Avoid unnecessary parameter name inspection for constructor-arg resolution

Closes gh-29612

Author: jhoeller

spring-beans/src/main/java/org/springframework/beans/factory/config/ConstructorArgumentValues.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2021 the original author or authors.
+ * 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.
@@ -360,6 +360,25 @@ public ValueHolder getArgumentValue(int index, @Nullable Class<?> requiredType,
 		return valueHolder;
 	}
 
+	/**
+	 * Determine whether at least one argument value refers to a name.
+	 * @since 6.0.3
+	 * @see ValueHolder#getName()
+	 */
+	public boolean containsNamedArgument() {
+		for (ValueHolder valueHolder : this.indexedArgumentValues.values()) {
+			if (valueHolder.getName() != null) {
+				return true;
+			}
+		}
+		for (ValueHolder valueHolder : this.genericArgumentValues) {
+			if (valueHolder.getName() != null) {
+				return true;
+			}
+		}
+		return false;
+	}
+
 	/**
 	 * Return the number of argument values held in this instance,
 	 * counting both indexed and generic argument values.

spring-beans/src/main/java/org/springframework/beans/factory/support/ConstructorResolver.java

@@ -232,11 +232,14 @@ public BeanWrapper autowireConstructor(String beanName, RootBeanDefinition mbd,
 				Class<?>[] paramTypes = candidate.getParameterTypes();
 				if (resolvedValues != null) {
 					try {
-						String[] paramNames = ConstructorPropertiesChecker.evaluate(candidate, parameterCount);
-						if (paramNames == null) {
-							ParameterNameDiscoverer pnd = this.beanFactory.getParameterNameDiscoverer();
-							if (pnd != null) {
-								paramNames = pnd.getParameterNames(candidate);
+						String[] paramNames = null;
+						if (resolvedValues.containsNamedArgument()) {
+							paramNames = ConstructorPropertiesChecker.evaluate(candidate, parameterCount);
+							if (paramNames == null) {
+								ParameterNameDiscoverer pnd = this.beanFactory.getParameterNameDiscoverer();
+								if (pnd != null) {
+									paramNames = pnd.getParameterNames(candidate);
+								}
 							}
 						}
 						argsHolder = createArgumentArray(beanName, mbd, resolvedValues, bw, paramTypes, paramNames,
@@ -536,9 +539,11 @@ public BeanWrapper instantiateUsingFactoryMethod(
 						// Resolved constructor arguments: type conversion and/or autowiring necessary.
 						try {
 							String[] paramNames = null;
-							ParameterNameDiscoverer pnd = this.beanFactory.getParameterNameDiscoverer();
-							if (pnd != null) {
-								paramNames = pnd.getParameterNames(candidate);
+							if (resolvedValues != null && resolvedValues.containsNamedArgument()) {
+								ParameterNameDiscoverer pnd = this.beanFactory.getParameterNameDiscoverer();
+								if (pnd != null) {
+									paramNames = pnd.getParameterNames(candidate);
+								}
 							}
 							argsHolder = createArgumentArray(beanName, mbd, resolvedValues, bw,
 									paramTypes, paramNames, candidate, autowiring, candidates.size() == 1);