Package org.apache.hedwig.protocol.PubSubProtocol

Examples of org.apache.hedwig.protocol.PubSubProtocol.Message

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        CountDownLatch l = new CountDownLatch(numMessages);

        TestCallback firstCallback = null;
        for (int i = 0; i < numMessages; i++) {
            Message m = Message.newBuilder().setBody(ByteString.copyFromUtf8(String.valueOf(i))).build();
            TestCallback cb = new TestCallback(l);
            if (firstCallback == null) {
                firstCallback = cb;
            }
            pm.persistMessage(new PersistRequest(topic, m, cb, null));
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        // Lets scan now
        StubScanCallback scanCallback = new StubScanCallback();
        bkpm.scanMessages(new RangeScanRequest(topic, 1, NUM_MESSAGES_TO_TEST, Long.MAX_VALUE, scanCallback, null));
        for (int i = 0; i < messages.size(); i++) {
            Message scannedMessage = ConcurrencyUtils.take(scanCallback.queue).left();
            assertTrue(messages.get(i).getBody().equals(scannedMessage.getBody()));
            assertEquals(i + 1, scannedMessage.getMsgId().getLocalComponent());
        }
        assertTrue(StubScanCallback.END_MESSAGE == ConcurrencyUtils.take(scanCallback.queue).left());

    }
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        // Lets scan now
        StubScanCallback scanCallback = new StubScanCallback();
        bkpm.scanMessages(new RangeScanRequest(topic, 1, NUM_MESSAGES_TO_TEST, Long.MAX_VALUE, scanCallback, null));
        for (int i = 0; i < messages.size(); i++) {
            Message scannedMessage = ConcurrencyUtils.take(scanCallback.queue).left();
            assertTrue(messages.get(i).getBody().equals(scannedMessage.getBody()));
            assertEquals(i + 1, scannedMessage.getMsgId().getLocalComponent());
        }
        assertTrue(StubScanCallback.END_MESSAGE == ConcurrencyUtils.take(scanCallback.queue).left());

        // Make the bkpm lose its memory
        bkpm.topicInfos.clear();
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        // Lets scan now
        StubScanCallback scanCallback = new StubScanCallback();
        bkpm.scanMessages(new RangeScanRequest(topic, 1, NUM_MESSAGES_TO_TEST, Long.MAX_VALUE, scanCallback, null));
        for (int i = 0; i < messages.size(); i++) {
            Either<Message,Exception> e = ConcurrencyUtils.take(scanCallback.queue);
            Message scannedMessage = e.left();
            if (scannedMessage == null) {
                throw e.right();
            }

            assertTrue(messages.get(i).getBody().equals(scannedMessage.getBody()));
            assertEquals(i + 1, scannedMessage.getMsgId().getLocalComponent());
        }
        assertTrue(StubScanCallback.END_MESSAGE == ConcurrencyUtils.take(scanCallback.queue).left());

        // Make the bkpm lose its memory
        bkpm.topicInfos.clear();
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        if (index >= messageList.size()) {
            request.getCallback().scanFinished(request.getCtx(), ReasonForFinish.NO_MORE_MESSAGES);
            return;
        }

        Message msg = messageList.get((int) index);
        Message toDeliver = MessageIdUtils.mergeLocalSeqId(msg, request.getStartSeqId());
        request.getCallback().messageScanned(request.getCtx(), toDeliver);
    }
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                                        ArrayListMessageFactory.instance);
            if (startSeqId + i > messageList.size()) {
                request.getCallback().scanFinished(request.getCtx(), ReasonForFinish.NO_MORE_MESSAGES);
                return;
            }
            Message msg = messageList.get((int) startSeqId + i - 1);
            Message toDeliver = MessageIdUtils.mergeLocalSeqId(msg, startSeqId + i);
            request.getCallback().messageScanned(request.getCtx(), toDeliver);

            totalSize += toDeliver.getBody().size();

            if (totalSize > request.getSizeLimit()) {
                request.getCallback().scanFinished(request.getCtx(), ReasonForFinish.SIZE_LIMIT_EXCEEDED);
                return;
            }
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        dataFormatter = EntryFormatter.newEntryFormatter(conf, MESSAGE_PAYLOAD_FORMATTER_CLASS);
    }

    @Override
    public void formatEntry(java.io.InputStream input) {
        Message message;
        try {
            message = Message.parseFrom(input);
        } catch (IOException e) {
            System.out.println("WARN: Unreadable message found\n");
            EntryFormatter.STRING_FORMATTER.formatEntry(input);
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        formatMessage(message);
    }

    @Override
    public void formatEntry(byte[] data) {
        Message message;
        try {
            message = Message.parseFrom(data);
        } catch (IOException e) {
            System.out.println("WARN: Unreadable message found\n");
            EntryFormatter.STRING_FORMATTER.formatEntry(data);
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        for (int i=1; i<=num; i++) {
            PubSubProtocol.Map.Builder propsBuilder = PubSubProtocol.Map.newBuilder()
                .addEntries(PubSubProtocol.Map.Entry.newBuilder().setKey(OPT_MOD)
                            .setValue(ByteString.copyFromUtf8(String.valueOf((start + i) % M))));
            MessageHeader.Builder headerBuilder = MessageHeader.newBuilder().setProperties(propsBuilder);
            Message msg = Message.newBuilder().setBody(
                          ByteString.copyFromUtf8(String.valueOf((start + i))))
                          .setHeader(headerBuilder).build();
            publisher.publish(topic, msg);
        }
    }
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        // start delivery
        OrderCheckingMessageHandler ocm = new OrderCheckingMessageHandler(
                topic, subId, startMsgId, numMsgs);
        subscriber.startDelivery(topic, subId, ocm);
        for (int i=0; i<numMsgs; i++) {
            Message msg = Message.newBuilder().setBody(
                    ByteString.copyFromUtf8(Integer.toString(startMsgId + i))).build();
            publisher.publish(topic, msg);
        }
        logger.info("Publish finished.");
        queue.take();
        logger.info("Deliver finished.");
        // check messages received in order
        assertTrue(ocm.isInOrder());

        // wait for retention secs
        Thread.sleep((RETENTION_SECS_VALUE + 2) * 1000);

        subscriber.stopDelivery(topic, subId);
        subscriber.closeSubscription(topic, subId);

        startMsgId = 20;
        // reconnect it again
        subscriber.subscribe(topic, subId, CreateOrAttach.CREATE_OR_ATTACH);
        ocm = new OrderCheckingMessageHandler(topic, subId, startMsgId, numMsgs);
        subscriber.startDelivery(topic, subId, ocm);
        for (int i=0; i<numMsgs; i++) {
            Message msg = Message.newBuilder().setBody(
                    ByteString.copyFromUtf8(Integer.toString(startMsgId + i))).build();
            publisher.publish(topic, msg);
        }
        queue.take();
        // check messages received in order
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Related Classes of org.apache.hedwig.protocol.PubSubProtocol.Message

  • org.apache.hedwig.admin.console.HedwigConsole$PubCmd
  • org.apache.hedwig.admin.console.HedwigConsole$PubSubCmd
  • org.apache.hedwig.admin.console.ReadTopic
  • org.apache.hedwig.client.benchmark.BenchmarkPublisher
  • org.apache.hedwig.client.handlers.SubscribeResponseHandler
  • org.apache.hedwig.client.netty.impl.AbstractSubscribeResponseHandler
  • org.apache.hedwig.client.netty.impl.simple.SimpleSubscribeResponseHandler
  • org.apache.hedwig.client.TestPubSubClient
  • org.apache.hedwig.data.MessageFormatter
  • org.apache.hedwig.server.delivery.TestFIFODeliveryManager
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