8355004: Apply java.io.Serial annotations in java.compiler

Reviewed-by: liach, darcy

Author: mrserb

src/java.compiler/share/classes/javax/annotation/processing/FilerException.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2022, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2025, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -26,6 +26,7 @@
 package javax.annotation.processing;
 
 import java.io.IOException;
+import java.io.Serial;
 
 /**
  * Indicates a {@link Filer} detected an attempt to open a file that
@@ -38,7 +39,10 @@
  * @since 1.6
  */
 public class FilerException extends IOException {
-    static final long serialVersionUID = 8426423106453163293L;
+
+    @Serial
+    private static final long serialVersionUID = 8426423106453163293L;
+
     /**
      * Constructs an exception with the specified detail message.
      * @param s the detail message, which should include the name of

src/java.compiler/share/classes/javax/lang/model/UnknownEntityException.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009, 2022, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2009, 2025, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -25,6 +25,8 @@
 
 package javax.lang.model;
 
+import java.io.Serial;
+
 /**
  * Superclass of exceptions which indicate that an unknown kind of
  * entity was encountered.  This situation can occur if the language
@@ -39,6 +41,7 @@
  */
 public class UnknownEntityException extends RuntimeException {
 
+    @Serial
     private static final long serialVersionUID = 269L;
 
     /**

src/java.compiler/share/classes/javax/lang/model/element/UnknownAnnotationValueException.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2022, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2025, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -25,6 +25,8 @@
 
 package javax.lang.model.element;
 
+import java.io.Serial;
+
 import javax.lang.model.UnknownEntityException;
 
 /**
@@ -40,6 +42,7 @@
  */
 public class UnknownAnnotationValueException extends UnknownEntityException {
 
+    @Serial
     private static final long serialVersionUID = 269L;
 
     private transient AnnotationValue av;

src/java.compiler/share/classes/javax/lang/model/element/UnknownDirectiveException.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2022, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2025, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -25,6 +25,8 @@
 
 package javax.lang.model.element;
 
+import java.io.Serial;
+
 import javax.lang.model.UnknownEntityException;
 
 /**
@@ -39,6 +41,7 @@
  */
 public class UnknownDirectiveException extends UnknownEntityException {
 
+    @Serial
     private static final long serialVersionUID = 269L;
 
     private final transient ModuleElement.Directive directive;

src/java.compiler/share/classes/javax/lang/model/element/UnknownElementException.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2022, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2025, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -25,6 +25,8 @@
 
 package javax.lang.model.element;
 
+import java.io.Serial;
+
 import javax.lang.model.UnknownEntityException;
 
 /**
@@ -39,6 +41,7 @@
  */
 public class UnknownElementException extends UnknownEntityException {
 
+    @Serial
     private static final long serialVersionUID = 269L;
 
     private transient Element element;

src/java.compiler/share/classes/javax/lang/model/type/MirroredTypeException.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2022, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2025, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -25,10 +25,11 @@
 
 package javax.lang.model.type;
 
-import java.io.ObjectInputStream;
 import java.io.IOException;
-import javax.lang.model.element.Element;
+import java.io.ObjectInputStream;
+import java.io.Serial;
 
+import javax.lang.model.element.Element;
 
 /**
  * Thrown when an application attempts to access the {@link Class} object
@@ -40,7 +41,8 @@
  */
 public class MirroredTypeException extends MirroredTypesException {
 
-    private static final long serialVersionUID = 269;
+    @Serial
+    private static final long serialVersionUID = 269L;
 
     private transient TypeMirror type;          // cannot be serialized
 
@@ -72,6 +74,7 @@ public TypeMirror getTypeMirror() {
      * deserialization
      * @throws IOException for an IO problem during deserialization
      */
+    @Serial
     private void readObject(ObjectInputStream s)
         throws IOException, ClassNotFoundException {
         s.defaultReadObject();

src/java.compiler/share/classes/javax/lang/model/type/MirroredTypesException.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2022, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2025, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -25,13 +25,14 @@
 
 package javax.lang.model.type;
 
+import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.io.Serial;
 import java.util.ArrayList;
-import java.util.List;
 import java.util.Collections;
-import java.io.ObjectInputStream;
-import java.io.IOException;
-import javax.lang.model.element.Element;
+import java.util.List;
 
+import javax.lang.model.element.Element;
 
 /**
  * Thrown when an application attempts to access a sequence of {@link
@@ -43,7 +44,8 @@
  */
 public class MirroredTypesException extends RuntimeException {
 
-    private static final long serialVersionUID = 269;
+    @Serial
+    private static final long serialVersionUID = 269L;
 
     transient List<? extends TypeMirror> types; // cannot be serialized
 
@@ -87,6 +89,7 @@ public List<? extends TypeMirror> getTypeMirrors() {
      * deserialization
      * @throws IOException for an IO problem during deserialization
      */
+    @Serial
     private void readObject(ObjectInputStream s)
         throws IOException, ClassNotFoundException {
         s.defaultReadObject();

src/java.compiler/share/classes/javax/lang/model/type/UnknownTypeException.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2022, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2025, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -25,6 +25,8 @@
 
 package javax.lang.model.type;
 
+import java.io.Serial;
+
 import javax.lang.model.UnknownEntityException;
 
 /**
@@ -39,6 +41,7 @@
  */
 public class UnknownTypeException extends UnknownEntityException {
 
+    @Serial
     private static final long serialVersionUID = 269L;
 
     private transient TypeMirror type;