@JsonbTransient does not work on abstract classes #454 (#572)

@JsonbTransient does not work on abstract classes #454

Signed-off-by: Jorge Bescos Gascon <jorge.bescos.gascon@oracle.com>

src/main/java/org/eclipse/yasson/internal/model/PropertyModel.java

@@ -158,7 +158,7 @@ public PropertyModel(ClassModel classModel, Property property, JsonbContext json
         this.setValueHandle = createWriteHandle(field, setter, setterVisible, strategy);
         this.getterMethodType = getterVisible ? property.getGetterType() : null;
         this.setterMethodType = setterVisible ? property.getSetterType() : null;
-        this.customization = introspectCustomization(property, jsonbContext);
+        this.customization = introspectCustomization(property, jsonbContext, classModel);
         this.readName = calculateReadWriteName(customization.getJsonReadName(), propertyName,
                                                jsonbContext.getConfigProperties().getPropertyNamingStrategy());
         this.writeName = calculateReadWriteName(customization.getJsonWriteName(), propertyName,
@@ -191,11 +191,24 @@ private SerializerBinding<?> getUserSerializerBinding(Property property, JsonbCo
         return jsonbContext.getComponentMatcher().getSerializerBinding(getPropertySerializationType(), null).orElse(null);
     }
 
-    private PropertyCustomization introspectCustomization(Property property, JsonbContext jsonbContext) {
+    private PropertyCustomization introspectCustomization(Property property, JsonbContext jsonbContext, ClassModel classModel) {
         final AnnotationIntrospector introspector = jsonbContext.getAnnotationIntrospector();
         final PropertyCustomization.Builder builder = PropertyCustomization.builder();
         //drop all other annotations for transient properties
         EnumSet<AnnotationTarget> transientInfo = introspector.getJsonbTransientCategorized(property);
+        ClassModel parent = classModel;
+        // Check parent classes for transient annotations
+        while ((parent = parent.getParentClassModel()) != null) {
+            PropertyModel parentProperty = parent.getPropertyModel(property.getName());
+            if (parentProperty != null) {
+                if (parentProperty.customization.isReadTransient()) {
+                    transientInfo.add(AnnotationTarget.GETTER);
+                }
+                if (parentProperty.customization.isWriteTransient()) {
+                    transientInfo.add(AnnotationTarget.SETTER);
+                }
+            }
+        }
         if (transientInfo.size() != 0) {
             builder.readTransient(transientInfo.contains(AnnotationTarget.GETTER));
             builder.writeTransient(transientInfo.contains(AnnotationTarget.SETTER));

src/test/java/org/eclipse/yasson/Issue454Test.java

@@ -0,0 +1,80 @@
+/*
+ * Copyright (c) 2022 Oracle and/or its affiliates. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v. 2.0 which is available at
+ * http://www.eclipse.org/legal/epl-2.0,
+ * or the Eclipse Distribution License v. 1.0 which is available at
+ * http://www.eclipse.org/org/documents/edl-v10.php.
+ *
+ * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
+ */
+
+package org.eclipse.yasson;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import org.junit.jupiter.api.Test;
+
+import jakarta.json.bind.Jsonb;
+import jakarta.json.bind.JsonbBuilder;
+import jakarta.json.bind.JsonbConfig;
+import jakarta.json.bind.annotation.JsonbTransient;
+
+public class Issue454Test {
+
+    @Test
+    public void test() {
+        final String EXPECTED = "{\"field2\":\"bbb\"}";
+        Jsonb jsonb = JsonbBuilder.create(new JsonbConfig());
+        assertEquals(EXPECTED, jsonb.toJson(new TheInterface() {
+
+            @Override
+            public String getField1() {
+                return "aaa";
+            }
+
+            @Override
+            public String getField2() {
+                return "bbb";
+            }}));
+        assertEquals(EXPECTED, jsonb.toJson(new TheClass() {
+            @Override
+            public String getField1() {
+                return "aaa";
+            }
+            @Override
+            public String getField2() {
+                return "bbb";
+            }}));
+        assertEquals(EXPECTED, jsonb.toJson(new TheClass2()));
+        assertEquals(EXPECTED, jsonb.toJson(new TheClass2() {}));
+    }
+
+    public static abstract class TheClass {
+        @JsonbTransient
+        public abstract String getField1();
+
+        public abstract String getField2();
+    }
+
+    public static class TheClass2 extends TheClass {
+        @Override
+        public String getField1() {
+            return "aaa";
+        }
+        @Override
+        public String getField2() {
+            return "bbb";
+        }
+    }
+
+    public static interface TheInterface {
+
+        @JsonbTransient
+        String getField1();
+
+        String getField2();
+    }
+
+}