svatoun commented on a change in pull request #361: my first refactoring session
URL: https://github.com/apache/incubator-netbeans/pull/361#discussion_r161169550
 
 

 ##########
 File path: 
refactoring.api/src/org/netbeans/modules/refactoring/api/RefactoringSession.java
 ##########
 @@ -116,79 +108,66 @@ private Problem reallyDoRefactoring(boolean 
saveAfterDone) {
             try {
                 while (it.hasNext()) {
                     RefactoringElementImplementation element = 
(RefactoringElementImplementation) it.next();
-                    if (element.isEnabled() && !((element.getStatus() == 
RefactoringElement.GUARDED) || (element.getStatus() == 
RefactoringElement.READ_ONLY))) {
-                        element.performChange();
-                    }
+                    changeRefactoringElement(element, true);
                     current += progressStep;
                     fireProgressListenerStep((int) current);
                 }
             } finally {
-                for (Transaction commit : commits) {
-                    SPIAccessor.DEFAULT.check(commit, false);
-                }
-
-                UndoableWrapper wrapper = 
MimeLookup.getLookup("").lookup(UndoableWrapper.class);
-                for (Transaction commit : commits) {
-                    if (wrapper != null) {
-                        setWrappers(commit, wrapper);
+                commits.forEach(commit -> SPIAccessor.DEFAULT.check(commit, 
false));
+                UndoableWrapper undoableWrapper = 
MimeLookup.getLookup("").lookup(UndoableWrapper.class);
+                commits.forEach(commit -> {
+                    if (undoableWrapper != null) {
+                        undoableWrapper.setActive(true, this);
                     }
-
-                    if(commit instanceof ProgressProvider) {
+                    if (commit instanceof ProgressProvider) {
                         ProgressProvider progressProvider = (ProgressProvider) 
commit;
                         progressProvider.addProgressListener(progressListener);
-                    }
-                    try {
-                        commit.commit();
-                    } finally {
-                        if(commit instanceof ProgressProvider) {
-                            ProgressProvider progressProvider = 
(ProgressProvider) commit;
+                        try {
+                            commit.commit();
+                        } finally {
                             
progressProvider.removeProgressListener(progressListener);
                         }
+                    } else {
+                        commit.commit();
                     }
-                    if (wrapper != null) {
-                        unsetWrappers(commit, wrapper);
+                    if (undoableWrapper != null) {
+                        undoableWrapper.setActive(false, null);
                     }
+                });
+                if (undoableWrapper != null) {
+                    undoableWrapper.close();
                 }
-                if (wrapper != null) {
-                    wrapper.close();
-                }
-                for (Transaction commit : commits) {
-                    SPIAccessor.DEFAULT.sum(commit);
-                }
+                commits.forEach(commit -> SPIAccessor.DEFAULT.sum(commit));
             }
             if (saveAfterDone) {
                 LifecycleManager.getDefault().saveAll();
-                for (DataObject dob:DataObject.getRegistry().getModified()) {
-                    SaveCookie cookie = dob.getCookie(SaveCookie.class);
+                for (DataObject dataObject : 
DataObject.getRegistry().getModified()) {
+                    SaveCookie cookie = 
dataObject.getLookup().lookup(SaveCookie.class);
                     try {
                         cookie.save();
                     } catch (IOException ex) {
                         Exceptions.printStackTrace(ex);
                     }
                 }
             }
-            for (RefactoringElementImplementation 
fileChange:SPIAccessor.DEFAULT.getFileChanges(bag)) {
-                if (fileChange.isEnabled()) {
-                    fileChange.performChange();
-                }
-            }
+            SPIAccessor.DEFAULT.getFileChanges(bag).stream().filter(fileChange 
-> fileChange.isEnabled()).forEachOrdered(fileChange -> 
fileChange.performChange());
             fireProgressListenerStep();
         } finally {
             fireProgressListenerStop();
             if (realcommit) {
                 undoManager.addItem(this);
                 undoManager.transactionEnded(false, this);
-                realcommit=false;
+                realcommit = false;
             }
         }
         Logger timer = Logger.getLogger("TIMER.RefactoringSession");
         if (timer.isLoggable(Level.FINE)) {
-            time = System.currentTimeMillis() - time;
-            timer.log(Level.FINE, "refactoringSession.doRefactoring", new 
Object[] { description, RefactoringSession.this, time } );
+            final long timeTaken = System.currentTimeMillis() - start;
+            timer.log(Level.FINE, "refactoringSession.doRefactoring", new 
Object[]{description, RefactoringSession.this, timeTaken});
 
 Review comment:
   Considering most of the PR fixes whitespaces, there should be whitespaces 
before/after { to separate from type and array content, and before }.
   
   

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