Deprecate EntityManagerFactoryBeanCallback

Closes gh-14083

Author: snicoll

spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/orm/jpa/JpaBaseConfiguration.java

@@ -116,6 +116,7 @@ public JpaVendorAdapter jpaVendorAdapter() {
 
 	@Bean
 	@ConditionalOnMissingBean
+	@SuppressWarnings("deprecation")
 	public EntityManagerFactoryBuilder entityManagerFactoryBuilder(
 			JpaVendorAdapter jpaVendorAdapter,
 			ObjectProvider<PersistenceUnitManager> persistenceUnitManager) {
@@ -151,6 +152,7 @@ public LocalContainerEntityManagerFactoryBean entityManagerFactory(
 	protected void customizeVendorProperties(Map<String, Object> vendorProperties) {
 	}
 
+	@Deprecated
 	protected EntityManagerFactoryBuilder.EntityManagerFactoryBeanCallback getVendorCallback() {
 		return null;
 	}

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/orm/jpa/EntityManagerFactoryBuilder.java

@@ -98,6 +98,7 @@ public Builder dataSource(DataSource dataSource) {
 	 * An optional callback for new entity manager factory beans.
 	 * @param callback the entity manager factory bean callback
 	 */
+	@Deprecated
 	public void setCallback(EntityManagerFactoryBeanCallback callback) {
 		this.callback = callback;
 	}
@@ -200,6 +201,7 @@ public Builder jta(boolean jta) {
 			return this;
 		}
 
+		@SuppressWarnings("deprecation")
 		public LocalContainerEntityManagerFactoryBean build() {
 			LocalContainerEntityManagerFactoryBean entityManagerFactoryBean = new LocalContainerEntityManagerFactoryBean();
 			if (EntityManagerFactoryBuilder.this.persistenceUnitManager != null) {
@@ -243,6 +245,7 @@ public LocalContainerEntityManagerFactoryBean build() {
 	 * A callback for new entity manager factory beans created by a Builder.
 	 */
 	@FunctionalInterface
+	@Deprecated
 	public interface EntityManagerFactoryBeanCallback {
 
 		void execute(LocalContainerEntityManagerFactoryBean factory);