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spring源码 继承AttributeAccessor的BeanDefinition接口

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/**
 * A BeanDefinition describes a bean instance, which has property values,
 * constructor argument values, and further information supplied by
 * concrete implementations.
 *BeanDefinition(bean的定义)描述了bean的实例,它具有属性值,构造函数,等等。。。*/
public interface BeanDefinition extends AttributeAccessor, BeanMetadataElement {

    /**
     * Scope identifier for the standard singleton scope: "singleton".
     * <p>Note that extended bean factories might support further scopes.
    标准单例范围的范围表示符是:singleton,意思就是单例模式的意思*/
    String SCOPE_SINGLETON = ConfigurableBeanFactory.SCOPE_SINGLETON;

    /**
     * Scope identifier for the standard prototype scope: "prototype".
     * <p>Note that extended bean factories might support further scopes.
    原型模式
    
*/ String SCOPE_PROTOTYPE = ConfigurableBeanFactory.SCOPE_PROTOTYPE; /** * Role hint indicating that a {@code BeanDefinition} is a major part * of the application. Typically corresponds to a user-defined bean.
    角色提示表明BeanDefinition是主要部门
*/ int ROLE_APPLICATION = 0; /** * Role hint indicating that a {@code BeanDefinition} is a supporting * part of some larger configuration, typically an outer     角色提示证明BeanDefinition是一个支持一些较大配置的一部分。通常是外部配置*/ int ROLE_SUPPORT = 1; /** * Role hint indicating that a {@code BeanDefinition} is providing an * entirely background role and has no relevance to the end-user. This hint is * used when registering beans that are completely part of the internal workings * of a {@link org.springframework.beans.factory.parsing.ComponentDefinition}.
    注册Bean的时候内部工作使用
*/ int ROLE_INFRASTRUCTURE = 2; // Modifiable attributes /** * Set the name of the parent definition of this bean definition, if any.
    如果有的话,设置此bean的父定义的名称
*/ void setParentName(String parentName); /** * Return the name of the parent definition of this bean definition, if any.
    如果有的话,返回此bean定义的父定义的名称
*/ String getParentName(); /** * Specify the bean class name of this bean definition. * <p>The class name can be modified during bean factory post-processing, * typically replacing the original class name with a parsed variant of it.     设置Bean的类全名*/ void setBeanClassName(String beanClassName); /** * Return the current bean class name of this bean definition. * <p>Note that this does not have to be the actual class name used at runtime, in * case of a child definition overriding/inheriting the class name from its parent. * Also, this may just be the class that a factory method is called on, or it may * even be empty in case of a factory bean reference that a method is called on. * Hence, do <i>not</i> consider this to be the definitive bean type at runtime but * rather only use it for parsing purposes at the individual bean definition level.     返回此bean的类全名。注意,这不一定是运行时使用的实际类全名*/ String getBeanClassName(); /** * Override the target scope of this bean, specifying a new scope name.     覆盖此bean的目标返回,指定新的范围名称*/ void setScope(String scope); /** * Return the name of the current target scope for this bean,     返回此bean的当前目标范围的名称*/ String getScope(); /** * Set whether this bean should be lazily initialized. * <p>If {@code false}, the bean will get instantiated on startup by bean * factories that perform eager initialization of singletons.
    设置是否应该懒加载此bean
*/ void setLazyInit(boolean lazyInit); /** * Return whether this bean should be lazily initialized, i.e. not * eagerly instantiated on startup. Only applicable to a singleton bean.
    返回是否应该懒加载此bean,即不是在启动时立马执行实例化。仅适用于单例bean
*/ boolean isLazyInit(); /** * Set the names of the beans that this bean depends on being initialized. * The bean factory will guarantee that these beans get initialized first.
    设置此bean依赖于初始化的bean的名称
    bean工厂将保证首先初始化这些bean
*/ void setDependsOn(String... dependsOn); /** * Return the bean names that this bean depends on.
    返回此bean所依赖的bean名称
*/ String[] getDependsOn(); /** * Set whether this bean is a candidate for getting autowired into some other bean. * <p>Note that this flag is designed to only affect type-based autowiring. * It does not affect explicit references by name, which will get resolved even * if the specified bean is not marked as an autowire candidate. As a consequence, * autowiring by name will nevertheless inject a bean if the name matches.
    设置此bean是否可以自动连接到其它bean
      请注意,此标志仅用于影响基于类型的自动装配
      它不会影响名称的显式引用,甚至可以解析
      如果指定的bean未标记为autowire候选者,作为结果
      如果名称匹配,按名称自动装配将注入一个bean
*/ void setAutowireCandidate(boolean autowireCandidate); /** * Return whether this bean is a candidate for getting autowired into some other bean.
    返回此bean是否可以自动连接到其它Bean中
*/ boolean isAutowireCandidate(); /** * Set whether this bean is a primary autowire candidate. * <p>If this value is {@code true} for exactly one bean among multiple * matching candidates, it will serve as a tie-breaker.
    设置此bean是否为主要的autowire候选者
*/ void setPrimary(boolean primary); /** * Return whether this bean is a primary autowire candidate.
    返回此bean是否是主要的autowire候选者
*/ boolean isPrimary(); /** * Specify the factory bean to use, if any. * This the name of the bean to call the specified factory method on. * @see #setFactoryMethodName
    指定要使用的工厂bean,这是调用指定工厂方法的bean的名称
*/ void setFactoryBeanName(String factoryBeanName); /** * Return the factory bean name, if any.
    如果有的话,返回bean工厂的名称
*/ String getFactoryBeanName(); /** * Specify a factory method, if any. This method will be invoked with * constructor arguments, or with no arguments if none are specified. * The method will be invoked on the specified factory bean, if any, * or otherwise as a static method on the local bean class.     如果有的话,设置指定工厂方法,将使用此方法调用此方法构造函数参数,如果没有指定,
    则不带参数。将在指定的工厂bean上调用该方法。如果有的话,或者作为本地bean类的
    静态方法
*/ void setFactoryMethodName(String factoryMethodName); /** * Return a factory method, if any.
    如果有的话,返回工厂方法
*/ String getFactoryMethodName(); /** * Return the constructor argument values for this bean. * <p>The returned instance can be modified during bean factory post-processing. * @return the ConstructorArgumentValues object (never {@code null})
    返回此bean的构造函数参数值,可以在Bean工厂后期处理修改返回的实例
*/ ConstructorArgumentValues getConstructorArgumentValues(); /** * Return the property values to be applied to a new instance of the bean. * <p>The returned instance can be modified during bean factory post-processing. * @return the MutablePropertyValues object (never {@code null})
    返回要应用于bean的新势力的属性值
*/ MutablePropertyValues getPropertyValues(); // Read-only attributes /** * Return whether this a <b>Singleton</b>, with a single, shared instance * returned on all calls.     返回是否为单例模式*/ boolean isSingleton(); /** * Return whether this a <b>Prototype</b>, with an independent instance * returned for each call.   返回是否为Prototype(原型模式)*/ boolean isPrototype(); /** * Return whether this bean is "abstract", that is, not meant to be instantiated.
    返回此Bean是否为抽象bean,即不是要实例化
*/ boolean isAbstract(); /** * Get the role hint for this {@code BeanDefinition}. The role hint * provides the frameworks as well as tools with an indication of * the role and importance of a particular {@code BeanDefinition}.     获取此BeanDefinition的角色提示,角色提示提供框架以及指示的工具*/ int getRole(); /** * Return a human-readable description of this bean definition.
    返回此bean定义的可读描述
*/ String getDescription(); /** * Return a description of the resource that this bean definition * came from (for the purpose of showing context in case of errors).
    返回此bean定义的资源的描述
    来自(为了在出现错误时显示上下文)
*/ String getResourceDescription(); /** * Return the originating BeanDefinition, or {@code null} if none. * Allows for retrieving the decorated bean definition, if any. * <p>Note that this method returns the immediate originator. Iterate through the * originator chain to find the original BeanDefinition as defined by the user.
    返回原始BeanDefinition,如果没有,则返回Null
*/ BeanDefinition getOriginatingBeanDefinition(); }

 

spring源码 继承AttributeAccessor的BeanDefinition接口

标签:其它   实例化   into   lag   mon   目标   单例   serve   structure   

原文地址:https://www.cnblogs.com/lkeji388/p/9451904.html

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