Add additional shortcuts for hint registration

Add `MemberCategory` and `FieldMode` shortcuts for type registration.
Helper `builtWith` methods have also been extracted to the Hint types
to allow general reuse (for example with `registerTypes`).

See gh-29011

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

@@ -0,0 +1,41 @@
+/*
+ * 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;
+
+import java.util.Collections;
+
+import org.junit.jupiter.api.Test;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * Tests for {@link ExecutableHint}.
+ *
+ * @author Phillip Webb
+ * @since 6.0
+ */
+class ExecutableHintTests {
+
+	@Test
+	void builtWithAppliesMode() {
+		ExecutableHint.Builder builder = new ExecutableHint.Builder("test", Collections.emptyList());
+		assertThat(builder.build().getMode()).isEqualTo(ExecutableMode.INVOKE);
+		ExecutableHint.builtWith(ExecutableMode.INTROSPECT).accept(builder);
+		assertThat(builder.build().getMode()).isEqualTo(ExecutableMode.INTROSPECT);
+	}
+
+}

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

@@ -0,0 +1,38 @@
+/*
+ * 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;
+
+import org.junit.jupiter.api.Test;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * Tests for {@link FieldHint}.
+ *
+ * @author Phillip Webb
+ */
+class FieldHintTests {
+
+	@Test
+	void builtWithAppliesMode() {
+		FieldHint.Builder builder = new FieldHint.Builder("test");
+		assertThat(builder.build().getMode()).isEqualTo(FieldMode.WRITE);
+		FieldHint.builtWith(FieldMode.READ).accept(builder);
+		assertThat(builder.build().getMode()).isEqualTo(FieldMode.READ);
+	}
+
+}

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

@@ -106,6 +106,14 @@ class ReflectionHintsTests {
 				typeWithMemberCategories(Integer.class, MemberCategory.INVOKE_PUBLIC_CONSTRUCTORS));
 	}
 
+	@Test
+	void registerClassWitCustomizer() {
+		this.reflectionHints.registerType(Integer.class,
+				typeHint -> typeHint.withMembers(MemberCategory.INVOKE_PUBLIC_CONSTRUCTORS));
+		assertThat(this.reflectionHints.typeHints()).singleElement().satisfies(
+				typeWithMemberCategories(Integer.class, MemberCategory.INVOKE_PUBLIC_CONSTRUCTORS));
+	}
+
 	@Test
 	void registerTypesApplyTheSameHints() {
 		this.reflectionHints.registerTypes(TypeReference.listOf(Integer.class, String.class, Double.class),
@@ -157,6 +165,17 @@ class ReflectionHintsTests {
 		});
 	}
 
+	@Test
+	void registerFieldWithMode() {
+		Field field = ReflectionUtils.findField(TestType.class, "field");
+		assertThat(field).isNotNull();
+		this.reflectionHints.registerField(field, FieldMode.READ);
+		assertTestTypeFieldHint(fieldHint -> {
+			assertThat(fieldHint.getName()).isEqualTo("field");
+			assertThat(fieldHint.getMode()).isEqualTo(FieldMode.READ);
+		});
+	}
+
 	@Test // gh-29055
 	void registerFieldWithCustomizersCannotDowngradeWrite() {
 		Field field = ReflectionUtils.findField(TestType.class, "field");

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

@@ -102,6 +102,17 @@ class TypeHintTests {
 		});
 	}
 
+	@Test
+	void createFieldWithFieldMode() {
+		Builder builder = TypeHint.of(TypeReference.of(String.class));
+		builder.withField("value", FieldMode.READ);
+		assertFieldHint(builder, fieldHint -> {
+			assertThat(fieldHint.getName()).isEqualTo("value");
+			assertThat(fieldHint.getMode()).isEqualTo(FieldMode.READ);
+			assertThat(fieldHint.isAllowUnsafeAccess()).isFalse();
+		});
+	}
+
 	void assertFieldHint(Builder builder, Consumer<FieldHint> fieldHint) {
 		TypeHint hint = builder.build();
 		assertThat(hint.fields()).singleElement().satisfies(fieldHint);
@@ -277,4 +288,13 @@ class TypeHintTests {
 		assertThat(hint).hasToString("TypeHint[type=java.lang.String]");
 	}
 
+	@Test
+	void builtWithAppliesMemberCategories() {
+		TypeHint.Builder builder = new TypeHint.Builder(TypeReference.of(String.class));
+		assertThat(builder.build().getMemberCategories()).isEmpty();
+		TypeHint.builtWith(MemberCategory.DECLARED_CLASSES, MemberCategory.DECLARED_FIELDS).accept(builder);
+		assertThat(builder.build().getMemberCategories()).containsExactlyInAnyOrder(MemberCategory.DECLARED_CLASSES,
+				MemberCategory.DECLARED_FIELDS);
+	}
+
 }