spring PrototypeAspectInstanceFactory 源码
spring PrototypeAspectInstanceFactory 代码
文件路径：/spring-aop/src/main/java/org/springframework/aop/aspectj/annotation/PrototypeAspectInstanceFactory.java
/*
* Copyright 2002-2015 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.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.aop.aspectj.annotation;
import java.io.Serializable;
import org.springframework.beans.factory.BeanFactory;
/**
* {@link org.springframework.aop.aspectj.AspectInstanceFactory} backed by a
* {@link BeanFactory}-provided prototype, enforcing prototype semantics.
*
* <p>Note that this may instantiate multiple times, which probably won't give the
* semantics you expect. Use a {@link LazySingletonAspectInstanceFactoryDecorator}
* to wrap this to ensure only one new aspect comes back.
*
* @author Rod Johnson
* @author Juergen Hoeller
* @since 2.0
* @see org.springframework.beans.factory.BeanFactory
* @see LazySingletonAspectInstanceFactoryDecorator
*/
@SuppressWarnings("serial")
public class PrototypeAspectInstanceFactory extends BeanFactoryAspectInstanceFactory implements Serializable {
/**
* Create a PrototypeAspectInstanceFactory. AspectJ will be called to
* introspect to create AJType metadata using the type returned for the
* given bean name from the BeanFactory.
* @param beanFactory the BeanFactory to obtain instance(s) from
* @param name the name of the bean
*/
public PrototypeAspectInstanceFactory(BeanFactory beanFactory, String name) {
super(beanFactory, name);
if (!beanFactory.isPrototype(name)) {
throw new IllegalArgumentException(
"Cannot use PrototypeAspectInstanceFactory with bean named '" + name + "': not a prototype");
}
}
}
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