Introduce @RegisterReflectionForBinding

This annotation and the related processor allows to
register reflection hints for data binding purpose
(class, fields, properties, record components for
the whole type hierarchy)

Closes gh-28979

spring-core/src/test/java/org/springframework/aot/hint/annotation/RegisterReflectionForBindingProcessorTests.java

@@ -0,0 +1,75 @@
+/*
+ * Copyright 2002-2022 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.aot.hint.annotation;
+
+import org.junit.jupiter.api.Test;
+
+import org.springframework.aot.hint.RuntimeHints;
+import org.springframework.aot.hint.predicate.RuntimeHintsPredicates;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * Tests for {@link RegisterReflectionForBindingProcessor}.
+ *
+ * @author Sebastien Deleuze
+ */
+public class RegisterReflectionForBindingProcessorTests {
+
+	private final RegisterReflectionForBindingProcessor processor = new RegisterReflectionForBindingProcessor();
+
+	private final RuntimeHints hints = new RuntimeHints();
+
+	@Test
+	void registerReflectionForBindingOnClass() {
+		processor.registerReflectionHints(hints.reflection(), ClassLevelAnnotatedBean.class);
+		assertThat(RuntimeHintsPredicates.reflection().onType(SampleClassWithGetter.class)).accepts(hints);
+		assertThat(RuntimeHintsPredicates.reflection().onType(String.class)).accepts(hints);
+		assertThat(RuntimeHintsPredicates.reflection().onMethod(SampleClassWithGetter.class, "getName")).accepts(hints);
+	}
+
+	@Test
+	void registerReflectionForBindingOnMethod() throws NoSuchMethodException {
+		processor.registerReflectionHints(hints.reflection(), MethodLevelAnnotatedBean.class.getMethod("method"));
+		assertThat(RuntimeHintsPredicates.reflection().onType(SampleClassWithGetter.class)).accepts(hints);
+		assertThat(RuntimeHintsPredicates.reflection().onType(String.class)).accepts(hints);
+		assertThat(RuntimeHintsPredicates.reflection().onMethod(SampleClassWithGetter.class, "getName")).accepts(hints);
+	}
+
+	@RegisterReflectionForBinding(SampleClassWithGetter.class)
+	static class ClassLevelAnnotatedBean {
+	}
+
+	static class MethodLevelAnnotatedBean {
+
+		@RegisterReflectionForBinding(SampleClassWithGetter.class)
+		public void method() {
+		}
+	}
+
+	static class SampleClassWithGetter {
+
+		public String getName() {
+			return null;
+		}
+
+		public BindingReflectionHintsRegistrarTests.SampleEmptyClass unmanaged() {
+			return null;
+		}
+	}
+
+}