aliasregistry：定義了對別名的簡單增刪改操作
public inte***ce aliasregistrypublic
class
******aliasregistry
implements
aliasregistry
...}
public
inte***ce singletonbeanregistry
public
class
defaultsingletonbeanregistry
extends
******aliasregistry
implements
singletonbeanregistry else }}
//往singletonobjects裡面增加單例
protected
void
addsingleton(string beanname, object singletonobject)
}//增加物件工廠（工廠bean）
protected
void
addsingletonfactory(string beanname, objectfactory<?> singletonfactory) }}
//獲取單例，
public object getsingleton(string beanname)
//先從儲存bean對map中獲取，沒有獲取到，則從快取objectfactory獲取的bean的map中獲取，沒有獲取到，則從工廠bean獲取
protected object getsingleton(string beanname, boolean allowearlyreference) }}
}return singletonobject != null_object?singletonobject:null;
}}
把bean增加到singletonobjects中，從singletonfactories中移除，從earlysingletonobjects中移除，再儲存到registeredsingletons中。
beanfactory：bean的獲取和bean的各種屬性
public
inte***ce
beanfactory
public
inte***ce
hierarchicalbeanfactory
extends
beanfactory
public
inte***ce
beandefinitionregistry
extends
aliasregistry
public
abstract
class
factorybeanregistrysupport
extends
defaultsingletonbeanregistry
public
inte***ce
configurablebeanfactory
extends
hierarchicalbeanfactory, singletonbeanregistry
public
inte***ce
listablebeanfactory
extends
beanfactory
public
abstract
class
abstractbeanfactory
extends
factorybeanregistrysupport
implements
configurablebeanfactory
public object getbean(string name) throws bean***ception
public
t getbean(string name, classrequiredtype) throws bean***ception
//一系列最核心的getbean方法。非常重要！
public object getbean(string name, object... args) throws bean***ception
public
t getbean(string name, classrequiredtype, object... args) throws bean***ception
//獲取bean
protected
t dogetbean(string name, classrequiredtype, final object args, boolean typecheckonly) throws bean***ception else
}bean = this.getobjectforbeaninstance(sharedinstance, name, beanname, (rootbeandefinition)null);//bean的例項化，如果是工廠bean,則獲取工廠bean的裡面的bean
} else
beanfactory ex = this.getparentbeanfactory();
if(ex != null && !this.containsbeandefinition(beanname))
return ex.getbean(var24, requiredtype);
}if(!typecheckonly)
try
this.registerdependentbean(dependsonbean, beanname);
this.getbean(dependsonbean);}}
if(ex1.issingleton()) catch (bean***ception var2)
}});
bean = this.getobjectforbeaninstance(sharedinstance, name, beanname, ex1);
} else
if(ex1.isprototype()) finally
bean = this.getobjectforbeaninstance(var25, name, beanname, ex1);
} else
try finally
return var1;
}});
bean = this.getobjectforbeaninstance(var28, name, beanname, ex1);
} catch (illegalstateexception var21)
}} catch (bean***ception var23)
}}
public
inte***ce
autowirecapablebeanfactory
extends
beanfactory
//建立bean的實現
public
abstract
class
abstractautowirecapablebeanfactory
extends
abstractbeanfactory
implements
autowirecapablebeanfactory
}
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