@Override
public Queue updateQueue(String queuePath, Queue queue) {
queue.setPath(queuePath);
UUID timestampUuid = newTimeUUID();
long timestamp = getTimestampInMicros(timestampUuid);
Mutator<ByteBuffer> batch = createMutator(cass.getApplicationKeyspace(applicationId), be);
addQueueToMutator(batch, queue, timestamp);
try {
batchUpdateQueuePropertiesIndexes(
batch, queuePath, queue.getUuid(), queue.getProperties(), timestampUuid);
} catch (Exception e) {
logger.error("Unable to update queue", e);
}
batch.addInsertion(
bytebuffer(queue.getUuid()),
QUEUE_PROPERTIES.getColumnFamily(),
createColumn(QUEUE_CREATED, timestamp / 1000, Long.MAX_VALUE - timestamp, se, le));
batch.addInsertion(
bytebuffer(queue.getUuid()),
QUEUE_PROPERTIES.getColumnFamily(),
createColumn(QUEUE_MODIFIED, timestamp / 1000, timestamp, se, le));
batchExecute(batch, RETRY_COUNT);
return queue;
}
@Override
public QueueSet unsubscribeFromQueues(
String subscriberQueuePath, List<String> publisherQueuePaths) {
subscriberQueuePath = normalizeQueuePath(subscriberQueuePath);
UUID subscriberQueueId = getQueueId(subscriberQueuePath);
UUID timestampUuid = newTimeUUID();
long timestamp = getTimestampInMicros(timestampUuid);
Mutator<ByteBuffer> batch = createMutator(cass.getApplicationKeyspace(applicationId), be);
QueueSet queues = new QueueSet();
for (String publisherQueuePath : publisherQueuePaths) {
publisherQueuePath = normalizeQueuePath(publisherQueuePath);
UUID publisherQueueId = getQueueId(publisherQueuePath);
batchUnsubscribeFromQueue(
batch,
publisherQueuePath,
publisherQueueId,
subscriberQueuePath,
subscriberQueueId,
timestamp);
try {
Queue queue = getQueue(subscriberQueuePath, subscriberQueueId);
batchUpdateQueuePropertiesIndexes(
batch,
publisherQueueId,
subscriberQueuePath,
subscriberQueueId,
emptyMapWithKeys(queue.getProperties()),
timestampUuid);
} catch (Exception e) {
logger.error("Unable to update index", e);
}
queues.addQueue(publisherQueuePath, publisherQueueId);
}
batchExecute(batch, RETRY_COUNT);
return queues;
}
@Override
public QueueSet subscribeToQueue(String publisherQueuePath, String subscriberQueuePath) {
publisherQueuePath = normalizeQueuePath(publisherQueuePath);
UUID publisherQueueId = getQueueId(publisherQueuePath);
subscriberQueuePath = normalizeQueuePath(subscriberQueuePath);
UUID subscriberQueueId = getQueueId(subscriberQueuePath);
UUID timestampUuid = newTimeUUID();
long timestamp = getTimestampInMicros(timestampUuid);
Mutator<ByteBuffer> batch = createMutator(cass.getApplicationKeyspace(applicationId), be);
batchSubscribeToQueue(
batch,
publisherQueuePath,
publisherQueueId,
subscriberQueuePath,
subscriberQueueId,
timestamp);
try {
Queue queue = getQueue(subscriberQueuePath, subscriberQueueId);
if (queue != null) {
batchUpdateQueuePropertiesIndexes(
batch,
publisherQueueId,
subscriberQueuePath,
subscriberQueueId,
queue.getProperties(),
timestampUuid);
}
} catch (Exception e) {
logger.error("Unable to update index", e);
}
batchExecute(batch, RETRY_COUNT);
return new QueueSet().addQueue(subscriberQueuePath, subscriberQueueId);
}