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LazySingletonAspectInstanceFactoryDecorator uses shared singleton mutex 

Issue: SPR-14241
This commit is contained in:
Juergen Hoeller 2016-05-04 09:03:28 +02:00
parent e26478e3de
commit e6e3ca3e96
6 changed files with 44 additions and 14 deletions
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17
spring-aop/src/main/java/org/springframework/aop/aspectj/annotation/BeanFactoryAspectInstanceFactory.java
View File

@ -1,5 +1,5 @@
/*
* Copyright 2002-2015 the original author or authors.
* Copyright 2002-2016 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.
@ -82,12 +82,9 @@ public class BeanFactoryAspectInstanceFactory implements MetadataAwareAspectInst
@Override
public ClassLoader getAspectClassLoader() {
if (this.beanFactory instanceof ConfigurableBeanFactory) {
return ((ConfigurableBeanFactory) this.beanFactory).getBeanClassLoader();
}
else {
return ClassUtils.getDefaultClassLoader();
}
return (this.beanFactory instanceof ConfigurableBeanFactory ?
((ConfigurableBeanFactory) this.beanFactory).getBeanClassLoader() :
ClassUtils.getDefaultClassLoader());
}
@Override
@ -95,6 +92,12 @@ public class BeanFactoryAspectInstanceFactory implements MetadataAwareAspectInst
return this.aspectMetadata;
}
@Override
public Object getAspectCreationMutex() {
return (this.beanFactory instanceof ConfigurableBeanFactory ?
((ConfigurableBeanFactory) this.beanFactory).getSingletonMutex() : this);
}
/**
* Determine the order for this factory's target aspect, either
* an instance-specific order expressed through implementing the

11
spring-aop/src/main/java/org/springframework/aop/aspectj/annotation/LazySingletonAspectInstanceFactoryDecorator.java
View File

@ -1,5 +1,5 @@
/*
* Copyright 2002-2015 the original author or authors.
* Copyright 2002-2016 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.
@ -46,9 +46,9 @@ public class LazySingletonAspectInstanceFactoryDecorator implements MetadataAwar
@Override
public synchronized Object getAspectInstance() {
public Object getAspectInstance() {
if (this.materialized == null) {
synchronized (this) {
synchronized (this.maaif.getAspectCreationMutex()) {
if (this.materialized == null) {
this.materialized = this.maaif.getAspectInstance();
}
@ -71,6 +71,11 @@ public class LazySingletonAspectInstanceFactoryDecorator implements MetadataAwar
return this.maaif.getAspectMetadata();
}
@Override
public Object getAspectCreationMutex() {
return this.maaif.getAspectCreationMutex();
}
@Override
public int getOrder() {
return this.maaif.getOrder();

9
spring-aop/src/main/java/org/springframework/aop/aspectj/annotation/MetadataAwareAspectInstanceFactory.java
View File

@ -1,5 +1,5 @@
/*
* Copyright 2002-2007 the original author or authors.
* Copyright 2002-2016 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.
@ -39,4 +39,11 @@ public interface MetadataAwareAspectInstanceFactory extends AspectInstanceFactor
*/
AspectMetadata getAspectMetadata();
/**
* Return the best possible creation mutex for this factory.
* @return the mutex object (never {@code null})
* @since 4.3
*/
Object getAspectCreationMutex();
}

7
spring-aop/src/main/java/org/springframework/aop/aspectj/annotation/SimpleMetadataAwareAspectInstanceFactory.java
View File

@ -1,5 +1,5 @@
/*
* Copyright 2002-2014 the original author or authors.
* Copyright 2002-2016 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.
@ -50,6 +50,11 @@ public class SimpleMetadataAwareAspectInstanceFactory extends SimpleAspectInstan
return this.metadata;
}
@Override
public Object getAspectCreationMutex() {
return this;
}
@Override
protected int getOrderForAspectClass(Class<?> aspectClass) {
return OrderUtils.getOrder(aspectClass, Ordered.LOWEST_PRECEDENCE);

7
spring-aop/src/main/java/org/springframework/aop/aspectj/annotation/SingletonMetadataAwareAspectInstanceFactory.java
View File

@ -1,5 +1,5 @@
/*
* Copyright 2002-2015 the original author or authors.
* Copyright 2002-2016 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.
@ -55,6 +55,11 @@ public class SingletonMetadataAwareAspectInstanceFactory extends SingletonAspect
return this.metadata;
}
@Override
public Object getAspectCreationMutex() {
return this;
}
@Override
protected int getOrderForAspectClass(Class<?> aspectClass) {
return OrderUtils.getOrder(aspectClass, Ordered.LOWEST_PRECEDENCE);

7
spring-aop/src/test/java/org/springframework/aop/aspectj/annotation/AbstractAspectJAdvisorFactoryTests.java
View File

@ -1,5 +1,5 @@
/*
* Copyright 2002-2015 the original author or authors.
* Copyright 2002-2016 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.
@ -693,6 +693,11 @@ public abstract class AbstractAspectJAdvisorFactoryTests {
return new AspectMetadata(PerTypeWithinAspect.class, "perTypeWithin");
}
@Override
public Object getAspectCreationMutex() {
return this;
}
@Override
public int getOrder() {
return Ordered.LOWEST_PRECEDENCE;