+ private void commitTimeoutCheck() {
+ store.checkForExpiredTransactions(transactionCommitTimeout, this::updateAccess);
+ commitCoordinator.checkForExpiredTransactions(transactionCommitTimeout, this);
+ requestMessageAssembler.checkExpiredAssembledMessageState();
+ }
+
+ private Optional<Long> updateAccess(final SimpleShardDataTreeCohort cohort) {
+ final FrontendIdentifier frontend = cohort.getIdentifier().getHistoryId().getClientId().getFrontendId();
+ final LeaderFrontendState state = knownFrontends.get(frontend);
+ if (state == null) {
+ // Not tell-based protocol, do nothing
+ return Optional.absent();
+ }
+
+ if (isIsolatedLeader()) {
+ // We are isolated and no new request can come through until we emerge from it. We are still updating
+ // liveness of frontend when we see it attempting to communicate. Use the last access timer.
+ return Optional.of(state.getLastSeenTicks());
+ }
+
+ // If this frontend has freshly connected, give it some time to catch up before killing its transactions.
+ return Optional.of(state.getLastConnectTicks());
+ }
+