Java Code Examples for com.amazonaws.services.sqs.model.SendMessageBatchRequestEntry#setDelaySeconds()

The following examples show how to use com.amazonaws.services.sqs.model.SendMessageBatchRequestEntry#setDelaySeconds() . 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: PutSQS.java From localization_nifi with Apache License 2.0

4 votes

@Override
public void onTrigger(final ProcessContext context, final ProcessSession session) {
    FlowFile flowFile = session.get();
    if (flowFile == null) {
        return;
    }

    final long startNanos = System.nanoTime();
    final AmazonSQSClient client = getClient();
    final SendMessageBatchRequest request = new SendMessageBatchRequest();
    final String queueUrl = context.getProperty(QUEUE_URL).evaluateAttributeExpressions(flowFile).getValue();
    request.setQueueUrl(queueUrl);

    final Set<SendMessageBatchRequestEntry> entries = new HashSet<>();

    final SendMessageBatchRequestEntry entry = new SendMessageBatchRequestEntry();
    entry.setId(flowFile.getAttribute("uuid"));
    final ByteArrayOutputStream baos = new ByteArrayOutputStream();
    session.exportTo(flowFile, baos);
    final String flowFileContent = baos.toString();
    entry.setMessageBody(flowFileContent);

    final Map<String, MessageAttributeValue> messageAttributes = new HashMap<>();

    for (final PropertyDescriptor descriptor : userDefinedProperties) {
        final MessageAttributeValue mav = new MessageAttributeValue();
        mav.setDataType("String");
        mav.setStringValue(context.getProperty(descriptor).evaluateAttributeExpressions(flowFile).getValue());
        messageAttributes.put(descriptor.getName(), mav);
    }

    entry.setMessageAttributes(messageAttributes);
    entry.setDelaySeconds(context.getProperty(DELAY).asTimePeriod(TimeUnit.SECONDS).intValue());
    entries.add(entry);

    request.setEntries(entries);

    try {
        client.sendMessageBatch(request);
    } catch (final Exception e) {
        getLogger().error("Failed to send messages to Amazon SQS due to {}; routing to failure", new Object[]{e});
        flowFile = session.penalize(flowFile);
        session.transfer(flowFile, REL_FAILURE);
        return;
    }

    getLogger().info("Successfully published message to Amazon SQS for {}", new Object[]{flowFile});
    session.transfer(flowFile, REL_SUCCESS);
    final long transmissionMillis = TimeUnit.NANOSECONDS.toMillis(System.nanoTime() - startNanos);
    session.getProvenanceReporter().send(flowFile, queueUrl, transmissionMillis);
}

Example 2

Source File: PutSQS.java From nifi with Apache License 2.0

4 votes

@Override
public void onTrigger(final ProcessContext context, final ProcessSession session) {
    FlowFile flowFile = session.get();
    if (flowFile == null) {
        return;
    }

    final long startNanos = System.nanoTime();
    final AmazonSQSClient client = getClient();
    final SendMessageBatchRequest request = new SendMessageBatchRequest();
    final String queueUrl = context.getProperty(QUEUE_URL).evaluateAttributeExpressions(flowFile).getValue();
    request.setQueueUrl(queueUrl);

    final Set<SendMessageBatchRequestEntry> entries = new HashSet<>();

    final SendMessageBatchRequestEntry entry = new SendMessageBatchRequestEntry();
    entry.setId(flowFile.getAttribute("uuid"));
    final ByteArrayOutputStream baos = new ByteArrayOutputStream();
    session.exportTo(flowFile, baos);
    final String flowFileContent = baos.toString();
    entry.setMessageBody(flowFileContent);

    final Map<String, MessageAttributeValue> messageAttributes = new HashMap<>();

    for (final PropertyDescriptor descriptor : userDefinedProperties) {
        final MessageAttributeValue mav = new MessageAttributeValue();
        mav.setDataType("String");
        mav.setStringValue(context.getProperty(descriptor).evaluateAttributeExpressions(flowFile).getValue());
        messageAttributes.put(descriptor.getName(), mav);
    }

    entry.setMessageAttributes(messageAttributes);
    entry.setDelaySeconds(context.getProperty(DELAY).asTimePeriod(TimeUnit.SECONDS).intValue());
    entries.add(entry);

    request.setEntries(entries);

    try {
        SendMessageBatchResult response = client.sendMessageBatch(request);

        // check for errors
        if (!response.getFailed().isEmpty()) {
            throw new ProcessException(response.getFailed().get(0).toString());
        }
    } catch (final Exception e) {
        getLogger().error("Failed to send messages to Amazon SQS due to {}; routing to failure", new Object[]{e});
        flowFile = session.penalize(flowFile);
        session.transfer(flowFile, REL_FAILURE);
        return;
    }

    getLogger().info("Successfully published message to Amazon SQS for {}", new Object[]{flowFile});
    session.transfer(flowFile, REL_SUCCESS);
    final long transmissionMillis = TimeUnit.NANOSECONDS.toMillis(System.nanoTime() - startNanos);
    session.getProvenanceReporter().send(flowFile, queueUrl, transmissionMillis);
}