Fixed #3060

Author: cowtowncoder

release-notes/VERSION-2.x

@@ -19,6 +19,7 @@ Project: jackson-databind
 #3056: MismatchedInputException: Cannot deserialize instance of
   `com.fasterxml.jackson.databind.node.ObjectNode` out of VALUE_NULL token
  (reported by Stexxen@github)
+#3060: Missing override for `hasAsKey()` in `AnnotationIntrospectorPair`
 
 2.12.1 (08-Jan-2021)
 

src/main/java/com/fasterxml/jackson/databind/AnnotationIntrospector.java

@@ -1021,7 +1021,6 @@ public Boolean hasAsValue(Annotated a) {
      * @since 2.9
      */
     public Boolean hasAnyGetter(Annotated ann) {
-
         // 21-Nov-2016, tatu: Delegate in 2.9; remove redirect from later versions
         if (ann instanceof AnnotatedMethod) {
             if (hasAnyGetterAnnotation((AnnotatedMethod) ann)) {

src/main/java/com/fasterxml/jackson/databind/introspect/AnnotationIntrospectorPair.java

@@ -5,15 +5,10 @@
 import java.util.Collection;
 import java.util.List;
 
-import com.fasterxml.jackson.annotation.JacksonInject;
-import com.fasterxml.jackson.annotation.JsonCreator;
-import com.fasterxml.jackson.annotation.JsonFormat;
-import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
-import com.fasterxml.jackson.annotation.JsonInclude;
-import com.fasterxml.jackson.annotation.JsonIncludeProperties;
-import com.fasterxml.jackson.annotation.JsonProperty;
-import com.fasterxml.jackson.annotation.JsonSetter;
+import com.fasterxml.jackson.annotation.*;
+
 import com.fasterxml.jackson.core.Version;
+
 import com.fasterxml.jackson.databind.*;
 import com.fasterxml.jackson.databind.annotation.JsonPOJOBuilder;
 import com.fasterxml.jackson.databind.annotation.JsonSerialize;
@@ -611,6 +606,15 @@ public PropertyName findNameForSerialization(Annotated a) {
         return n;
     }
 
+    @Override
+    public Boolean hasAsKey(MapperConfig<?> config, Annotated a) {
+        Boolean b = _primary.hasAsKey(config, a);
+        if (b == null) {
+            b = _secondary.hasAsKey(config, a);
+        }
+        return b;
+    }
+
     @Override
     public Boolean hasAsValue(Annotated a) {
         Boolean b = _primary.hasAsValue(a);

src/test/java/com/fasterxml/jackson/databind/introspect/IntrospectorPairTest.java

@@ -422,6 +422,52 @@ public void testHasAsValue() throws Exception
                 .hasAsValue(null));
     }
 
+    public void testHasAsKey() throws Exception
+    {
+        IntrospectorWithMap intr1 = new IntrospectorWithMap()
+                .add("hasAsKey", Boolean.TRUE);
+        IntrospectorWithMap intr2 = new IntrospectorWithMap()
+                .add("hasAsKey", Boolean.FALSE);
+        assertNull(new AnnotationIntrospectorPair(NO_ANNOTATIONS, NO_ANNOTATIONS)
+                .hasAsKey(null, null));
+        assertEquals(Boolean.TRUE, new AnnotationIntrospectorPair(intr1, NO_ANNOTATIONS)
+                .hasAsKey(null, null));
+        assertEquals(Boolean.TRUE, new AnnotationIntrospectorPair(NO_ANNOTATIONS, intr1)
+                .hasAsKey(null, null));
+        assertEquals(Boolean.FALSE, new AnnotationIntrospectorPair(intr2, NO_ANNOTATIONS)
+                .hasAsKey(null, null));
+        assertEquals(Boolean.FALSE, new AnnotationIntrospectorPair(NO_ANNOTATIONS, intr2)
+                .hasAsKey(null, null));
+
+        assertEquals(Boolean.TRUE, new AnnotationIntrospectorPair(intr1, intr2)
+                .hasAsKey(null, null));
+        assertEquals(Boolean.FALSE, new AnnotationIntrospectorPair(intr2, intr1)
+                .hasAsKey(null, null));
+    }
+
+    public void testHasAnyGetter() throws Exception
+    {
+        IntrospectorWithMap intr1 = new IntrospectorWithMap()
+                .add("hasAnyGetter", Boolean.TRUE);
+        IntrospectorWithMap intr2 = new IntrospectorWithMap()
+                .add("hasAnyGetter", Boolean.FALSE);
+        assertNull(new AnnotationIntrospectorPair(NO_ANNOTATIONS, NO_ANNOTATIONS)
+                .hasAnyGetter(null));
+        assertEquals(Boolean.TRUE, new AnnotationIntrospectorPair(intr1, NO_ANNOTATIONS)
+                .hasAnyGetter(null));
+        assertEquals(Boolean.TRUE, new AnnotationIntrospectorPair(NO_ANNOTATIONS, intr1)
+                .hasAnyGetter(null));
+        assertEquals(Boolean.FALSE, new AnnotationIntrospectorPair(intr2, NO_ANNOTATIONS)
+                .hasAnyGetter(null));
+        assertEquals(Boolean.FALSE, new AnnotationIntrospectorPair(NO_ANNOTATIONS, intr2)
+                .hasAnyGetter(null));
+
+        assertEquals(Boolean.TRUE, new AnnotationIntrospectorPair(intr1, intr2)
+                .hasAnyGetter(null));
+        assertEquals(Boolean.FALSE, new AnnotationIntrospectorPair(intr2, intr1)
+                .hasAnyGetter(null));
+    }
+
     /*
     /**********************************************************
     /* Test methods, deser