves like {@link #get()}.
       */
      V get(long nanos)
          throws TimeoutException, CancellationException, ExecutionException, InterruptedException {

        // Attempt to acquire the shared lock with a timeout.