public QueueIndexUpdate batchUpdateQueueIndex(
QueueIndexUpdate indexUpdate, UUID subcriptionQueueId) throws Exception {
logger.info("batchUpdateQueueIndex");
Mutator<ByteBuffer> batch = indexUpdate.getBatch();
// queue_id,prop_name
Object index_key = key(subcriptionQueueId, indexUpdate.getEntryName());
// subscription_queue_id,subscriber_queue_id,prop_name
for (QueueIndexEntry entry : indexUpdate.getPrevEntries()) {
if (entry.getValue() != null) {
index_key = key(subcriptionQueueId, entry.getPath());
batch.addDeletion(
bytebuffer(index_key),
PROPERTY_INDEX.getColumnFamily(),
entry.getIndexComposite(),
dce,
indexUpdate.getTimestamp());
} else {
logger.error("Unexpected condition - deserialized property value is null");
}
}
if (indexUpdate.getNewEntries().size() > 0) {
for (QueueIndexEntry indexEntry : indexUpdate.getNewEntries()) {
index_key = key(subcriptionQueueId, indexEntry.getPath());
batch.addInsertion(
bytebuffer(index_key),
PROPERTY_INDEX.getColumnFamily(),
createColumn(
indexEntry.getIndexComposite(),
ByteBuffer.allocate(0),
indexUpdate.getTimestamp(),
dce,
be));
}
}
for (String index : indexUpdate.getIndexesSet()) {
batch.addInsertion(
bytebuffer(key(subcriptionQueueId, DICTIONARY_SUBSCRIBER_INDEXES)),
QUEUE_DICTIONARIES.getColumnFamily(),
createColumn(index, ByteBuffer.allocate(0), indexUpdate.getTimestamp(), se, be));
}
return indexUpdate;
}
public QueueSet searchQueueIndex(UUID publisherQueueId, QuerySlice slice, int count)
throws Exception {
ByteBuffer start = null;
if (slice.getCursor() != null) {
start = slice.getCursor();
} else if (slice.getStart() != null) {
DynamicComposite s =
new DynamicComposite(slice.getStart().getCode(), slice.getStart().getValue());
if (!slice.getStart().isInclusive()) {
setEqualityFlag(s, ComponentEquality.GREATER_THAN_EQUAL);
}
start = s.serialize();
}
ByteBuffer finish = null;
if (slice.getFinish() != null) {
DynamicComposite f =
new DynamicComposite(slice.getFinish().getCode(), slice.getFinish().getValue());
if (slice.getFinish().isInclusive()) {
setEqualityFlag(f, ComponentEquality.GREATER_THAN_EQUAL);
}
finish = f.serialize();
}
if (slice.isReversed() && (start != null) && (finish != null)) {
ByteBuffer temp = start;
start = finish;
finish = temp;
}
List<HColumn<ByteBuffer, ByteBuffer>> results =
createSliceQuery(cass.getApplicationKeyspace(applicationId), be, be, be)
.setColumnFamily(PROPERTY_INDEX.getColumnFamily())
.setKey(bytebuffer(key(publisherQueueId, slice.getPropertyName())))
.setRange(start, finish, slice.isReversed(), count)
.execute()
.get()
.getColumns();
QueueSet queues = new QueueSet();
for (HColumn<ByteBuffer, ByteBuffer> column : results) {
DynamicComposite c = DynamicComposite.fromByteBuffer(column.getName());
queues.addQueue(c.get(3, se), c.get(2, ue));
}
return queues;
}