protected final String sendSQSMessage(NevadoQueue queue, String serializedMessage)
throws JMSException {
SQSQueue sqsQueue = getSQSQueue(queue);
if (_log.isDebugEnabled()) {
_log.debug("Sending message: " + serializedMessage);
}
return sqsQueue.sendMessage(serializedMessage);
}
public final void resetMessage(NevadoMessage message) throws JMSException {
String sqsReceiptHandle = (String) message.getNevadoProperty(NevadoProperty.SQSReceiptHandle);
if (sqsReceiptHandle == null) {
throw new JMSException(
"Message does not contain an SQSReceiptHandle, so cannot be reset. "
+ "Did this come from an SQS queue?");
}
SQSQueue sqsQueue = getSQSQueue(message.getNevadoDestination());
sqsQueue.setMessageVisibilityTimeout(sqsReceiptHandle, 0);
}
protected final SQSMessage receiveSQSMessage(
NevadoConnection connection,
NevadoDestination destination,
long timeoutMs,
long startTimeMs,
SQSQueue sqsQueue)
throws JMSException, InterruptedException {
SQSMessage sqsMessage;
while (true) {
if (connection.isRunning()) {
sqsMessage = sqsQueue.receiveMessage();
if (sqsMessage != null && !connection.isRunning()) {
// Connection was stopped while the REST call to SQS was being made
try {
sqsQueue.setMessageVisibilityTimeout(
sqsMessage.getReceiptHandle(),
0); // Make it immediately available to the next requestor
} catch (JMSException e) {
String exMessage = "Unable to reset visibility timeout for message: " + e.getMessage();
_log.warn(
exMessage,
e); // Non-fatal. Just means the message will disappear until the visibility
// timeout expires.
}
sqsMessage = null;
}
} else {
_log.debug("Not accepting messages. Connection is paused or not started.");
sqsMessage = null;
}
// Check for message or timeout
if (sqsMessage != null
|| (timeoutMs > -1 && (new Date().getTime() - startTimeMs) >= timeoutMs)) {
break;
}
Thread.sleep(_receiveCheckIntervalMs);
}
if (_log.isDebugEnabled()) {
_log.debug(
"Received message: " + ((sqsMessage != null) ? sqsMessage.getMessageBody() : null));
}
return sqsMessage;
}
@Override
public void deleteQueue(NevadoQueue queue) throws JMSException {
SQSQueue sqsQueue = getSQSQueue(queue);
sqsQueue.deleteQueue();
}
public final void deleteMessage(NevadoMessage message) throws JMSException {
SQSQueue sqsQueue = getSQSQueue(message.getNevadoDestination());
String sqsReceiptHandle = getSQSReceiptHandle(message);
sqsQueue.deleteMessage(sqsReceiptHandle);
}
