[ignore] Small code cleanup

Author: adamretter

exist-core/src/main/java/org/exist/storage/recovery/RecoveryManager.java

@@ -149,7 +149,7 @@ public boolean recover() throws LogException {
                     // if the last checkpoint record is not the last record in the file
                     // we need a recovery.
                     if ((lastCheckpoint == null || !lastCheckpoint.getLsn().equals(lastLsn)) &&
-                            txnsStarted.size() > 0) {
+                        !txnsStarted.isEmpty()) {
                         LOG.info("Dirty transactions: {}", txnsStarted.size());
                         // starting recovery: reposition the log reader to the last checkpoint
                         if (lastCheckpoint == null) {
@@ -298,7 +298,7 @@ private void doRecovery(final int txnCount, final Path last, final JournalReader
                 {
                     LOG.info("Second pass: undoing dirty transactions. Uncommitted transactions: {}", runningTxns.size());}
             // see if there are uncommitted transactions pending
-            if (runningTxns.size() > 0) {
+            if (!runningTxns.isEmpty()) {
                 // do a reverse scan of the log, undoing all uncommitted transactions
                 try {
                     final long lastSize = FileUtils.sizeQuietly(last);
@@ -307,9 +307,10 @@ private void doRecovery(final int txnCount, final Path last, final JournalReader
                         if (next.getLogType() == LogEntryTypes.TXN_START) {
                             if (runningTxns.get(next.getTransactionId()) != null) {
                                 runningTxns.remove(next.getTransactionId());
-                                if (runningTxns.size() == 0)
+                                if (runningTxns.isEmpty()) {
                                     // all dirty transactions undone
-                                    {break;}
+                                    break;
+                                }
                             }
                         } else if (next.getLogType() == LogEntryTypes.TXN_COMMIT) {
                             // ignore already committed transaction