Source:
<code>public void cleanupCompletedTransactions() { if (completedTransactions.isEmpty()) return; try { log.tracef("About to cleanup completed transaction. Initial size is %d", completedTransactions.size()); long beginning = timeService.time(); long minCompleteTimestamp = timeService.time() - TimeUnit.MILLISECONDS.toNanos(configuration.transaction().completedTxTimeout()); int removedEntries = 0; <START> Set<Address> leavers = new HashSet<Address>(); <END> for (Map.Entry<Address, Long> e : nodeMaxPrunedTxIds.entrySet()) { if (!rpcManager.getMembers().contains(e.getKey())) { leavers.add(e.getKey()); } } Iterator<Map.Entry<GlobalTransaction, CompletedTransactionInfo>> txIterator = completedTransactions.entrySet().iterator(); while (txIterator.hasNext()) { Map.Entry<GlobalTransaction, CompletedTransactionInfo> e = txIterator.next(); CompletedTransactionInfo completedTx = e.getValue(); if (minCompleteTimestamp - completedTx.timestamp > 0) { final long txId = e.getKey().getId(); final Address address = e.getKey().getAddress(); updateLastPrunedTxId(txId, address); txIterator.remove(); removedEntries++; } else { leavers.remove(e.getKey().getAddress()); } } for (Address e : leavers) { nodeMaxPrunedTxIds.remove(e); } long duration = timeService.timeDuration(beginning, TimeUnit.MILLISECONDS); log.tracef("Finished cleaning up completed transactions. %d transactions were removed, total duration was %d millis, " + "current number of completed transactions is %d", removedEntries, duration, completedTransactions.size()); } catch (Exception e) { log.errorf(e, "Failed to cleanup completed transactions: %s", e.getMessage()); } }</code><technical_language>in java 7 :)</technical_language>

Target:
public void cleanupCompletedTransactions() { if (completedTransactions.isEmpty()) return; try { log.tracef("About to cleanup completed transaction. Initial size is %d", completedTransactions.size()); long beginning = timeService.time(); long minCompleteTimestamp = timeService.time() - TimeUnit.MILLISECONDS.toNanos(configuration.transaction().completedTxTimeout()); int removedEntries = 0; Set<Address> leavers = new HashSet<>(); for (Map.Entry<Address, Long> e : nodeMaxPrunedTxIds.entrySet()) { if (!rpcManager.getMembers().contains(e.getKey())) { leavers.add(e.getKey()); } } Iterator<Map.Entry<GlobalTransaction, CompletedTransactionInfo>> txIterator = completedTransactions.entrySet().iterator(); while (txIterator.hasNext()) { Map.Entry<GlobalTransaction, CompletedTransactionInfo> e = txIterator.next(); CompletedTransactionInfo completedTx = e.getValue(); if (minCompleteTimestamp - completedTx.timestamp > 0) { final long txId = e.getKey().getId(); final Address address = e.getKey().getAddress(); updateLastPrunedTxId(txId, address); txIterator.remove(); removedEntries++; } else { leavers.remove(e.getKey().getAddress()); } } for (Address e : leavers) { nodeMaxPrunedTxIds.remove(e); } long duration = timeService.timeDuration(beginning, TimeUnit.MILLISECONDS); log.tracef("Finished cleaning up completed transactions. %d transactions were removed, total duration was %d millis, " + "current number of completed transactions is %d", removedEntries, duration, completedTransactions.size()); } catch (Exception e) { log.errorf(e, "Failed to cleanup completed transactions: %s", e.getMessage()); } }