fix: Quick fix are not available after a restart

Signed-off-by: azerr <azerr@redhat.com>

Author: angelozerr

src/main/java/com/redhat/devtools/lsp4ij/LanguageServerWrapper.java

@@ -102,7 +102,6 @@ public class LanguageServerWrapper implements Disposable {
     protected final InitializeParams initParams = new InitializeParams();
     @NotNull
     private final LanguageServerDefinition serverDefinition;
-    private final AtomicBoolean stopping = new AtomicBoolean(false);
     private final ExecutorService dispatcher;
     private final ExecutorService listener;
     private final SimpleModificationTracker modificationTracker = new SimpleModificationTracker();
@@ -1379,12 +1378,11 @@ public Alarm getTraceFlushAlarm() {
      * @return true if the language server is stopping and false otherwise.
      */
     public boolean isStopping() {
-        return this.stopping.get();
+        return getServerStatus() == ServerStatus.stopping;
     }
 
     public synchronized CompletableFuture<Void> stop() {
-        final boolean alreadyStopping = this.stopping.getAndSet(true);
-        return stop(alreadyStopping);
+        return stop(isStopping());
     }
 
     private synchronized CompletableFuture<Void> stop(boolean alreadyStopping) {
@@ -1427,7 +1425,6 @@ private synchronized CompletableFuture<Void> stop(@Nullable InitializingContext
                     shutdownAll(languageServer, lspStreamProvider, launcherFuture);
                     boolean delayedCurrent = currentInitializingContext == null || initializingContext.equals(currentInitializingContext);
                     if (delayedCurrent) {
-                        this.stopping.set(false);
                         updateStatus(ServerStatus.stopped);
                     }
                 });

src/main/java/com/redhat/devtools/lsp4ij/features/diagnostics/LSPDiagnosticHandler.java

@@ -31,14 +31,14 @@
  */
 public class LSPDiagnosticHandler implements Consumer<PublishDiagnosticsParams> {
 
-    private final LanguageServerWrapper languageServerWrapper;
+    private final @NotNull LanguageServerWrapper languageServerWrapper;
 
-    public LSPDiagnosticHandler(LanguageServerWrapper languageServerWrapper) {
+    public LSPDiagnosticHandler(@NotNull LanguageServerWrapper languageServerWrapper) {
         this.languageServerWrapper = languageServerWrapper;
     }
 
     @Override
-    public void accept(PublishDiagnosticsParams params) {
+    public void accept(@NotNull PublishDiagnosticsParams params) {
         Project project = languageServerWrapper.getProject();
         if (project.isDisposed()) {
             return;

src/main/java/com/redhat/devtools/lsp4ij/features/diagnostics/LSPDiagnosticsForServer.java

@@ -162,16 +162,16 @@ private Map<Diagnostic, LSPLazyCodeActions> toMap(@NotNull Collection<Diagnostic
 
         // Associate each diagnostic with the list of code actions to load for a given range
         for (DiagnosticData data : diagnosticsGroupByCoveredRange) {
-            var action = new LSPLazyCodeActions(data.diagnostics(), file, languageServer);
+            var newCodeActions = new LSPLazyCodeActions(data.diagnostics(), file, languageServer);
             data.diagnostics()
                     .forEach(d -> {
                         // Get the existing LSP lazy code actions for the current diagnostic
-                        LSPLazyCodeActions actions = existingDiagnostics != null ? existingDiagnostics.get(d) : null;
-                        if (actions != null) {
+                        LSPLazyCodeActions oldCodeActions = existingDiagnostics != null ? existingDiagnostics.get(d) : null;
+                        if (oldCodeActions != null) {
                             // cancel the LSP textDocument/codeAction request if needed
-                            actions.cancel();
+                            oldCodeActions.cancel();
                         }
-                        map.put(d, action);
+                        map.put(d, newCodeActions);
                     });
 
         }