spring PointcutComponentDefinition 源码
spring PointcutComponentDefinition 代码
文件路径：/spring-aop/src/main/java/org/springframework/aop/config/PointcutComponentDefinition.java
/*
* Copyright 2002-2012 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.config;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.beans.factory.parsing.AbstractComponentDefinition;
import org.springframework.lang.Nullable;
import org.springframework.util.Assert;
/**
* {@link org.springframework.beans.factory.parsing.ComponentDefinition}
* implementation that holds a pointcut definition.
*
* @author Rob Harrop
* @since 2.0
*/
public class PointcutComponentDefinition extends AbstractComponentDefinition {
private final String pointcutBeanName;
private final BeanDefinition pointcutDefinition;
private final String description;
public PointcutComponentDefinition(String pointcutBeanName, BeanDefinition pointcutDefinition, String expression) {
Assert.notNull(pointcutBeanName, "Bean name must not be null");
Assert.notNull(pointcutDefinition, "Pointcut definition must not be null");
Assert.notNull(expression, "Expression must not be null");
this.pointcutBeanName = pointcutBeanName;
this.pointcutDefinition = pointcutDefinition;
this.description = "Pointcut <name='" + pointcutBeanName + "', expression=[" + expression + "]>";
}
@Override
public String getName() {
return this.pointcutBeanName;
}
@Override
public String getDescription() {
return this.description;
}
@Override
public BeanDefinition[] getBeanDefinitions() {
return new BeanDefinition[] {this.pointcutDefinition};
}
@Override
@Nullable
public Object getSource() {
return this.pointcutDefinition.getSource();
}
}
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