BeanDefinition interface exposes initMethodName and destroyMethodName

Also includes setters for role and description.

Issue: SPR-17275

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

 /*
- * Copyright 2002-2017 the original author or authors.
+ * Copyright 2002-2018 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.
@@ -242,28 +242,42 @@ public interface BeanDefinition extends AttributeAccessor, BeanMetadataElement {
 		return !getPropertyValues().isEmpty();
 	}
 
+	/**
+	 * Set the name of the initializer method.
+	 * @since 5.1
+	 */
+	void setInitMethodName(@Nullable String initMethodName);
 
-	// Read-only attributes
+	/**
+	 * Return the name of the initializer method.
+	 * @since 5.1
+	 */
+	@Nullable
+	String getInitMethodName();
 
 	/**
-	 * Return whether this a <b>Singleton</b>, with a single, shared instance
-	 * returned on all calls.
-	 * @see #SCOPE_SINGLETON
+	 * Set the name of the destroy method.
+	 * @since 5.1
 	 */
-	boolean isSingleton();
+	void setDestroyMethodName(@Nullable String destroyMethodName);
 
 	/**
-	 * Return whether this a <b>Prototype</b>, with an independent instance
-	 * returned for each call.
-	 * @since 3.0
-	 * @see #SCOPE_PROTOTYPE
+	 * Return the name of the destroy method.
+	 * @since 5.1
 	 */
-	boolean isPrototype();
+	@Nullable
+	String getDestroyMethodName();
 
 	/**
-	 * Return whether this bean is "abstract", that is, not meant to be instantiated.
+	 * Set the role hint for this {@code BeanDefinition}. The role hint
+	 * provides the frameworks as well as tools with an indication of
+	 * the role and importance of a particular {@code BeanDefinition}.
+	 * @since 5.1
+	 * @see #ROLE_APPLICATION
+	 * @see #ROLE_SUPPORT
+	 * @see #ROLE_INFRASTRUCTURE
 	 */
-	boolean isAbstract();
+	void setRole(int role);
 
 	/**
 	 * Get the role hint for this {@code BeanDefinition}. The role hint
@@ -275,12 +289,41 @@ public interface BeanDefinition extends AttributeAccessor, BeanMetadataElement {
 	 */
 	int getRole();
 
+	/**
+	 * Set a human-readable description of this bean definition.
+	 * @since 5.1
+	 */
+	void setDescription(@Nullable String description);
+
 	/**
 	 * Return a human-readable description of this bean definition.
 	 */
 	@Nullable
 	String getDescription();
 
+
+	// Read-only attributes
+
+	/**
+	 * Return whether this a <b>Singleton</b>, with a single, shared instance
+	 * returned on all calls.
+	 * @see #SCOPE_SINGLETON
+	 */
+	boolean isSingleton();
+
+	/**
+	 * Return whether this a <b>Prototype</b>, with an independent instance
+	 * returned for each call.
+	 * @since 3.0
+	 * @see #SCOPE_PROTOTYPE
+	 */
+	boolean isPrototype();
+
+	/**
+	 * Return whether this bean is "abstract", that is, not meant to be instantiated.
+	 */
+	boolean isAbstract();
+
 	/**
 	 * Return a description of the resource that this bean definition
 	 * came from (for the purpose of showing context in case of errors).

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

@@ -878,6 +878,7 @@ public abstract class AbstractBeanDefinition extends BeanMetadataAttributeAccess
 	 * Set the name of the initializer method.
 	 * <p>The default is {@code null} in which case there is no initializer method.
 	 */
+	@Override
 	public void setInitMethodName(@Nullable String initMethodName) {
 		this.initMethodName = initMethodName;
 	}
@@ -885,6 +886,7 @@ public abstract class AbstractBeanDefinition extends BeanMetadataAttributeAccess
 	/**
 	 * Return the name of the initializer method.
 	 */
+	@Override
 	@Nullable
 	public String getInitMethodName() {
 		return this.initMethodName;
@@ -911,6 +913,7 @@ public abstract class AbstractBeanDefinition extends BeanMetadataAttributeAccess
 	 * Set the name of the destroy method.
 	 * <p>The default is {@code null} in which case there is no destroy method.
 	 */
+	@Override
 	public void setDestroyMethodName(@Nullable String destroyMethodName) {
 		this.destroyMethodName = destroyMethodName;
 	}
@@ -918,6 +921,7 @@ public abstract class AbstractBeanDefinition extends BeanMetadataAttributeAccess
 	/**
 	 * Return the name of the destroy method.
 	 */
+	@Override
 	@Nullable
 	public String getDestroyMethodName() {
 		return this.destroyMethodName;
@@ -960,6 +964,7 @@ public abstract class AbstractBeanDefinition extends BeanMetadataAttributeAccess
 	/**
 	 * Set the role hint for this {@code BeanDefinition}.
 	 */
+	@Override
 	public void setRole(int role) {
 		this.role = role;
 	}
@@ -975,6 +980,7 @@ public abstract class AbstractBeanDefinition extends BeanMetadataAttributeAccess
 	/**
 	 * Set a human-readable description of this bean definition.
 	 */
+	@Override
 	public void setDescription(@Nullable String description) {
 		this.description = description;
 	}

spring-context/src/main/java/org/springframework/context/annotation/AnnotationConfigUtils.java

@@ -25,7 +25,6 @@ import org.springframework.beans.factory.annotation.AnnotatedBeanDefinition;
 import org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor;
 import org.springframework.beans.factory.config.BeanDefinition;
 import org.springframework.beans.factory.config.BeanDefinitionHolder;
-import org.springframework.beans.factory.support.AbstractBeanDefinition;
 import org.springframework.beans.factory.support.BeanDefinitionRegistry;
 import org.springframework.beans.factory.support.DefaultListableBeanFactory;
 import org.springframework.beans.factory.support.RootBeanDefinition;
@@ -255,16 +254,13 @@ public abstract class AnnotationConfigUtils {
 			abd.setDependsOn(dependsOn.getStringArray("value"));
 		}
 
-		if (abd instanceof AbstractBeanDefinition) {
-			AbstractBeanDefinition absBd = (AbstractBeanDefinition) abd;
-			AnnotationAttributes role = attributesFor(metadata, Role.class);
-			if (role != null) {
-				absBd.setRole(role.getNumber("value").intValue());
-			}
-			AnnotationAttributes description = attributesFor(metadata, Description.class);
-			if (description != null) {
-				absBd.setDescription(description.getString("value"));
-			}
+		AnnotationAttributes role = attributesFor(metadata, Role.class);
+		if (role != null) {
+			abd.setRole(role.getNumber("value").intValue());
+		}
+		AnnotationAttributes description = attributesFor(metadata, Description.class);
+		if (description != null) {
+			abd.setDescription(description.getString("value"));
 		}
 	}
 

spring-context/src/main/java/org/springframework/scripting/support/ScriptFactoryPostProcessor.java

@@ -41,7 +41,6 @@ import org.springframework.beans.factory.FactoryBean;
 import org.springframework.beans.factory.config.BeanDefinition;
 import org.springframework.beans.factory.config.ConfigurableBeanFactory;
 import org.springframework.beans.factory.config.InstantiationAwareBeanPostProcessorAdapter;
-import org.springframework.beans.factory.support.AbstractBeanDefinition;
 import org.springframework.beans.factory.support.BeanDefinitionValidationException;
 import org.springframework.beans.factory.support.DefaultListableBeanFactory;
 import org.springframework.beans.factory.support.GenericBeanDefinition;
@@ -516,16 +515,13 @@ public class ScriptFactoryPostProcessor extends InstantiationAwareBeanPostProces
 			Signature signature = new Signature(setterName, Type.VOID_TYPE, new Type[] {Type.getType(propertyType)});
 			maker.add(signature, new Type[0]);
 		}
-		if (bd instanceof AbstractBeanDefinition) {
-			AbstractBeanDefinition abd = (AbstractBeanDefinition) bd;
-			if (abd.getInitMethodName() != null) {
-				Signature signature = new Signature(abd.getInitMethodName(), Type.VOID_TYPE, new Type[0]);
-				maker.add(signature, new Type[0]);
-			}
-			if (StringUtils.hasText(abd.getDestroyMethodName())) {
-				Signature signature = new Signature(abd.getDestroyMethodName(), Type.VOID_TYPE, new Type[0]);
-				maker.add(signature, new Type[0]);
-			}
+		if (bd.getInitMethodName() != null) {
+			Signature signature = new Signature(bd.getInitMethodName(), Type.VOID_TYPE, new Type[0]);
+			maker.add(signature, new Type[0]);
+		}
+		if (StringUtils.hasText(bd.getDestroyMethodName())) {
+			Signature signature = new Signature(bd.getDestroyMethodName(), Type.VOID_TYPE, new Type[0]);
+			maker.add(signature, new Type[0]);
 		}
 		return maker.create();
 	}