Does Java – spring AOP compile time weaving or load time weaving?

I started using spring AOP for projects, and I was a little confused about weaving I know that spring AOP relies on aspectjweaver Jar, but as the documentation says, this is not weaving, it just uses some classes in this jar

But my question is, if AspectJ is not used for weaving, does spring AOP have its own weaving, which is executed at load time or compile time?

The relevant parts of my spring configuration XML file are:

<context:annotation-config />

<tx:advice id="txAdvice" transaction-manager="transactionManager">
    <tx:attributes>
        <tx:method name="get*" read-only="true" />
        <tx:method name="*" />
    </tx:attributes>
</tx:advice>

<aop:config>
    <aop:pointcut id="myaop" expression="execution(* my.package.*.*(..))" />
    <aop:advisor advice-ref="txAdvice" pointcut-ref="myaop" />
</aop:config>

<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
    <property name="dataSource" ref="dataSource" />
</bean>

Solution

http://docs.spring.io/spring/docs/4.0.1.RELEASE/spring-framework-reference/htmlsingle/#aop -introduction-defn

In 8.1 Under Item 1, it says:

Spring does not perform the same type of load time weaving as AspectJ, but works on proxies, as described in another part of the document:

http://docs.spring.io/spring/docs/4.0.1.RELEASE/spring-framework-reference/htmlsingle/#aop -understanding-aop-proxies

Editor: I just saw your comment. You are right in this assumption This document provides a fairly complete explanation of how it works

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