public void cleanupTimedOutTransactions() {
if (trace)
log.tracef(
"About to cleanup remote transactions older than %d ms",
configuration.transaction().completedTxTimeout());
long beginning = timeService.time();
long cutoffCreationTime =
beginning - TimeUnit.MILLISECONDS.toNanos(configuration.transaction().completedTxTimeout());
List<GlobalTransaction> toKill = new ArrayList<>();
// Check remote transactions.
for (Map.Entry<GlobalTransaction, RemoteTransaction> e : remoteTransactions.entrySet()) {
GlobalTransaction gtx = e.getKey();
RemoteTransaction remoteTx = e.getValue();
if (remoteTx != null) {
if (trace) log.tracef("Checking transaction %s", gtx);
// Check the time.
if (remoteTx.getCreationTime() - cutoffCreationTime < 0) {
long duration =
timeService.timeDuration(
remoteTx.getCreationTime(), beginning, TimeUnit.MILLISECONDS);
log.remoteTransactionTimeout(gtx, duration);
toKill.add(gtx);
}
}
}
// Rollback the orphaned transactions and release any held locks.
for (GlobalTransaction gtx : toKill) {
killTransaction(gtx);
}
}
private RemoteTransaction getOrCreateRemoteTransaction(
GlobalTransaction globalTx, WriteCommand[] modifications, int topologyId) {
RemoteTransaction remoteTransaction = remoteTransactions.get(globalTx);
if (remoteTransaction != null) return remoteTransaction;
remoteTransaction =
modifications == null
? txFactory.newRemoteTransaction(globalTx, topologyId)
: txFactory.newRemoteTransaction(modifications, globalTx, topologyId);
RemoteTransaction existing = remoteTransactions.putIfAbsent(globalTx, remoteTransaction);
if (existing != null) {
if (trace) log.tracef("Remote transaction already registered: %s", existing);
return existing;
} else {
if (trace) log.tracef("Created and registered remote transaction %s", remoteTransaction);
if (remoteTransaction.getTopologyId() < minTxTopologyId) {
if (trace)
log.tracef(
"Changing minimum topology ID from %d to %d",
minTxTopologyId, remoteTransaction.getTopologyId());
minTxTopologyId = remoteTransaction.getTopologyId();
}
return remoteTransaction;
}
}
public Set<Object> getLockedKeysForRemoteTransaction(GlobalTransaction gtx) {
RemoteTransaction transaction = remoteTransactions.get(gtx);
if (transaction == null) return InfinispanCollections.emptySet();
return transaction.getLockedKeys();
}
