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- /*
- * Copyright 2002-2013 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.beans.factory.aspectj;
-
- import org.aspectj.lang.annotation.SuppressAjWarnings;
- import org.aspectj.lang.annotation.control.CodeGenerationHint;
-
- /**
- * Abstract base aspect that can perform Dependency
- * Injection on objects, however they may be created.
- *
- * @author Ramnivas Laddad
- * @since 2.5.2
- */
- public abstract aspect AbstractDependencyInjectionAspect {
- /**
- * Select construction join points for objects to inject dependencies
- */
- public abstract pointcut beanConstruction(Object bean);
-
- /**
- * Select deserialization join points for objects to inject dependencies
- */
- public abstract pointcut beanDeserialization(Object bean);
-
- /**
- * Select join points in a configurable bean
- */
- public abstract pointcut inConfigurableBean();
-
- /**
- * Select join points in beans to be configured prior to construction?
- * By default, use post-construction injection matching the default in the Configurable annotation.
- */
- public pointcut preConstructionConfiguration() : if(false);
-
- /**
- * Select the most-specific initialization join point
- * (most concrete class) for the initialization of an instance.
- */
- @CodeGenerationHint(ifNameSuffix="6f1")
- public pointcut mostSpecificSubTypeConstruction() :
- if(thisJoinPoint.getSignature().getDeclaringType() == thisJoinPoint.getThis().getClass());
-
- /**
- * Select least specific super type that is marked for DI (so that injection occurs only once with pre-construction inejection
- */
- public abstract pointcut leastSpecificSuperTypeConstruction();
-
- /**
- * Configure the bean
- */
- public abstract void configureBean(Object bean);
-
-
- private pointcut preConstructionCondition() :
- leastSpecificSuperTypeConstruction() && preConstructionConfiguration();
-
- private pointcut postConstructionCondition() :
- mostSpecificSubTypeConstruction() && !preConstructionConfiguration();
-
- /**
- * Pre-construction configuration.
- */
- @SuppressAjWarnings("adviceDidNotMatch")
- before(Object bean) :
- beanConstruction(bean) && preConstructionCondition() && inConfigurableBean() {
- configureBean(bean);
- }
-
- /**
- * Post-construction configuration.
- */
- @SuppressAjWarnings("adviceDidNotMatch")
- after(Object bean) returning :
- beanConstruction(bean) && postConstructionCondition() && inConfigurableBean() {
- configureBean(bean);
- }
-
- /**
- * Post-deserialization configuration.
- */
- @SuppressAjWarnings("adviceDidNotMatch")
- after(Object bean) returning :
- beanDeserialization(bean) && inConfigurableBean() {
- configureBean(bean);
- }
-
- }
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