Package com.google.protobuf

Examples of com.google.protobuf.ByteString$CodedBuilder

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        assertTrue(consumeQueue.take());
    }

    @Test
    public void testAsyncSubscribeAndUnsubscribe() throws Exception {
        ByteString topic = ByteString.copyFromUtf8("myAsyncUnsubTopic");
        ByteString subscriberId = ByteString.copyFromUtf8("1");
        subscriber.asyncSubscribe(topic, subscriberId, CreateOrAttach.CREATE_OR_ATTACH, new TestCallback(), null);
        assertTrue(queue.take());
        subscriber.asyncUnsubscribe(topic, subscriberId, new TestCallback(), null);
        assertTrue(queue.take());
    }
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        assertTrue(unsubscribeSuccess);
    }

    @Test
    public void testAsyncSubscribeAndCloseSubscription() throws Exception {
        ByteString topic = ByteString.copyFromUtf8("myAsyncSubAndCloseSubTopic");
        ByteString subscriberId = ByteString.copyFromUtf8("1");
        subscriber.asyncSubscribe(topic, subscriberId, CreateOrAttach.CREATE_OR_ATTACH, new TestCallback(), null);
        assertTrue(queue.take());
        subscriber.closeSubscription(topic, subscriberId);
        assertTrue(true);
    }
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     * ensure that the next readAheadCount messages are always available.
     *
     * @return the range scan that should be issued for read ahead
     */
    protected RangeScanRequest doReadAhead(ScanRequest request) {
        ByteString topic = request.getTopic();
        Long seqId = request.getStartSeqId();

        int readAheadCount = cfg.getReadAheadCount();
        // To prevent us from getting screwed by bad configuration
        readAheadCount = Math.max(1, readAheadCount);
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                                     boolean pruneTopic) {

        assert seqId != null;

        // remove this subscriber from the delivery pointers data structure
        ByteString topic = subscriber.getTopic();
        SortedMap<Long, Set<ActiveSubscriberState>> deliveryPtrs = perTopicDeliveryPtrs.get(topic);

        if (deliveryPtrs == null && !isAbsenceOk) {
            throw new UnexpectedError("No delivery pointers found while disconnecting " + "channel for topic:" + topic);
        }
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    // references?

    private static ConcurrentMap<ByteString, ByteString> map = new ConcurrentHashMap<ByteString, ByteString>();

    public static ByteString intern(ByteString in) {
        ByteString presentValueInMap = map.get(in);
        if (presentValueInMap != null) {
            return presentValueInMap;
        }

        presentValueInMap = map.putIfAbsent(in, in);
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            this.newSeqId = newSeqId;
        }

        @Override
        public void performRequest() {
            ByteString topic = subscriber.getTopic();
            long prevMinSeqId = getMinimumSeqId(topic);

            if (subscriber.isConnected()) {
                removeDeliveryPtr(subscriber, oldSeqId, //
                                  // isAbsenceOk=
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        // 300 subscribers subscribe to a same topic
        final AtomicBoolean inRedirectLoop = new AtomicBoolean(false);
        numDone.set(0);
        for (int i=0; i<numSubscribers; i++) {
            ByteString subId = ByteString.copyFromUtf8("sub-" + i);
            if (logger.isDebugEnabled()) {
                logger.debug("subscriber " + subId.toStringUtf8() + " subscribes topic " + topic.toStringUtf8());
            }
            subscriber.asyncSubscribe(topic, subId, CreateOrAttach.CREATE_OR_ATTACH,
                new Callback<Void>() {
               
                    private void tick() {
                        if (numDone.incrementAndGet() == numSubscribers) {
                            ConcurrencyUtils.put(queue, true);
                        }
                    }

                    @Override
                    public void operationFinished(Object ctx,
                            Void resultOfOperation) {
                        tick();
                    }

                    @Override
                    public void operationFailed(Object ctx,
                            PubSubException exception) {
                        if (exception instanceof PubSubException.ServiceDownException) {
                            String msg = exception.getMessage();
                            if (msg.indexOf("ServerRedirectLoopException") > 0) {
                                inRedirectLoop.set(true);
                            }
                            if (logger.isDebugEnabled()) {
                                logger.debug("Operation failed : ", exception);
                            }
                        }
                        tick();
                    }
               
                },
            null);
        }
       
        queue.take();
       
        // TODO: remove comment after we fix the issue
        // Assert.assertEquals(false, inRedirectLoop.get());
       
        // start a thread to send subscriptions
        numDone.set(0);
        Thread sub = new Thread(new Runnable() {

            @Override
            public void run() {
                logger.info("sub thread started");
                try {
                    // 100 subscribers subscribe to a same topic
                    for (int i=0; i<numSubscribers; i++) {
                        ByteString subscriberId = ByteString.copyFromUtf8("sub-" + i);
                        subscribers.put(subscriberId);
                    }
                   
                    ByteString subId;
                    while (true) {
                        subId = subscribers.take();
                       
                        if (logger.isDebugEnabled()) {
                            logger.debug("subscriber " + subId.toStringUtf8() + " subscribes topic " + topic.toStringUtf8());
                        }
                        subscriber.asyncSubscribe(topic, subId, CreateOrAttach.CREATE_OR_ATTACH,
                            new SubCallback(subId), null);
                    }
                    // subscriber.asyncSubscribe(topic, subscriberId, mode, callback, context)
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        Connection conn = threadLocalConnection.get();

        Callback<Long> callback = request.getCallback();
        Object ctx = request.getCtx();
        ByteString topic = request.getTopic();
        Message message = request.getMessage();

        if (conn == null) {
            callback.operationFailed(ctx, new ServiceDownException("Not connected to derby"));
            return;
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                final AtomicBoolean failed = new AtomicBoolean();
                final AtomicInteger count = new AtomicInteger();

                for (final String child : children) {

                    final ByteString subscriberId = ByteString.copyFromUtf8(child);
                    final String childPath = path + "/" + child;

                    zk.getData(childPath, false, new SafeAsyncZKCallback.DataCallback() {
                        @Override
                        public void safeProcessResult(int rc, String path, Object ctx, byte[] data, Stat stat) {

                            if (rc != Code.OK.intValue()) {
                                KeeperException e = ZkUtils.logErrorAndCreateZKException(
                                                        "Could not read subscription data for topic: " + topic.toStringUtf8()
                                                        + ", subscriberId: " + subscriberId.toStringUtf8(), path, rc);
                                reportFailure(new PubSubException.ServiceDownException(e));
                                return;
                            }

                            if (failed.get()) {
                                return;
                            }

                            SubscriptionState state;

                            try {
                                state = SubscriptionState.parseFrom(data);
                            } catch (InvalidProtocolBufferException ex) {
                                String msg = "Failed to deserialize state for topic: " + topic.toStringUtf8()
                                             + " subscriberId: " + subscriberId.toStringUtf8();
                                logger.error(msg, ex);
                                reportFailure(new PubSubException.UnexpectedConditionException(msg));
                                return;
                            }
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        Assert.assertEquals(me, check(addrCbq.take()));

        ServerConfiguration cfg1 = new CustomServerConfiguration(cfg.getServerPort() + 1);
        new ZkTopicManager(zk, cfg1, scheduler);

        ByteString topic1 = mkTopic(1);
        tm.getOwner(topic1, false, addrCbq, null);
        Assert.assertEquals(cfg1.getServerAddr(), check(addrCbq.take()));

    }
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