protected void updateStateOnNodesLeaving(Collection<Address> leavers) {
Set<GlobalTransaction> toKill = new HashSet<GlobalTransaction>();
for (GlobalTransaction gt : remoteTransactions.keySet()) {
if (leavers.contains(gt.getAddress())) toKill.add(gt);
}
if (toKill.isEmpty())
log.tracef(
"No global transactions pertain to originator(s) %s who have left the cluster.", leavers);
else
log.tracef(
"%s global transactions pertain to leavers list %s and need to be killed",
toKill.size(), leavers);
for (GlobalTransaction gtx : toKill) {
log.tracef("Killing remote transaction originating on leaver %s", gtx);
RollbackCommand rc = new RollbackCommand(cacheName, gtx);
rc.init(invoker, icc, TransactionTable.this);
try {
rc.perform(null);
log.tracef("Rollback of transaction %s complete.", gtx);
} catch (Throwable e) {
log.unableToRollbackGlobalTx(gtx, e);
}
}
log.trace("Completed cleaning transactions originating on leavers");
}
private void killTransaction(GlobalTransaction gtx) {
RollbackCommand rc = new RollbackCommand(cacheName, gtx);
rc.init(invoker, icf, TransactionTable.this);
try {
rc.perform(null);
if (trace) log.tracef("Rollback of transaction %s complete.", gtx);
} catch (Throwable e) {
log.unableToRollbackGlobalTx(gtx, e);
}
}
public void cleanupStaleTransactions(CacheTopology cacheTopology) {
int topologyId = cacheTopology.getTopologyId();
List<Address> members = cacheTopology.getMembers();
// We only care about transactions originated before this topology update
if (getMinTopologyId() >= topologyId) return;
log.tracef(
"Checking for transactions originated on leavers. Current members are %s, remote transactions: %d",
members, remoteTransactions.size());
Set<GlobalTransaction> toKill = new HashSet<GlobalTransaction>();
for (Map.Entry<GlobalTransaction, RemoteTransaction> e : remoteTransactions.entrySet()) {
GlobalTransaction gt = e.getKey();
RemoteTransaction remoteTx = e.getValue();
log.tracef("Checking transaction %s", gt);
// The topology id check is needed for joiners
if (remoteTx.getTopologyId() < topologyId && !members.contains(gt.getAddress())) {
toKill.add(gt);
}
}
if (toKill.isEmpty()) {
log.tracef("No global transactions pertain to originator(s) who have left the cluster.");
} else {
log.tracef("%s global transactions pertain to leavers and need to be killed", toKill.size());
}
for (GlobalTransaction gtx : toKill) {
log.tracef("Killing remote transaction originating on leaver %s", gtx);
RollbackCommand rc = new RollbackCommand(cacheName, gtx);
rc.init(invoker, icc, TransactionTable.this);
try {
rc.perform(null);
log.tracef("Rollback of transaction %s complete.", gtx);
} catch (Throwable e) {
log.unableToRollbackGlobalTx(gtx, e);
}
}
log.tracef(
"Completed cleaning transactions originating on leavers. Remote transactions remaining: %d",
remoteTransactions.size());
}