GH-1124: do not run indexing and cache write for empty list of affect…

…ed files
spring-projects · Oct 15, 2023 · 99032f1 · 99032f1
1 parent 6f7f9fd
commit 99032f1
Showing 1 changed file with 13 additions and 11 deletions.
diff --git a/...erver/src/main/java/org/springframework/ide/vscode/boot/java/utils/SpringIndexerJava.java b/...erver/src/main/java/org/springframework/ide/vscode/boot/java/utils/SpringIndexerJava.java
@@ -457,18 +457,20 @@ private void scanAffectedFiles(IJavaProject project, Set<String> changedTypes, S
 			}
 		}
 
-		DocumentDescriptor[] docsToScan = filesToScan.stream().map(file -> {
-			File realFile = new File(file);
-			String docURI = UriUtil.toUri(realFile).toASCIIString();
-			long lastModified = realFile.lastModified();
-			return new DocumentDescriptor(docURI, lastModified);
-		}).toArray(DocumentDescriptor[]::new);
-
-		for (DocumentDescriptor docToScan : docsToScan) {
-			this.symbolHandler.removeSymbols(project, docToScan.getDocURI());
+		if (!filesToScan.isEmpty()) {
+			DocumentDescriptor[] docsToScan = filesToScan.stream().map(file -> {
+				File realFile = new File(file);
+				String docURI = UriUtil.toUri(realFile).toASCIIString();
+				long lastModified = realFile.lastModified();
+				return new DocumentDescriptor(docURI, lastModified);
+			}).toArray(DocumentDescriptor[]::new);
+
+			for (DocumentDescriptor docToScan : docsToScan) {
+				this.symbolHandler.removeSymbols(project, docToScan.getDocURI());
+			}
+
+			scanFilesInternally(project, docsToScan);
 		}
-
-		scanFilesInternally(project, docsToScan);
 
 		log.info("Finished scanning affected files {}", alreadyScannedFiles);
 	}