Polishing.

Add missing Override annotations, consistently use literal tags for boolean values.

src/main/java/org/springframework/data/auditing/AuditingHandlerSupport.java

@@ -61,7 +61,7 @@ public AuditingHandlerSupport(PersistentEntities entities) {
 	/**
 	 * Setter do determine if {@link Auditable#setCreatedDate(TemporalAccessor)}} and
 	 * {@link Auditable#setLastModifiedDate(TemporalAccessor)} shall be filled with the current Java time. Defaults to
-	 * {@code true}. One might set this to {@code false} to use database features to set entity time.
+	 * {@literal true}. One might set this to {@literal false} to use database features to set entity time.
 	 *
 	 * @param dateTimeForNow the dateTimeForNow to set
 	 */
@@ -71,7 +71,7 @@ public void setDateTimeForNow(boolean dateTimeForNow) {
 
 	/**
 	 * Set this to true if you want to treat entity creation as modification and thus setting the current date as
-	 * modification date during creation, too. Defaults to {@code true}.
+	 * modification date during creation, too. Defaults to {@literal true}.
 	 *
 	 * @param modifyOnCreation if modification information shall be set on creation, too
 	 */

src/main/java/org/springframework/data/domain/Window.java

@@ -68,9 +68,9 @@ static <T> Window<T> from(List<T> items, IntFunction<? extends ScrollPosition> p
 	int size();
 
 	/**
-	 * Returns {@code true} if this window contains no elements.
+	 * Returns {@literal true} if this window contains no elements.
 	 *
-	 * @return {@code true} if this window contains no elements
+	 * @return {@literal true} if this window contains no elements
 	 */
 	@Override
 	boolean isEmpty();
@@ -102,7 +102,7 @@ default boolean isLast() {
 	 * Returns whether the underlying scroll mechanism can provide a {@link ScrollPosition} at {@code index}.
 	 *
 	 * @param index
-	 * @return {@code true} if a {@link ScrollPosition} can be created; {@code false} otherwise.
+	 * @return {@literal true} if a {@link ScrollPosition} can be created; {@literal false} otherwise.
 	 * @see #positionAt(int)
 	 */
 	default boolean hasPosition(int index) {

src/main/java/org/springframework/data/expression/ValueExpression.java

@@ -48,7 +48,7 @@ default ExpressionDependencies getExpressionDependencies() {
 	/**
 	 * Returns whether the expression is a literal expression (that doesn't actually require evaluation).
 	 *
-	 * @return {@code true} if the expression is a literal expression; {@code false} if the expression can yield a
+	 * @return {@literal true} if the expression is a literal expression; {@literal false} if the expression can yield a
 	 *         different result upon {@link #evaluate(ValueEvaluationContext) evaluation}.
 	 */
 	boolean isLiteral();

src/main/java/org/springframework/data/mapping/Alias.java

@@ -22,7 +22,7 @@
 
 /**
  * A container object which may or may not contain a type alias value. If a value is present, {@code isPresent()} will
- * return {@code true} and {@link #getValue()} will return the value.
+ * return {@literal true} and {@link #getValue()} will return the value.
  * <p>
  * Additional methods that depend on the presence or absence of a contained value are provided, such as
  * {@link #hasValue(Object)} or {@link #isPresent()}

src/main/java/org/springframework/data/mapping/PersistentEntity.java

@@ -229,7 +229,7 @@ default P getPersistentProperty(Class<? extends Annotation> annotationType) {
 	 * Returns whether the property is transient.
 	 *
 	 * @param property name of the property.
-	 * @return {@code true} if the property is transient. Applies only for existing properties. {@code false} if the
+	 * @return {@literal true} if the property is transient. Applies only for existing properties. {@literal false} if the
 	 *         property does not exist or is not transient.
 	 * @since 3.3
 	 */

src/main/java/org/springframework/data/mapping/model/AnnotationBasedPersistentProperty.java

@@ -264,10 +264,10 @@ public <A extends Annotation> A findPropertyOrOwnerAnnotation(Class<A> annotatio
 	}
 
 	/**
-	 * Returns whether the property carries the an annotation of the given type.
+	 * Returns whether the property carries the annotation of the given type.
 	 *
 	 * @param annotationType the annotation type to look up.
-	 * @return
+	 * @return {@literal true} if the annotation is present, {@literal false} otherwise.
 	 */
 	@Override
 	public boolean isAnnotationPresent(Class<? extends Annotation> annotationType) {

src/main/java/org/springframework/data/mapping/model/KotlinValueUtils.java

@@ -348,7 +348,7 @@ public Class<?> getParameterType() {
 		}
 
 		/**
-		 * @return {@code true} if the value hierarchy applies boxing.
+		 * @return {@literal true} if the value hierarchy applies boxing.
 		 */
 		public boolean appliesBoxing() {
 			return applyBoxing;

src/main/java/org/springframework/data/mapping/model/PersistentEntityParameterValueProvider.java

@@ -26,9 +26,7 @@
 
 /**
  * {@link ParameterValueProvider} based on a {@link PersistentEntity} to use a {@link PropertyValueProvider} to look up
- * the value of the property referenced by the given {@link Parameter}. Additionally, a
- * {@link DefaultSpELExpressionEvaluator} can be configured to get property value resolution trumped by a SpEL
- * expression evaluation.
+ * the value of the property referenced by the given {@link Parameter}.
  *
  * @author Oliver Gierke
  * @author Johannes Englmeier
@@ -42,18 +40,13 @@ public class PersistentEntityParameterValueProvider<P extends PersistentProperty
 	private final @Nullable Object parent;
 
 	public PersistentEntityParameterValueProvider(PersistentEntity<?, P> entity, PropertyValueProvider<P> provider,
-			Object parent) {
+			@Nullable Object parent) {
 		this.entity = entity;
 		this.provider = provider;
 		this.parent = parent;
 	}
 
 	@Override
-	@Nullable
-	private static Object getTransientDefault(Class<?> parameterType) {
-		return parameterType.isPrimitive() ? ReflectionUtils.getPrimitiveDefault(parameterType) : null;
-	}
-
 	@Nullable
 	@SuppressWarnings("unchecked")
 	public <T> T getParameterValue(Parameter<T, P> parameter) {
@@ -82,4 +75,10 @@ public <T> T getParameterValue(Parameter<T, P> parameter) {
 
 		return provider.getPropertyValue(property);
 	}
+
+	@Nullable
+	private static Object getTransientDefault(Class<?> parameterType) {
+		return parameterType.isPrimitive() ? ReflectionUtils.getPrimitiveDefault(parameterType) : null;
+	}
+
 }

src/main/java/org/springframework/data/projection/EntityProjection.java

@@ -158,14 +158,14 @@ public TypeInformation<?> getActualDomainType() {
 	}
 
 	/**
-	 * @return {@code true} if the {@link #getMappedType()} is a projection.
+	 * @return {@literal true} if the {@link #getMappedType()} is a projection.
 	 */
 	public boolean isProjection() {
 		return projection;
 	}
 
 	/**
-	 * @return {@code true} if the {@link #getMappedType()} is a closed projection.
+	 * @return {@literal true} if the {@link #getMappedType()} is a closed projection.
 	 */
 	public boolean isClosedProjection() {
 		return isProjection()

src/main/java/org/springframework/data/projection/EntityProjectionIntrospector.java

@@ -222,13 +222,13 @@ public interface ProjectionPredicate {
 		 *
 		 * @param target the target type.
 		 * @param underlyingType the underlying type.
-		 * @return {@code true} if the input argument matches the predicate, otherwise {@code false}.
+		 * @return {@literal true} if the input argument matches the predicate, otherwise {@literal false}.
 		 */
 		boolean test(Class<?> target, Class<?> underlyingType);
 
 		/**
 		 * Return a composed predicate that represents a short-circuiting logical AND of this predicate and another. When
-		 * evaluating the composed predicate, if this predicate is {@code false}, then the {@code other} predicate is not
+		 * evaluating the composed predicate, if this predicate is {@literal false}, then the {@code other} predicate is not
 		 * evaluated.
 		 * <p>
 		 * Any exceptions thrown during evaluation of either predicate are relayed to the caller; if evaluation of this

src/main/java/org/springframework/data/repository/config/PropertiesBasedNamedQueriesFactoryBean.java

@@ -47,7 +47,7 @@ public class PropertiesBasedNamedQueriesFactoryBean extends PropertiesLoaderSupp
 	 * Set whether a shared singleton {@code PropertiesBasedNamedQueries} instance should be created, or rather a new
 	 * {@code PropertiesBasedNamedQueries} instance on each request.
 	 * <p>
-	 * Default is {@code true} (a shared singleton).
+	 * Default is {@literal true} (a shared singleton).
 	 */
 	public void setSingleton(boolean singleton) {
 		this.singleton = singleton;

src/main/java/org/springframework/data/repository/core/RepositoryMethodContextHolder.java

@@ -34,7 +34,7 @@ public class RepositoryMethodContextHolder {
 
 	/**
 	 * ThreadLocal holder for repository method associated with this thread. Will contain {@code null} unless the
-	 * "exposeMetadata" property on the controlling repository factory configuration has been set to {@code true}.
+	 * "exposeMetadata" property on the controlling repository factory configuration has been set to {@literal true}.
 	 */
 	private static final ThreadLocal<RepositoryMethodContext> currentMethod = new NamedThreadLocal<>(
 			"Current Repository Method");

src/main/java/org/springframework/data/repository/core/support/MethodLookup.java

@@ -49,8 +49,8 @@ public interface MethodLookup {
 
 	/**
 	 * Returns a composed {@link MethodLookup} that represents a concatenation of this predicate and another. When
-	 * evaluating the composed method lookup, if this lookup evaluates {@code true}, then the {@code other} method lookup
-	 * is not evaluated.
+	 * evaluating the composed method lookup, if this lookup evaluates {@literal true}, then the {@code other} method
+	 * lookup is not evaluated.
 	 *
 	 * @param other must not be {@literal null}.
 	 * @return the composed {@link MethodLookup}.

src/main/java/org/springframework/data/spel/spi/Function.java

@@ -152,7 +152,7 @@ public int getParameterCount() {
 	 * Checks if the encapsulated method has exactly the argument types as those passed as an argument.
 	 *
 	 * @param argumentTypes a list of {@link TypeDescriptor}s to compare with the argument types of the method
-	 * @return {@code true} if the types are equal, {@code false} otherwise.
+	 * @return {@literal true} if the types are equal, {@literal false} otherwise.
 	 */
 	public boolean supportsExact(List<TypeDescriptor> argumentTypes) {
 		return ParameterTypes.of(argumentTypes).exactlyMatchParametersOf(method);
@@ -162,7 +162,7 @@ public boolean supportsExact(List<TypeDescriptor> argumentTypes) {
 	 * Checks whether this {@code Function} has the same signature as another {@code Function}.
 	 *
 	 * @param other the {@code Function} to compare {@code this} with.
-	 * @return {@code true} if name and argument list are the same.
+	 * @return {@literal true} if name and argument list are the same.
 	 */
 	public boolean isSignatureEqual(Function other) {
 

src/main/java/org/springframework/data/util/KotlinReflectionUtils.java

@@ -136,7 +136,7 @@ public static Class<?> getReturnType(Method method) {
 	 * Returns whether the given {@link KType} is a {@link KClass#isValue() value} class.
 	 *
 	 * @param type the kotlin type to inspect.
-	 * @return {@code true} the type is a value class.
+	 * @return {@literal true} the type is a value class.
 	 * @since 3.2
 	 */
 	public static boolean isValueClass(KType type) {
@@ -148,7 +148,7 @@ public static boolean isValueClass(KType type) {
 	 * Returns whether the given class makes uses Kotlin {@link KClass#isValue() value} classes.
 	 *
 	 * @param type the kotlin type to inspect.
-	 * @return {@code true} when at least one property uses Kotlin value classes.
+	 * @return {@literal true} when at least one property uses Kotlin value classes.
 	 * @since 3.2
 	 */
 	public static boolean hasValueClassProperty(Class<?> type) {

src/main/java/org/springframework/data/util/Predicates.java

@@ -52,18 +52,18 @@ public interface Predicates {
 	Predicate<Method> IS_BRIDGE_METHOD = Method::isBridge;
 
 	/**
-	 * A {@link Predicate} that yields always {@code true}.
+	 * A {@link Predicate} that yields always {@literal true}.
 	 *
-	 * @return a {@link Predicate} that yields always {@code true}.
+	 * @return a {@link Predicate} that yields always {@literal true}.
 	 */
 	static <T> Predicate<T> isTrue() {
 		return t -> true;
 	}
 
 	/**
-	 * A {@link Predicate} that yields always {@code false}.
+	 * A {@link Predicate} that yields always {@literal false}.
 	 *
-	 * @return a {@link Predicate} that yields always {@code false}.
+	 * @return a {@link Predicate} that yields always {@literal false}.
 	 */
 	static <T> Predicate<T> isFalse() {
 		return t -> false;

src/main/java/org/springframework/data/web/OffsetScrollPositionArgumentResolver.java

@@ -42,7 +42,7 @@ public interface OffsetScrollPositionArgumentResolver extends HandlerMethodArgum
 	 * wrapped arguments in {@link java.util.Optional}.
 	 *
 	 * @param parameter the method parameter to resolve. This parameter must have previously been passed to
-	 *          {@link #supportsParameter} which must have returned {@code true}.
+	 *          {@link #supportsParameter} which must have returned {@literal true}.
 	 * @param mavContainer the ModelAndViewContainer for the current request
 	 * @param webRequest the current request
 	 * @param binderFactory a factory for creating {@link WebDataBinder} instances

src/main/java/org/springframework/data/web/PageableArgumentResolver.java

@@ -40,7 +40,7 @@ public interface PageableArgumentResolver extends HandlerMethodArgumentResolver
 	 * Resolves a {@link Pageable} method parameter into an argument value from a given request.
 	 *
 	 * @param parameter the method parameter to resolve. This parameter must have previously been passed to
-	 *          {@link #supportsParameter} which must have returned {@code true}.
+	 *          {@link #supportsParameter} which must have returned {@literal true}.
 	 * @param mavContainer the ModelAndViewContainer for the current request
 	 * @param webRequest the current request
 	 * @param binderFactory a factory for creating {@link WebDataBinder} instances

src/main/java/org/springframework/data/web/SortArgumentResolver.java

@@ -40,7 +40,7 @@ public interface SortArgumentResolver extends HandlerMethodArgumentResolver {
 	 * Resolves a {@link Sort} method parameter into an argument value from a given request.
 	 *
 	 * @param parameter the method parameter to resolve. This parameter must have previously been passed to
-	 *          {@link #supportsParameter} which must have returned {@code true}.
+	 *          {@link #supportsParameter} which must have returned {@literal true}.
 	 * @param mavContainer the ModelAndViewContainer for the current request
 	 * @param webRequest the current request
 	 * @param binderFactory a factory for creating {@link WebDataBinder} instances

src/test/java/org/springframework/data/auditing/AuditingHandlerUnitTests.java

@@ -96,7 +96,7 @@ void setsAuditorIfConfigured() {
 	}
 
 	/**
-	 * Checks that the advice does not set modification information on creation if the falg is set to {@code false}.
+	 * Checks that the advice does not set modification information on creation if the falg is set to {@literal false}.
 	 */
 	@Test
 	void honoursModifiedOnCreationFlag() {