/**
* This generates a map for use on the recalculation and recovery of pending maps after reloading
* it
*
* @param queues
* @param pendingNonTXPageCounter
* @param txRecoverCounter
* @return
* @throws Exception
*/
private Map<SimpleString, Map<Long, Map<Long, List<PageCountPending>>>>
generateMapsOnPendingCount(
Map<Long, Queue> queues,
List<PageCountPending> pendingNonTXPageCounter,
Transaction txRecoverCounter)
throws Exception {
Map<SimpleString, Map<Long, Map<Long, List<PageCountPending>>>> perAddressMap = new HashMap<>();
for (PageCountPending pgCount : pendingNonTXPageCounter) {
long queueID = pgCount.getQueueID();
long pageID = pgCount.getPageID();
// We first figure what Queue is based on the queue id
Queue queue = queues.get(queueID);
if (queue == null) {
logger.debug(
"removing pending page counter id = "
+ pgCount.getID()
+ " as queueID="
+ pgCount.getID()
+ " no longer exists");
// this means the queue doesn't exist any longer, we will remove it from the storage
storageManager.deletePendingPageCounter(txRecoverCounter.getID(), pgCount.getID());
txRecoverCounter.setContainsPersistent();
continue;
}
// Level 1 on the structure, per address
SimpleString address = queue.getAddress();
Map<Long, Map<Long, List<PageCountPending>>> perPageMap = perAddressMap.get(address);
if (perPageMap == null) {
perPageMap = new HashMap<>();
perAddressMap.put(address, perPageMap);
}
Map<Long, List<PageCountPending>> perQueueMap = perPageMap.get(pageID);
if (perQueueMap == null) {
perQueueMap = new HashMap<>();
perPageMap.put(pageID, perQueueMap);
}
List<PageCountPending> pendingCounters = perQueueMap.get(queueID);
if (pendingCounters == null) {
pendingCounters = new LinkedList<>();
perQueueMap.put(queueID, pendingCounters);
}
pendingCounters.add(pgCount);
perQueueMap.put(queueID, pendingCounters);
}
return perAddressMap;
}
