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spring-beans-factorybean.drawio
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<mxCell id="w4FkYv5Shg38tEnAdtc6-5" value="<span>beanName = transformedBeanName(name)<br><font color="#007fff" style="font-size: 10px;">如果name是"&amp;某工厂Bean名称“, 去掉前面的"&amp;", 如果是别名，从aliasMap获取真实的名字</font><br></span>" style="rounded=1;whiteSpace=wrap;html=1;fontSize=10;fillColor=#dae8fc;strokeColor=#6c8ebf;" parent="1" vertex="1">
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<mxCell id="w4FkYv5Shg38tEnAdtc6-8" value="<font>Object sharedInstance = getSingleton(beanName);<br><font color="#007fff">按beanName尝试先从singleObject获取<br>DEMO此步骤获取的CarFactoryBean这个工厂Bean实例</font><br></font>" style="rounded=1;whiteSpace=wrap;html=1;fontSize=10;fillColor=#dae8fc;strokeColor=#6c8ebf;" parent="1" vertex="1">
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<mxCell id="w4FkYv5Shg38tEnAdtc6-16" value="<font>bean = <b>getObjectForBeanInstance</b>(<br>sharedInstance, name, beanName, null)<br><font color="#007fff">如果sharedInstance是FactoryBean就调用工厂方法创建Bean并返回，如果不是工厂Bean就直接返回sharedInstance</font><br></font>" style="rounded=1;whiteSpace=wrap;html=1;fontSize=10;fillColor=#ffe6cc;strokeColor=#d79b00;" parent="1" vertex="1">
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<mxCell id="w4FkYv5Shg38tEnAdtc6-18" value="<font style="font-size: 10px;">BeanFactory parentBeanFactory = getParentBeanFactory();<br><font color="#007fff"><span style="">存在父BeanFactory</span><span style="">且当前BeanFactory没有此beanName指定的BeanDefinition, 就交给父BeanFactory创建</span></font><br></font>" style="rounded=1;whiteSpace=wrap;html=1;fontSize=10;" parent="1" vertex="1">
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<mxCell id="w4FkYv5Shg38tEnAdtc6-23" value="<font style="font-size: 10px;">下面这块逻辑主要是为了解决循环依赖：<br><br><b style="">singletonObjects</b><span style="">：被称作一级缓存，存储</span><b style="">已经完成初始化</b><span style="">的Bean</span><br><b style="">earlySingletonObjects</b><span style="">：被称作二级缓存，存储</span><b style="">已经实例化但未完成初始化且已经执行过单例工厂方法</b><span style="">的Bean</span><br><b style="">singletonFactories</b><span style="">： 被称作三级缓存，存储</span><b style="">已经实例化但未完成初始化</b><span style="">的Bean的单例工厂</span><br><br><span style=""><b>earlyProxyReferences: </b>保存被代理Bean的原始对象</span><br><br><b style="">singletonsCurrentlyInCreation</b><span style="">: 记录正在创建的Bean</span><br></font>" style="text;html=1;strokeColor=none;fillColor=none;align=left;verticalAlign=middle;whiteSpace=wrap;rounded=0;fontSize=8;fontColor=#007FFF;" parent="1" vertex="1">
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<mxCell id="w4FkYv5Shg38tEnAdtc6-28" value="<font style="font-size: 9px">singletonObject = this.<b>earlySingletonObjects</b>.get(beanName)<br><font color="#007fff">测试DEMO中此容器并没有使用到，总是为空</font><br></font>" style="whiteSpace=wrap;html=1;fontSize=10;rounded=1;arcSize=16;" parent="1" vertex="1">
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<mxCell id="w4FkYv5Shg38tEnAdtc6-31" value="N<br>两种情况：<br>1 不允许提前暴露，返回null;<br>2&nbsp;singletonObject 不为空，返回未初始化完成的Bean<br>（可能初始化了一部分）。" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;exitX=0.5;exitY=1;exitDx=0;exitDy=0;entryX=0.5;entryY=0;entryDx=0;entryDy=0;fontSize=8;fontColor=#007FFF;" parent="1" source="w4FkYv5Shg38tEnAdtc6-33" target="w4FkYv5Shg38tEnAdtc6-30" edge="1">
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<mxCell id="w4FkYv5Shg38tEnAdtc6-523" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;exitX=1;exitY=0.5;exitDx=0;exitDy=0;entryX=1;entryY=0.5;entryDx=0;entryDy=0;fillColor=#d5e8d4;strokeColor=#82b366;" parent="1" source="w4FkYv5Shg38tEnAdtc6-40" target="w4FkYv5Shg38tEnAdtc6-28" edge="1">
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<mxCell id="w4FkYv5Shg38tEnAdtc6-40" value="<div style="font-size: 9px"><span style="background-color: initial;">this.</span><b style="background-color: initial;">earlySingletonObjects</b><span style="background-color: initial;">.put(beanName, singletonObject);</span><br></div><div><font><font size="1">this.<b>singletonFactories</b>.remove(beanName)</font><br><font color="#007fff" style="font-size: 8px">使用三级缓存的早期包装对象创建的纯洁态的bean并存入二级缓存</font><br></font></div>" style="whiteSpace=wrap;html=1;fontSize=10;rounded=1;arcSize=16;align=left;fillColor=#fff2cc;strokeColor=#d6b656;" parent="1" vertex="1">
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<mxCell id="w4FkYv5Shg38tEnAdtc6-46" value="<font style="font-size: 10px;">2 上一步结果：<br><b>1）sharedInstance 不为空（Bean实例已经创建或正在创建）<br></b><span style="">1.1）完整态Bean </span><br><span style="">注意：可能是FactoryBean所以需要额外处理；</span><br><span style="">1.2）两种半成品Bean</span><br><b><span style="">2）</span>sharedInstance 为空（Bean实例还未创建）<br></b><span style="">DEMO获取的CarFactoryBean这个工厂Bean实例</span><br></font>" style="text;html=1;strokeColor=none;fillColor=none;align=left;verticalAlign=middle;whiteSpace=wrap;rounded=0;fontSize=8;fontColor=#007FFF;" parent="1" vertex="1">
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<mxCell id="w4FkYv5Shg38tEnAdtc6-301" value="<font color="#007fff" style="font-size: 10px;">然后再继续创建当前Bean</font>" style="edgeLabel;html=1;align=center;verticalAlign=middle;resizable=0;points=[];" parent="w4FkYv5Shg38tEnAdtc6-49" vertex="1" connectable="0">
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<mxCell id="w4FkYv5Shg38tEnAdtc6-300" value="Y" style="edgeLabel;html=1;align=center;verticalAlign=middle;resizable=0;points=[];" parent="w4FkYv5Shg38tEnAdtc6-50" vertex="1" connectable="0">
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<mxCell id="w4FkYv5Shg38tEnAdtc6-52" value="<font color="#007fff">单例</font>" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;exitX=1;exitY=0.5;exitDx=0;exitDy=0;entryX=0;entryY=0.5;entryDx=0;entryDy=0;" parent="1" source="w4FkYv5Shg38tEnAdtc6-55" target="w4FkYv5Shg38tEnAdtc6-60" edge="1">
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<mxCell id="w4FkYv5Shg38tEnAdtc6-53" value="原型" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;exitX=1;exitY=0.5;exitDx=0;exitDy=0;entryX=0;entryY=0.5;entryDx=0;entryDy=0;fontColor=#007FFF;" parent="1" source="w4FkYv5Shg38tEnAdtc6-55" target="w4FkYv5Shg38tEnAdtc6-61" edge="1">
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<mxCell id="w4FkYv5Shg38tEnAdtc6-54" value="其他(请求、会话)" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;exitX=1;exitY=0.5;exitDx=0;exitDy=0;entryX=0;entryY=0.5;entryDx=0;entryDy=0;fontColor=#007FFF;" parent="1" source="w4FkYv5Shg38tEnAdtc6-55" target="w4FkYv5Shg38tEnAdtc6-306" edge="1">
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<mxCell id="w4FkYv5Shg38tEnAdtc6-55" value="按Bean作用域创建" style="rhombus;whiteSpace=wrap;html=1;fontSize=10;rounded=1;" parent="1" vertex="1">
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<mxCell id="w4FkYv5Shg38tEnAdtc6-57" value="<font>for (String dep : dependsOn)：<br><div>registerDependentBean(dep, beanName);</div><div><b>getBean</b>(dep);</div><div><font style="font-size: 9px;" color="#007fff">需要先创建依赖的Bean实例，如果依赖的Bean还依赖其他Bean,就先创建依赖的其他Bean</font></div></font>" style="rounded=1;whiteSpace=wrap;html=1;fontSize=10;fillColor=#dae8fc;strokeColor=#6c8ebf;" parent="1" vertex="1">
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<mxCell id="w4FkYv5Shg38tEnAdtc6-59" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;fontSize=8;fontColor=#007FFF;strokeColor=#000000;entryX=0;entryY=0.5;entryDx=0;entryDy=0;" parent="1" source="w4FkYv5Shg38tEnAdtc6-60" target="w4FkYv5Shg38tEnAdtc6-446" edge="1">
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<mxCell id="w4FkYv5Shg38tEnAdtc6-62" value="<font>beanInstance = <b>getObjectForBeanInstance</b>(<br>prototypeInstance, name, beanName, mbd);<br></font>" style="rounded=1;whiteSpace=wrap;html=1;fontSize=10;fillColor=#dae8fc;strokeColor=#6c8ebf;" parent="1" vertex="1">
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<mxCell id="w4FkYv5Shg38tEnAdtc6-65" value="<font>markBeanAsCreated(beanName)<br><font color="#007fff">记录下beanName防止重复创建</font><br></font>" style="rounded=1;whiteSpace=wrap;html=1;fontSize=10;" parent="1" vertex="1">
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<mxCell id="w4FkYv5Shg38tEnAdtc6-275" value="<div style="font-size: 9px;"><div style="font-size: 9px;">synchronized (getSingletonMutex()) {<font style="font-size: 9px;" color="#007fff"> //获取的是&nbsp;singletonObjects</font></div><div style="font-size: 9px;">&nbsp; &nbsp; Object object = this.<b>factoryBeanObjectCache</b>.get(beanName);</div><div style="font-size: 9px;">&nbsp; &nbsp; if (object == null) {</div><div style="font-size: 9px;"><font style="font-size: 9px;" color="#007fff"><span style=""><span style="white-space: pre;">&nbsp;&nbsp;&nbsp;&nbsp; </span></span>//内部主要是调用FactoryBean实例的getObject()方法创建Bean</font><br></div><div style="font-size: 9px;">&nbsp; &nbsp; &nbsp; &nbsp; object = <b>doGetObjectFromFactoryBean</b>(factory, beanName);</div><div style=""><span style="font-size: 9px;"><span style="white-space: pre;">&nbsp;&nbsp;&nbsp;&nbsp; </span></span><font style="font-size: 9px;" color="#007fff">//这里为何又查一遍？</font><span style="background-color: initial;">&nbsp; &nbsp; &nbsp; &nbsp; <br><span style="white-space: pre;">	</span>Object alreadyThere = this.</span><b style="background-color: initial;">factoryBeanObjectCache</b><span style="background-color: initial;">.get(beanName);</span></div><div style="font-size: 9px;">&nbsp; &nbsp; &nbsp; &nbsp; if (alreadyThere != null) {</div><div style="font-size: 9px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; object = alreadyThere;</div><div style="font-size: 9px;">&nbsp; &nbsp; &nbsp; &nbsp; } else {</div><div style="font-size: 9px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if (shouldPostProcess) { <font color="#007fff">//后置处理</font></div><div style="font-size: 9px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if (isSingletonCurrentlyInCreation(beanName)) {</div><div style="font-size: 9px;"><font color="#007fff">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; // Temporarily return non-post-processed object, not storing it yet..</font></div><div style="font-size: 9px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; return object;</div><div style="font-size: 9px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }</div><div style="font-size: 9px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <b>beforeSingletonCreation</b>(beanName);</div><div style="font-size: 9px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; try {</div><div style="font-size: 9px;"><font color="#007fff"><span style="white-space: pre;">	</span><span style="white-space: pre;">	</span>&nbsp; &nbsp; //就是调用后置处理器，比如执行一些初始化等操作</font><br></div><div style="font-size: 9px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; object = <b>postProcessObjectFromFactoryBean</b>(object, beanName);</div><div style="font-size: 9px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }</div><div style="font-size: 9px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; catch (Throwable ex) {</div><div style="font-size: 9px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; throw new BeanCreationException(...<span style="background-color: initial;">);</span></div><div style="font-size: 9px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }</div><div style="font-size: 9px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; finally {</div><div style="font-size: 9px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <b>afterSingletonCreation</b>(beanName);</div><div style="font-size: 9px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }</div><div style="font-size: 9px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }</div><div style="font-size: 9px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if (containsSingleton(beanName)) {</div><div style="font-size: 9px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; this.<b>factoryBeanObjectCache</b>.put(beanName, object);</div><div style="font-size: 9px;">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }</div><div style="font-size: 9px;">&nbsp; &nbsp; &nbsp; &nbsp; }</div><div style="font-size: 9px;">&nbsp; &nbsp; }</div><div style="font-size: 9px;">&nbsp; &nbsp; return object;</div><div style="font-size: 9px;">}</div></div>" style="whiteSpace=wrap;html=1;fontSize=10;rounded=1;arcSize=2;align=left;" parent="1" vertex="1">
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<mxCell id="w4FkYv5Shg38tEnAdtc6-278" value="<div style="font-size: 8px;"><font style="font-size: 8px;">是<b>单例</b>工厂Bean &amp;&amp;&nbsp;</font></div><div style="font-size: 8px;"><font style="font-size: 8px;">此工厂Bean<b>已经初始化</b></font></div>" style="text;html=1;align=center;verticalAlign=middle;resizable=0;points=[];autosize=1;strokeColor=none;fillColor=none;fontSize=10;fontColor=#007FFF;" parent="1" vertex="1">
<mxGeometry x="2220" y="1035" width="110" height="30" as="geometry" />
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<mxCell id="w4FkYv5Shg38tEnAdtc6-286" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;" parent="1" source="w4FkYv5Shg38tEnAdtc6-279" target="w4FkYv5Shg38tEnAdtc6-285" edge="1">
<mxGeometry relative="1" as="geometry" />
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<mxCell id="w4FkYv5Shg38tEnAdtc6-288" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;" parent="1" source="w4FkYv5Shg38tEnAdtc6-279" target="w4FkYv5Shg38tEnAdtc6-287" edge="1">
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<mxCell id="w4FkYv5Shg38tEnAdtc6-279" value="<div style=""><font size="1">Object object = <b>doGetObjectFromFactoryBean</b>(factory, beanName);</font><br></div><div style=""><font color="#007fff" size="1">传beanName只是为了检查防止其他线程正在创建同名的Bean</font></div>" style="whiteSpace=wrap;html=1;fontSize=10;rounded=1;arcSize=10;" parent="1" vertex="1">
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<mxCell id="w4FkYv5Shg38tEnAdtc6-283" value="<font color="#007fff" style="">Object alreadyThere = this.factoryBeanObjectCache.get(beanName);<br><b style="font-size: 10px;">关于这里为何又查询一遍的思考</b><br style="font-size: 10px;">factoryBeanObjectCache 是私有成员，没有Getter方法（不会在其他类中对factoryBeanObjectCache进行增删改操作<span style="font-size: 10px;">），本类中唯一的put() 操作也是在</span><br style="font-size: 10px;"><span style="font-size: 10px;">synchronized(singletonObjects) 同步控制下执行的；</span><br style="font-size: 10px;"><span style="font-size: 10px;">不太可能因为其他线程的操作导致 alreadyThere != null;&nbsp;<br></span>这里还有什么其他原因么？<br style="font-size: 10px;"></font>" style="text;html=1;strokeColor=none;fillColor=none;align=left;verticalAlign=top;whiteSpace=wrap;rounded=0;fontSize=10;" parent="1" vertex="1">
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</mxCell>
<mxCell id="w4FkYv5Shg38tEnAdtc6-284" value="<div style="font-size: 8px;">即非单例工厂Bean</div>" style="text;html=1;align=center;verticalAlign=middle;resizable=0;points=[];autosize=1;strokeColor=none;fillColor=none;fontSize=10;fontColor=#007FFF;" parent="1" vertex="1">
<mxGeometry x="2230" y="1167.5" width="90" height="20" as="geometry" />
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<mxCell id="w4FkYv5Shg38tEnAdtc6-285" value="<div style="font-size: 9px;"><font style="font-size: 9px;">if (shouldPostProcess)<br></font></div><div style="font-size: 9px;"><font style="font-size: 9px;">object = <b>postProcessObjectFromFactoryBean</b>(</font></div><div style="font-size: 9px;"><font style="font-size: 9px;">object, beanName);<br></font></div><div style="font-size: 9px;"><font style="font-size: 9px;" color="#007fff">后置处理，</font></div><font style="font-size: 9px;" color="#007fff">就是调用后置处理器，比如执行一些初始化等操作</font>" style="whiteSpace=wrap;html=1;fontSize=10;rounded=1;arcSize=10;" parent="1" vertex="1">
<mxGeometry x="2360" y="1320" width="200" height="60" as="geometry" />
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<mxCell id="w4FkYv5Shg38tEnAdtc6-287" value="<div style=""><font size="1">object = factory.getObject();</font><br></div><div style=""><font color="#007fff" size="1">通过工厂Bean创建目标Bean</font></div><div style=""><font color="#007fff" size="1">这里省略了系统安全管理器忽略权限限制的代码</font></div>" style="whiteSpace=wrap;html=1;fontSize=10;rounded=1;arcSize=10;fillColor=#fff2cc;strokeColor=#d6b656;" parent="1" vertex="1">
<mxGeometry x="2720" y="1240" width="200" height="60" as="geometry" />
</mxCell>
<mxCell id="w4FkYv5Shg38tEnAdtc6-291" value="<div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">sharedInstance不为空</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">不为空情况下有两种可能：</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">1. sharedInstance就是需要Bean</font></div><div style="font-size: 10px;"><font style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">2. sharedInstance是创建需要的Bean</font><span style="color: rgb(0, 127, 255); background-color: initial;">的FactoryBean</span></font></div>" style="text;html=1;align=left;verticalAlign=middle;resizable=0;points=[];autosize=1;strokeColor=none;fillColor=none;" parent="1" vertex="1">
<mxGeometry x="860" y="779.5" width="250" height="60" as="geometry" />
</mxCell>
<mxCell id="w4FkYv5Shg38tEnAdtc6-295" value="<div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">sharedInstance为空</font></div><div style="font-size: 10px;"><font color="#007fff" style="font-size: 10px;">即之前没有创建Bean</font></div>" style="text;html=1;align=left;verticalAlign=middle;resizable=0;points=[];autosize=1;strokeColor=none;fillColor=none;fontSize=10;" parent="1" vertex="1">
<mxGeometry x="860" y="880" width="120" height="40" as="geometry" />
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<mxCell id="w4FkYv5Shg38tEnAdtc6-296" value="<font>if (requiredType != null &amp;&amp; !requiredType.isInstance(bean))<br>Object convertedBean = getTypeConverter()<br>.convertIfNecessary(bean, requiredType);<br><font style="font-size: 9px;" color="#007fff">如果要求的返回类型不为空就转换下Bean的类型</font><br></font>" style="rounded=1;whiteSpace=wrap;html=1;fontSize=10;" parent="1" vertex="1">
<mxGeometry x="881" y="1781" width="200" height="59" as="geometry" />
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<mxCell id="w4FkYv5Shg38tEnAdtc6-298" value="<font style="font-size: 10px;">3 按要求的返回类型 requiredType <br>对 Bean实例进行类型转换<br></font>" style="text;html=1;strokeColor=none;fillColor=none;align=left;verticalAlign=middle;whiteSpace=wrap;rounded=0;fontSize=8;fontColor=#007FFF;" parent="1" vertex="1">
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<mxCell id="w4FkYv5Shg38tEnAdtc6-299" value="<font style=""><font style="font-size: 10px;">1 先尝试从singletonObjects查，因为要获取的Bean可能已经创建或正在被创建</font><br></font>" style="text;html=1;strokeColor=none;fillColor=none;align=left;verticalAlign=middle;whiteSpace=wrap;rounded=0;fontSize=8;fontColor=#007FFF;" parent="1" vertex="1">
<mxGeometry x="440" y="200" width="180" height="60" as="geometry" />
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<mxCell id="w4FkYv5Shg38tEnAdtc6-303" value="<font color="#007fff" style="font-size: 9px;">beforeSingletonCreation afterSingletonCreation <br>是记录下创建状态，用于防止重复Bean重复创建</font>" style="text;html=1;align=left;verticalAlign=middle;resizable=0;points=[];autosize=1;strokeColor=none;fillColor=none;" parent="1" vertex="1">
<mxGeometry x="1360" y="1315" width="220" height="40" as="geometry" />
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<mxCell id="w4FkYv5Shg38tEnAdtc6-306" value="<font>暂略<br></font>" style="rounded=1;whiteSpace=wrap;html=1;fontSize=10;" parent="1" vertex="1">
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<mxCell id="w4FkYv5Shg38tEnAdtc6-314" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;exitX=0.5;exitY=1;exitDx=0;exitDy=0;entryX=0.5;entryY=0;entryDx=0;entryDy=0;fillColor=#d5e8d4;strokeColor=#82b366;" parent="1" source="w4FkYv5Shg38tEnAdtc6-313" target="w4FkYv5Shg38tEnAdtc6-16" edge="1">
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<mxCell id="w4FkYv5Shg38tEnAdtc6-313" value="<div><b><font color="#007fff">FactoryBean 创建 Bean实例</font></b></div><div><b><font color="#007fff">原理主要就是这块</font></b></div>" style="text;html=1;strokeColor=none;fillColor=none;align=center;verticalAlign=middle;whiteSpace=wrap;rounded=0;" parent="1" vertex="1">
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<mxCell id="w4FkYv5Shg38tEnAdtc6-316" value="<font color="#007fff" style="font-size: 9px;">即Bean正在创建<br>且允许提前暴露<br></font>" style="text;html=1;align=center;verticalAlign=middle;resizable=0;points=[];autosize=1;strokeColor=none;fillColor=none;" parent="1" vertex="1">
<mxGeometry x="1545" y="400" width="90" height="40" as="geometry" />
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<mxCell id="w4FkYv5Shg38tEnAdtc6-318" value="<font color="#ea6b66">TODO&nbsp;<br>这里getDependsOn() 并不是所想的成员字段依赖</font>" style="text;html=1;align=left;verticalAlign=middle;resizable=0;points=[];autosize=1;strokeColor=none;fillColor=none;" parent="1" vertex="1">
<mxGeometry x="1085" y="1111" width="280" height="40" as="geometry" />
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<mxCell id="w4FkYv5Shg38tEnAdtc6-324" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;fontSize=10;fontColor=#007FFF;strokeColor=#000000;" parent="1" source="w4FkYv5Shg38tEnAdtc6-325" target="w4FkYv5Shg38tEnAdtc6-330" edge="1">
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<mxCell id="w4FkYv5Shg38tEnAdtc6-435" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;exitX=0.5;exitY=1;exitDx=0;exitDy=0;entryX=0.5;entryY=0;entryDx=0;entryDy=0;" parent="1" source="w4FkYv5Shg38tEnAdtc6-325" target="w4FkYv5Shg38tEnAdtc6-327" edge="1">
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<mxCell id="w4FkYv5Shg38tEnAdtc6-325" value="<font style=""><font style="font-size: 10px;">Object bean = <b>resolveBeforeInstantiation</b>(<br>beanName, mbdToUse);<br></font>if (bean != null) return bean;<br><font style="font-size: 10px;" color="#007fff">执行初始化前的后置处理器，</font><font color="#007fff">这一步可能创建代理Bean, 然后中断后续的创建流程</font><br></font>" style="rounded=1;whiteSpace=wrap;html=1;fontSize=10;align=center;arcSize=12;" parent="1" vertex="1">
<mxGeometry x="1840" y="1441" width="200" height="60" as="geometry" />
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<mxCell id="w4FkYv5Shg38tEnAdtc6-326" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;fontSize=10;fontColor=#007FFF;strokeColor=#000000;" parent="1" source="w4FkYv5Shg38tEnAdtc6-327" target="w4FkYv5Shg38tEnAdtc6-342" edge="1">
<mxGeometry relative="1" as="geometry" />
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<mxCell id="w4FkYv5Shg38tEnAdtc6-327" value="<font>Object <b>beanInstance</b> = <b>doCreateBean</b>(<br>beanName, mbdToUse, args);<br>return <b>beanInstance</b>;<br></font>" style="rounded=1;whiteSpace=wrap;html=1;fontSize=10;align=center;arcSize=12;fillColor=#ffe6cc;strokeColor=#d79b00;" parent="1" vertex="1">
<mxGeometry x="1840" y="1680" width="200" height="60" as="geometry" />
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<mxCell id="w4FkYv5Shg38tEnAdtc6-328" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;fontSize=10;fontColor=#007FFF;strokeColor=#000000;" parent="1" source="w4FkYv5Shg38tEnAdtc6-330" target="w4FkYv5Shg38tEnAdtc6-332" edge="1">
<mxGeometry relative="1" as="geometry" />
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<mxCell id="w4FkYv5Shg38tEnAdtc6-329" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;fontSize=10;fontColor=#007FFF;strokeColor=#000000;" parent="1" source="w4FkYv5Shg38tEnAdtc6-330" target="w4FkYv5Shg38tEnAdtc6-333" edge="1">
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<mxCell id="w4FkYv5Shg38tEnAdtc6-330" value="<font style="font-size: 9px;">bean = applyBeanPostProcessorsBeforeInstantiation(<br>targetType, beanName)<br><font color="#007fff">这一步可能创建代理Bean，实际使用场景？</font><br></font>" style="rounded=1;whiteSpace=wrap;html=1;fontSize=10;align=center;arcSize=12;" parent="1" vertex="1">
<mxGeometry x="2080" y="1441" width="200" height="60" as="geometry" />
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<mxCell id="w4FkYv5Shg38tEnAdtc6-331" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;fontSize=10;fontColor=#007FFF;strokeColor=#000000;" parent="1" source="w4FkYv5Shg38tEnAdtc6-332" target="w4FkYv5Shg38tEnAdtc6-335" edge="1">
<mxGeometry relative="1" as="geometry" />
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<mxCell id="w4FkYv5Shg38tEnAdtc6-438" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;" parent="1" source="w4FkYv5Shg38tEnAdtc6-332" target="w4FkYv5Shg38tEnAdtc6-437" edge="1">
<mxGeometry relative="1" as="geometry" />
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<mxCell id="w4FkYv5Shg38tEnAdtc6-332" value="<font>if (bean != null):&nbsp;<br>bean = applyBeanPostProcessorsAfterInitialization(<br>bean, beanName);<br></font>" style="rounded=1;whiteSpace=wrap;html=1;fontSize=10;align=center;arcSize=12;" parent="1" vertex="1">
<mxGeometry x="2080" y="1520" width="200" height="50" as="geometry" />
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<mxCell id="w4FkYv5Shg38tEnAdtc6-333" value="<font style="font-size: 10px"><font style="font-size: 10px">执行所有<b>InstantiationAwareBeanPostProcessor</b>类型后置处理器的&nbsp;<b>postProcessBeforeInstantiation</b>(<br>beanClass, beanName) 方法</font><br></font>" style="rounded=1;whiteSpace=wrap;html=1;fontSize=10;align=center;arcSize=12;fillColor=#e1d5e7;strokeColor=#9673a6;" parent="1" vertex="1">
<mxGeometry x="2320" y="1441" width="200" height="60" as="geometry" />
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<mxCell id="w4FkYv5Shg38tEnAdtc6-334" value="<div>instantiationAware = {ArrayList@1972}&nbsp; size = 3</div><div>&nbsp;0 = {ConfigurationClassPostProcessor$ImportAwareBeanPostProcessor@1955}&nbsp;</div><div>&nbsp;1 = {CommonAnnotationBeanPostProcessor@1847}&nbsp;</div><div>&nbsp;2 = {AutowiredAnnotationBeanPostProcessor@1979}&nbsp;</div><div>但是这几个后置处理器的&nbsp;postProcessBeforeInstantiation() 都是null</div><div><br></div><div><div>以下是 InstantiationAwareBeanPostProcessor 接口的主要方法：</div><div>postProcessBeforeInstantiation: 在 bean 实例化之前调用，允许在实例化之前返回一个代理对象或者完全绕过实例化过程。</div><div>postProcessAfterInstantiation: 在 bean 实例化之后调用，允许对实例进行定制，例如为特定的字段设置默认值。</div><div>postProcessPropertyValues: 在设置 bean 属性之前调用，允许对属性值进行进一步的处理。</div><div>postProcessBeforeInitialization: 在调用 bean 的初始化方法之前调用，允许在初始化方法之前执行自定义逻辑。</div><div>postProcessAfterInitialization: 在调用 bean 的初始化方法之后调用，允许在初始化方法之后执行自定义逻辑。</div></div>" style="text;html=1;align=left;verticalAlign=middle;resizable=0;points=[];autosize=1;strokeColor=none;fillColor=none;fontSize=10;fontColor=#007FFF;" parent="1" vertex="1">
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<mxCell id="w4FkYv5Shg38tEnAdtc6-335" value="<font>执行所有后置处理器的<br><b>postProcessAfterInitialization</b>(result, beanName)<br>方法<br></font>" style="rounded=1;whiteSpace=wrap;html=1;fontSize=10;align=center;arcSize=12;fillColor=#e1d5e7;strokeColor=#9673a6;" parent="1" vertex="1">
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<mxCell id="w4FkYv5Shg38tEnAdtc6-337" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;exitX=1;exitY=0.5;exitDx=0;exitDy=0;entryX=0;entryY=0.5;entryDx=0;entryDy=0;fontSize=9;fontColor=#007FFF;strokeColor=#000000;" parent="1" source="w4FkYv5Shg38tEnAdtc6-342" target="w4FkYv5Shg38tEnAdtc6-345" edge="1">
<mxGeometry relative="1" as="geometry" />
</mxCell>
<mxCell id="w4FkYv5Shg38tEnAdtc6-338" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;exitX=1;exitY=0.5;exitDx=0;exitDy=0;entryX=0;entryY=0.5;entryDx=0;entryDy=0;fontSize=9;fontColor=#007FFF;strokeColor=#000000;" parent="1" source="w4FkYv5Shg38tEnAdtc6-342" target="w4FkYv5Shg38tEnAdtc6-346" edge="1">
<mxGeometry relative="1" as="geometry" />
</mxCell>
<mxCell id="w4FkYv5Shg38tEnAdtc6-339" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;exitX=1;exitY=0.5;exitDx=0;exitDy=0;entryX=0;entryY=0.5;entryDx=0;entryDy=0;fontSize=9;fontColor=#007FFF;strokeColor=#000000;" parent="1" source="w4FkYv5Shg38tEnAdtc6-342" target="w4FkYv5Shg38tEnAdtc6-348" edge="1">
<mxGeometry relative="1" as="geometry" />
</mxCell>
<mxCell id="w4FkYv5Shg38tEnAdtc6-340" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;exitX=1;exitY=0.5;exitDx=0;exitDy=0;entryX=0;entryY=0.5;entryDx=0;entryDy=0;fontSize=9;fontColor=#007FFF;strokeColor=#000000;" parent="1" source="w4FkYv5Shg38tEnAdtc6-342" target="w4FkYv5Shg38tEnAdtc6-343" edge="1">
<mxGeometry relative="1" as="geometry" />
</mxCell>
<mxCell id="w4FkYv5Shg38tEnAdtc6-443" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;exitX=0.5;exitY=1;exitDx=0;exitDy=0;entryX=0.5;entryY=0;entryDx=0;entryDy=0;" parent="1" source="w4FkYv5Shg38tEnAdtc6-342" target="w4FkYv5Shg38tEnAdtc6-442" edge="1">
<mxGeometry relative="1" as="geometry" />
</mxCell>
<mxCell id="w4FkYv5Shg38tEnAdtc6-342" value="<font><font size="1">instanceWrapper = <b>createBeanInstance</b>(<br>beanName, mbd, args);<br><font color="#007fff">这一步实现<b>Bean的实例化</b></font><br></font><font color="#007fff">根据BeanDefinition配置有５种获取Bean实例的方式, 从上到下优先级依次降低</font><br></font>" style="rounded=1;whiteSpace=wrap;html=1;fontSize=10;align=center;arcSize=12;fillColor=#fff2cc;strokeColor=#d6b656;" parent="1" vertex="1">
<mxGeometry x="2080" y="1680" width="200" height="60" as="geometry" />
</mxCell>
<mxCell id="w4FkYv5Shg38tEnAdtc6-343" value="<font><font size="1">return obtainFromSupplier(instanceSupplier, beanName)<br></font><font color="#007fff">TODO</font><br></font>" style="rounded=1;whiteSpace=wrap;html=1;fontSize=10;align=center;arcSize=12;" parent="1" vertex="1">
<mxGeometry x="2320" y="1680" width="200" height="60" as="geometry" />
</mxCell>
<mxCell id="w4FkYv5Shg38tEnAdtc6-344" value="<font><font size="1">return instantiateUsingFactoryMethod(beanName, mbd, args)<br></font><font color="#007fff">TODO</font><br></font>" style="rounded=1;whiteSpace=wrap;html=1;fontSize=10;align=center;arcSize=12;" parent="1" vertex="1">
<mxGeometry x="2320" y="1760" width="200" height="60" as="geometry" />
</mxCell>
<mxCell id="w4FkYv5Shg38tEnAdtc6-345" value="<font><font size="1">return autowireConstructor(beanName, mbd, null, null)<br></font><font color="#007fff">TODO</font><br></font>" style="rounded=1;whiteSpace=wrap;html=1;fontSize=10;align=center;arcSize=12;" parent="1" vertex="1">
<mxGeometry x="2320" y="1840" width="200" height="60" as="geometry" />
</mxCell>
<mxCell id="w4FkYv5Shg38tEnAdtc6-346" value="<font><font size="1">return autowireConstructor(beanName, mbd, ctors, args);<br></font><font color="#007fff">TODO</font><br></font>" style="rounded=1;whiteSpace=wrap;html=1;fontSize=10;align=center;arcSize=12;" parent="1" vertex="1">
<mxGeometry x="2320" y="1920" width="200" height="60" as="geometry" />
</mxCell>
<mxCell id="w4FkYv5Shg38tEnAdtc6-347" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;fontSize=9;fontColor=#007FFF;strokeColor=#000000;" parent="1" source="w4FkYv5Shg38tEnAdtc6-348" target="w4FkYv5Shg38tEnAdtc6-352" edge="1">
<mxGeometry relative="1" as="geometry" />
</mxCell>
<mxCell id="w4FkYv5Shg38tEnAdtc6-348" value="<font><font size="1">return instantiateBean(beanName, mbd);</font><br></font>" style="rounded=1;whiteSpace=wrap;html=1;fontSize=10;align=center;arcSize=12;fillColor=#dae8fc;strokeColor=#6c8ebf;" parent="1" vertex="1">
<mxGeometry x="2320" y="2000" width="200" height="60" as="geometry" />
</mxCell>
<mxCell id="w4FkYv5Shg38tEnAdtc6-349" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;fontSize=9;fontColor=#007FFF;strokeColor=#000000;" parent="1" source="w4FkYv5Shg38tEnAdtc6-352" target="w4FkYv5Shg38tEnAdtc6-353" edge="1">
<mxGeometry relative="1" as="geometry" />
</mxCell>
<mxCell id="w4FkYv5Shg38tEnAdtc6-350" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;fontSize=9;fontColor=#007FFF;strokeColor=#000000;" parent="1" source="w4FkYv5Shg38tEnAdtc6-352" target="w4FkYv5Shg38tEnAdtc6-355" edge="1">
<mxGeometry relative="1" as="geometry" />
</mxCell>
<mxCell id="w4FkYv5Shg38tEnAdtc6-351" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;exitX=1;exitY=0.5;exitDx=0;exitDy=0;entryX=0;entryY=0.5;entryDx=0;entryDy=0;fontSize=9;fontColor=#007FFF;strokeColor=#000000;" parent="1" source="w4FkYv5Shg38tEnAdtc6-352" target="w4FkYv5Shg38tEnAdtc6-356" edge="1">
<mxGeometry relative="1" as="geometry" />
</mxCell>
<mxCell id="w4FkYv5Shg38tEnAdtc6-352" value="<font><font size="1">beanInstance = getInstantiationStrategy().<b>instantiate</b>(<br>mbd, beanName, parent);<br></font><font color="#007fff">默认的实例化策略是CglibSubclassingInstantiationStrategy</font><br></font>" style="rounded=1;whiteSpace=wrap;html=1;fontSize=10;align=center;arcSize=12;" parent="1" vertex="1">
<mxGeometry x="2560" y="2000" width="200" height="60" as="geometry" />
</mxCell>
<mxCell id="w4FkYv5Shg38tEnAdtc6-353" value="<font size="1"><div>BeanWrapper bw = new BeanWrapperImpl(beanInstance);</div><div><span>			</span>initBeanWrapper(bw);<br><font color="#007fff">包装了类型转换器，属性编辑器等等</font></div></font>" style="rounded=1;whiteSpace=wrap;html=1;fontSize=10;align=center;arcSize=12;" parent="1" vertex="1">
<mxGeometry x="2560" y="2080" width="200" height="51" as="geometry" />
</mxCell>
<mxCell id="w4FkYv5Shg38tEnAdtc6-355" value="<font style="font-size: 9px;"><font style="font-size: 9px;">final Class&lt;?&gt; <b>clazz</b> = bd.getBeanClass();<br><b>constructorToUse</b> = clazz.getDeclaredConstructor();<br>BeanUtils.<b>instantiateClass</b>(constructorToUse)<br></font><font style="font-size: 9px;" color="#007fff">通过反射调用构造方法创建</font><br></font>" style="rounded=1;whiteSpace=wrap;html=1;fontSize=10;align=center;arcSize=12;fillColor=#fff2cc;strokeColor=#d6b656;" parent="1" vertex="1">
<mxGeometry x="2800" y="2000" width="200" height="60" as="geometry" />
</mxCell>
<mxCell id="w4FkYv5Shg38tEnAdtc6-356" value="<font style="font-size: 9px;"><font size="1">instantiateWithMethodInjection(bd, beanName, owner)<br></font><font style="font-size: 9px;" color="#007fff"><span style="">如果Bean定义有使用方法注入</span><span style="">，通过CGLib创建代理对象</span></font><br></font>" style="rounded=1;whiteSpace=wrap;html=1;fontSize=10;align=center;arcSize=12;fillColor=#fff2cc;strokeColor=#d6b656;" parent="1" vertex="1">
<mxGeometry x="2800" y="2080" width="200" height="51" as="geometry" />
</mxCell>
<mxCell id="w4FkYv5Shg38tEnAdtc6-357" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;fontSize=9;fontColor=#007FFF;strokeColor=#000000;" parent="1" source="w4FkYv5Shg38tEnAdtc6-358" target="w4FkYv5Shg38tEnAdtc6-361" edge="1">
<mxGeometry relative="1" as="geometry" />
</mxCell>
<mxCell id="w4FkYv5Shg38tEnAdtc6-454" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;" parent="1" source="w4FkYv5Shg38tEnAdtc6-358" target="w4FkYv5Shg38tEnAdtc6-453" edge="1">
<mxGeometry relative="1" as="geometry" />
</mxCell>
<mxCell id="w4FkYv5Shg38tEnAdtc6-358" value="<font style="font-size: 9px;"><font style="font-size: 9px;">if (earlySingletonExposure)<br style="font-size: 9px;"></font><b style="font-size: 9px;">addSingletonFactory</b><font style="font-size: 9px;">(beanName, () -&gt; <b style="font-size: 9px;">getEarlyBeanReference</b>(beanName, mbd, bean));<br style="font-size: 9px;"></font><font color="#007fff" style="font-size: 9px;">Bean实例化后将单例工厂加入<b style="font-size: 9px;">singletonFactories</b><br style="font-size: 9px;"><font style="font-size: 9px;">earlySingletonExposure为true表示要提前暴露已经实例化的Bean</font></font><br style="font-size: 9px;"></font>" style="rounded=1;whiteSpace=wrap;html=1;fontSize=9;align=center;arcSize=12;fillColor=#fff2cc;strokeColor=#d6b656;" parent="1" vertex="1">
<mxGeometry x="2070" y="2160" width="220" height="80" as="geometry" />
</mxCell>
<mxCell id="w4FkYv5Shg38tEnAdtc6-359" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;fontSize=9;fontColor=#007FFF;strokeColor=#000000;" parent="1" source="w4FkYv5Shg38tEnAdtc6-361" target="w4FkYv5Shg38tEnAdtc6-364" edge="1">
<mxGeometry relative="1" as="geometry" />
</mxCell>
<mxCell id="w4FkYv5Shg38tEnAdtc6-360" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;fontSize=9;fontColor=#007FFF;strokeColor=#000000;" parent="1" source="w4FkYv5Shg38tEnAdtc6-361" target="w4FkYv5Shg38tEnAdtc6-372" edge="1">
<mxGeometry relative="1" as="geometry" />
</mxCell>
<mxCell id="w4FkYv5Shg38tEnAdtc6-361" value="<font><font size="1">Object exposedObject = bean;<br></font><b>populateBean</b>(beanName, mbd, instanceWrapper);<br><font color="#007fff"><b>属性填充</b>：依赖注入、PropertyValues</font><br></font>" style="rounded=1;whiteSpace=wrap;html=1;fontSize=10;align=center;arcSize=12;fillColor=#fff2cc;strokeColor=#d6b656;" parent="1" vertex="1">
<mxGeometry x="2080" y="2280" width="200" height="60" as="geometry" />
</mxCell>
<mxCell id="w4FkYv5Shg38tEnAdtc6-362" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;fontSize=9;fontColor=#007FFF;strokeColor=#000000;" parent="1" source="w4FkYv5Shg38tEnAdtc6-364" target="w4FkYv5Shg38tEnAdtc6-465" edge="1">
<mxGeometry relative="1" as="geometry">
<mxPoint x="2180" y="3360" as="targetPoint" />
</mxGeometry>
</mxCell>
<mxCell id="w4FkYv5Shg38tEnAdtc6-363" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;fontSize=9;fontColor=#007FFF;strokeColor=#000000;" parent="1" source="w4FkYv5Shg38tEnAdtc6-364" target="w4FkYv5Shg38tEnAdtc6-386" edge="1">
<mxGeometry relative="1" as="geometry" />
</mxCell>
<mxCell id="w4FkYv5Shg38tEnAdtc6-364" value="<font><font size="1">exposedObject = <b>initializeBean</b>(beanName, exposedObject, mbd)<br></font><font color="#007fff"><b>执行初始化方法等等</b></font><br></font>" style="rounded=1;whiteSpace=wrap;html=1;fontSize=10;align=center;arcSize=12;fillColor=#fff2cc;strokeColor=#d6b656;" parent="1" vertex="1">
<mxGeometry x="2080" y="2880" width="200" height="60" as="geometry" />
</mxCell>
<mxCell id="w4FkYv5Shg38tEnAdtc6-365" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;fontSize=9;fontColor=#007FFF;strokeColor=#000000;exitX=0.5;exitY=1;exitDx=0;exitDy=0;" parent="1" source="w4FkYv5Shg38tEnAdtc6-465" target="w4FkYv5Shg38tEnAdtc6-369" edge="1">
<mxGeometry relative="1" as="geometry">
<mxPoint x="2180" y="3540" as="sourcePoint" />
</mxGeometry>
</mxCell>
<mxCell id="w4FkYv5Shg38tEnAdtc6-367" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;fontSize=9;fontColor=#007FFF;strokeColor=#000000;" parent="1" source="w4FkYv5Shg38tEnAdtc6-369" target="w4FkYv5Shg38tEnAdtc6-370" edge="1">
<mxGeometry relative="1" as="geometry" />
</mxCell>
<mxCell id="w4FkYv5Shg38tEnAdtc6-368" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;fontSize=9;fontColor=#007FFF;" parent="1" source="w4FkYv5Shg38tEnAdtc6-369" target="w4FkYv5Shg38tEnAdtc6-409" edge="1">
<mxGeometry relative="1" as="geometry" />
</mxCell>
<mxCell id="w4FkYv5Shg38tEnAdtc6-369" value="<font><font size="1">registerDisposableBeanIfNecessary(<br>beanName, bean, mbd);<br></font><font color="#007fff"><span style="font-size: 8px">有些Bean销毁时需要执行销毁方法</span><br><span style="font-size: 8px">释放资源,这里将要执行销毁方法的Bean注册到disposableBeans Map容器</span></font><br></font>" style="rounded=1;whiteSpace=wrap;html=1;fontSize=10;align=center;arcSize=12;fillColor=#dae8fc;strokeColor=#6c8ebf;" parent="1" vertex="1">
<mxGeometry x="2080" y="3700" width="200" height="60" as="geometry" />
</mxCell>
<mxCell id="w4FkYv5Shg38tEnAdtc6-370" value="<font><font size="1">return exposedObject;</font><br></font>" style="rounded=1;whiteSpace=wrap;html=1;fontSize=10;align=center;arcSize=12;" parent="1" vertex="1">
<mxGeometry x="2080" y="4020" width="200" height="60" as="geometry" />
</mxCell>
<mxCell id="w4FkYv5Shg38tEnAdtc6-460" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;exitX=0.5;exitY=1;exitDx=0;exitDy=0;entryX=0.5;entryY=0;entryDx=0;entryDy=0;" parent="1" source="w4FkYv5Shg38tEnAdtc6-372" target="w4FkYv5Shg38tEnAdtc6-456" edge="1">
<mxGeometry relative="1" as="geometry" />
</mxCell>
<mxCell id="w4FkYv5Shg38tEnAdtc6-372" value="<font style="font-size: 9px;"><font style="font-size: 9px;">先执行所有<b>InstantiationAwareBeanPostProcessor</b>类型后置处理器的<b>postProcessAfterInstantiation</b>()<br></font><font style="font-size: 9px;" color="#007fff">内置的后置处理器此方法里面啥都没做，留给子类拓展</font><br></font>" style="rounded=1;whiteSpace=wrap;html=1;fontSize=10;align=center;arcSize=12;fillColor=#e1d5e7;strokeColor=#9673a6;" parent="1" vertex="1">
<mxGeometry x="2320" y="2280" width="200" height="60" as="geometry" />
</mxCell>
<mxCell id="w4FkYv5Shg38tEnAdtc6-377" value="<font><font size="1">autowireByName(beanName, mbd, bw, newPvs)</font><br></font>" style="rounded=1;whiteSpace=wrap;html=1;fontSize=10;align=center;arcSize=12;" parent="1" vertex="1">
<mxGeometry x="2560" y="2320" width="200" height="60" as="geometry" />
</mxCell>
<mxCell id="w4FkYv5Shg38tEnAdtc6-378" value="<font><font size="1">autowireByType(beanName, mbd, bw, newPvs)</font><br></font>" style="rounded=1;whiteSpace=wrap;html=1;fontSize=10;align=center;arcSize=12;" parent="1" vertex="1">
<mxGeometry x="2560" y="2400" width="200" height="60" as="geometry" />
</mxCell>
<mxCell id="w4FkYv5Shg38tEnAdtc6-381" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;fontSize=9;fontColor=#007FFF;strokeColor=#000000;" parent="1" source="w4FkYv5Shg38tEnAdtc6-382" target="w4FkYv5Shg38tEnAdtc6-383" edge="1">
<mxGeometry relative="1" as="geometry" />
</mxCell>
<mxCell id="w4FkYv5Shg38tEnAdtc6-382" value="<font size="1"><div>if (pvs != null)&nbsp;</div><div>&nbsp; &nbsp; applyPropertyValues(</div><div>beanName, mbd, bw, pvs);</div></font>" style="rounded=1;whiteSpace=wrap;html=1;fontSize=10;align=center;arcSize=12;fillColor=#dae8fc;strokeColor=#6c8ebf;" parent="1" vertex="1">
<mxGeometry x="2320" y="2800" width="200" height="60" as="geometry" />
</mxCell>
<mxCell id="w4FkYv5Shg38tEnAdtc6-383" value="<font size="1">bw.setPropertyValues(new MutablePropertyValues(deepCopy));<br></font>" style="rounded=1;whiteSpace=wrap;html=1;fontSize=10;align=center;arcSize=12;fillColor=#dae8fc;strokeColor=#6c8ebf;" parent="1" vertex="1">
<mxGeometry x="2560" y="2800" width="200" height="60" as="geometry" />
</mxCell>
<mxCell id="w4FkYv5Shg38tEnAdtc6-384" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;fontSize=9;fontColor=#007FFF;strokeColor=#000000;" parent="1" source="w4FkYv5Shg38tEnAdtc6-386" target="w4FkYv5Shg38tEnAdtc6-389" edge="1">
<mxGeometry relative="1" as="geometry" />
</mxCell>
<mxCell id="w4FkYv5Shg38tEnAdtc6-385" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;fontSize=9;fontColor=#007FFF;strokeColor=#000000;" parent="1" source="w4FkYv5Shg38tEnAdtc6-386" target="w4FkYv5Shg38tEnAdtc6-393" edge="1">
<mxGeometry relative="1" as="geometry" />
</mxCell>
<mxCell id="w4FkYv5Shg38tEnAdtc6-463" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;exitX=1;exitY=0.5;exitDx=0;exitDy=0;entryX=0;entryY=0.5;entryDx=0;entryDy=0;" parent="1" source="w4FkYv5Shg38tEnAdtc6-386" target="w4FkYv5Shg38tEnAdtc6-395" edge="1">
<mxGeometry relative="1" as="geometry" />
</mxCell>
<mxCell id="w4FkYv5Shg38tEnAdtc6-464" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;exitX=1;exitY=0.5;exitDx=0;exitDy=0;entryX=0;entryY=0.5;entryDx=0;entryDy=0;" parent="1" source="w4FkYv5Shg38tEnAdtc6-386" target="w4FkYv5Shg38tEnAdtc6-396" edge="1">
<mxGeometry relative="1" as="geometry" />
</mxCell>
<mxCell id="w4FkYv5Shg38tEnAdtc6-386" value="<font><font size="1">invokeAwareMethods(beanName, bean)<br></font><font color="#007fff">如果Bean有实现Aware及其子类接口则执行这些接口方法</font><br></font>" style="rounded=1;whiteSpace=wrap;html=1;fontSize=10;align=center;arcSize=12;fillColor=#dae8fc;strokeColor=#6c8ebf;" parent="1" vertex="1">
<mxGeometry x="2320" y="2880" width="200" height="60" as="geometry" />
</mxCell>
<mxCell id="w4FkYv5Shg38tEnAdtc6-387" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;fontSize=9;fontColor=#007FFF;strokeColor=#000000;" parent="1" source="w4FkYv5Shg38tEnAdtc6-389" target="w4FkYv5Shg38tEnAdtc6-399" edge="1">
<mxGeometry relative="1" as="geometry" />
</mxCell>
<mxCell id="w4FkYv5Shg38tEnAdtc6-388" value="" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;fontSize=9;fontColor=#007FFF;strokeColor=#000000;" parent="1" source="w4FkYv5Shg38tEnAdtc6-389" target="w4FkYv5Shg38tEnAdtc6-401" edge="1">
<mxGeometry relative="1" as="geometry" />
</mxCell>
<mxCell id="EGC6r06OrjkvjnBetFEn-4" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;exitX=1;exitY=0.5;exitDx=0;exitDy=0;entryX=0;entryY=0.5;entryDx=0;entryDy=0;" parent="1" source="w4FkYv5Shg38tEnAdtc6-389" target="EGC6r06OrjkvjnBetFEn-3" edge="1">
<mxGeometry relative="1" as="geometry" />
</mxCell>
<mxCell id="w4FkYv5Shg38tEnAdtc6-389" value="<font><font size="1">执行所有<b>BeanPostProcessor</b>类型后置处理器的<b>postProcessBeforeInitialization</b>() 方法</font><br></font>" style="rounded=1;whiteSpace=wrap;html=1;fontSize=10;align=center;arcSize=12;fillColor=#e1d5e7;strokeColor=#9673a6;" parent="1" vertex="1">
<mxGeometry x="2320" y="3080" width="200" height="60" as="geometry" />
</mxCell>
<mxCell id="w4FkYv5Shg38tEnAdtc6-391" value="＠PropertySource" style="text;html=1;align=center;verticalAlign=middle;resizable=0;points=[];autosize=1;strokeColor=none;fillColor=none;fontSize=9;fontColor=#007FFF;" parent="1" vertex="1">
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<mxCell id="w4FkYv5Shg38tEnAdtc6-405" value="<font style="font-size: 9px;"><font style="font-size: 9px;">String initMethodName = mbd.getInitMethodName();<br style="font-size: 9px;"></font><b>invokeCustomInitMethod</b>(beanName, bean, mbd);<br style="font-size: 9px;"><font color="#007fff" style="font-size: 9px;">若通过XML或注解指定了init-method方法，就执行指定的方法</font><br style="font-size: 9px;"></font>" style="rounded=1;whiteSpace=wrap;html=1;fontSize=9;align=center;arcSize=12;fillColor=#dae8fc;strokeColor=#6c8ebf;" parent="1" vertex="1">
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<mxCell id="w4FkYv5Shg38tEnAdtc6-406" value="<font><font size="1">执行所有<b>BeanPostProcessor</b>类型后置处理器的<b>postProcessAfterInitialization</b>()</font><br></font>" style="rounded=1;whiteSpace=wrap;html=1;fontSize=10;align=center;arcSize=12;fillColor=#e1d5e7;strokeColor=#9673a6;" parent="1" vertex="1">
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<mxCell id="w4FkYv5Shg38tEnAdtc6-410" value="<font color="#000000"><b>requiresDestruction</b>：<br>1) DisposableBeanAdapter.hasDestroyMethod(bean, mbd)</font><br>是DisposableBean的实例；<br>是AutoCloseable的实例；<br>Bean定义中拥有<b>destroyMethod</b>方法（destoryMethodName不为空）；<br><br><font color="#000000">2)&nbsp;<span>hasDestructionAwareBeanPostProcessors() &amp;&amp;</span></font><div><font color="#000000"><span>						</span>DisposableBeanAdapter.hasApplicableProcessors(bean, getBeanPostProcessors())</font></div><div>BeanFactory有注册DestructionAwareBeanPostProcessor；</div><div>且</div><div>注册的DestructionAwareBeanPostProcessor中有适用于当前Bean的后置处理器（通过 requiresDestruction() 返回值一一判断是否有适用的）</div>" style="text;html=1;strokeColor=none;fillColor=none;align=left;verticalAlign=top;whiteSpace=wrap;rounded=0;fontSize=9;fontColor=#007FFF;" parent="1" vertex="1">
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<mxCell id="w4FkYv5Shg38tEnAdtc6-411" value="<font color="#007fff">Y</font>" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;fontSize=9;fontColor=#000000;" parent="1" source="w4FkYv5Shg38tEnAdtc6-413" target="w4FkYv5Shg38tEnAdtc6-415" edge="1">
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<mxCell id="w4FkYv5Shg38tEnAdtc6-412" value="<font color="#007fff">N</font>" style="edgeStyle=orthogonalEdgeStyle;rounded=1;orthogonalLoop=1;jettySize=auto;html=1;exitX=0.5;exitY=1;exitDx=0;exitDy=0;entryX=0;entryY=0.5;entryDx=0;entryDy=0;fontSize=9;fontColor=#000000;" parent="1" source="w4FkYv5Shg38tEnAdtc6-413" target="w4FkYv5Shg38tEnAdtc6-416" edge="1">
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<mxCell id="w4FkYv5Shg38tEnAdtc6-417" value="this.<b>disposableBeans</b>.put(<br>beanName, bean)<br><font color="#007fff">这里的bean是&nbsp;<b>DisposableBeanAdapter</b> 类型</font>" style="whiteSpace=wrap;html=1;fontSize=10;rounded=1;arcSize=12;fillColor=#dae8fc;strokeColor=#6c8ebf;" parent="1" vertex="1">
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<mxCell id="w4FkYv5Shg38tEnAdtc6-418" value="disposableBeans并不是单指实现了<br>DisposableBean接口的Bean,<br>满足前面条件的Bean都会存到这个Map中" style="text;html=1;align=left;verticalAlign=middle;resizable=0;points=[];autosize=1;strokeColor=none;fillColor=none;fontSize=9;fontColor=#007FFF;" parent="1" vertex="1">
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<mxCell id="w4FkYv5Shg38tEnAdtc6-436" value="<font style="font-size: 10px;" color="#007fff">DEMO这一步并不会创建Bean</font>" style="text;html=1;align=center;verticalAlign=middle;resizable=0;points=[];autosize=1;strokeColor=none;fillColor=none;" parent="1" vertex="1">
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<mxCell id="w4FkYv5Shg38tEnAdtc6-446" value="<font style="font-size: 9px;"><b>beforeSingletonCreation</b>(beanName);<br><font color="#007fff">即主要记录名为 beanName 的Bean正在被创建</font><br></font>" style="rounded=1;whiteSpace=wrap;html=1;fontSize=10;align=center;arcSize=8;" parent="1" vertex="1">
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<mxCell id="w4FkYv5Shg38tEnAdtc6-447" value="<font style="font-size: 9px;"><b>afterSingletonCreation</b>(beanName);<br><font color="#007fff">和beforeSingletonCreation相反，清除beanName的Bean正在创建的记录</font><br></font>" style="rounded=1;whiteSpace=wrap;html=1;fontSize=10;align=center;arcSize=8;" parent="1" vertex="1">
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<mxCell id="w4FkYv5Shg38tEnAdtc6-450" value="<font style="font-size: 8px;"><font style="font-size: 8px;">if (!this.inCreationCheckExclusions.contains(beanName) <br>&amp;&amp; !this.<b>singletonsCurrentlyInCreation</b>.add(beanName))<br></font>&nbsp; &nbsp;&nbsp;throw new BeanCurrentlyInCreationException(beanName);<br><font color="#007fff">实例化Bean前会将beanName记录到&nbsp;<b>singletonsCurrentlyInCreation</b></font><br></font>" style="rounded=1;whiteSpace=wrap;html=1;fontSize=10;align=left;arcSize=8;fillColor=#fff2cc;strokeColor=#d6b656;" parent="1" vertex="1">
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<mxCell id="w4FkYv5Shg38tEnAdtc6-453" value="<font style="font-size: 9px;"><div style="">synchronized (this.singletonObjects) {</div><div style="">&nbsp; &nbsp; if (!this.singletonObjects.containsKey(beanName))&nbsp; {</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; this.<b>singletonFactories</b>.<b>put</b>(beanName, singletonFactory);</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; this.<b>earlySingletonObjects</b>.<b>remove</b>(beanName);</div><div style="">&nbsp; &nbsp; &nbsp; &nbsp; this.<b>registeredSingletons</b>.<b>add</b>(beanName);</div><div style="">&nbsp; &nbsp; }</div><div style="">}</div></font>" style="rounded=1;whiteSpace=wrap;html=1;fontSize=10;align=left;arcSize=4;fillColor=#fff2cc;strokeColor=#d6b656;" parent="1" vertex="1">
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