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## org.springframework.beans.factory.support
Class RootBeanDefinition

    java.lang.Object
      org.springframework.core.AttributeAccessorSupport
          org.springframework.beans.BeanMetadataAttributeAccessor
              org.springframework.beans.factory.support.AbstractBeanDefinition
                  org.springframework.beans.factory.support.RootBeanDefinition

All Implemented Interfaces:
  Serializable, Cloneable, BeanMetadataElement, BeanDefinition, AttributeAccessor

    public class RootBeanDefinition

extends AbstractBeanDefinition

A root bean definition represents the merged bean definition that backs a specific bean in a Spring BeanFactory at runtime. It might have been created from multiple original bean definitions that inherit from each other, typically registered as `GenericBeanDefinitions`. A root bean definition is essentially the 'unified' bean definition view at runtime.

Root bean definitions may also be used for registering individual bean definitions in the configuration phase. However, since Spring 2.5, the preferred way to register bean definitions programmatically is the `GenericBeanDefinition` class. GenericBeanDefinition has the advantage that it allows to dynamically define parent dependencies, not 'hard-coding' the role as a root bean definition.

Author:
  Rod Johnson, Juergen Hoeller
See Also:
  `GenericBeanDefinition`, `ChildBeanDefinition`, Serialized Form

Field Summary

Fields inherited from class org.springframework.beans.factory.support.AbstractBeanDefinition
`AUTOWIRE_AUTODETECT, AUTOWIRE_BY_NAME, AUTOWIRE_BY_TYPE, AUTOWIRE_CONSTRUCTOR, AUTOWIRE_NO, DEPENDENCY_CHECK_ALL, DEPENDENCY_CHECK_NONE, DEPENDENCY_CHECK_OBJECTS, DEPENDENCY_CHECK_SIMPLE, INFER_METHOD, SCOPE_DEFAULT`

Fields inherited from interface org.springframework.beans.factory.config.BeanDefinition
`ROLE_APPLICATION, ROLE_INFRASTRUCTURE, ROLE_SUPPORT, SCOPE_PROTOTYPE, SCOPE_SINGLETON`

Constructor Summary
`RootBeanDefinition()` Create a new RootBeanDefinition, to be configured through its bean properties and configuration methods.
`RootBeanDefinition(Class beanClass)` Create a new RootBeanDefinition for a singleton.
`RootBeanDefinition(Class beanClass, boolean singleton)` Deprecated. since Spring 2.5, in favor of `AbstractBeanDefinition.setScope(java.lang.String)`
`RootBeanDefinition(Class beanClass, ConstructorArgumentValues cargs, MutablePropertyValues pvs)` Create a new RootBeanDefinition for a singleton, providing constructor arguments and property values.
`RootBeanDefinition(Class beanClass, int autowireMode)` Deprecated. as of Spring 3.0, in favor of `AbstractBeanDefinition.setAutowireMode(int)` usage
`RootBeanDefinition(Class beanClass, int autowireMode, boolean dependencyCheck)` Create a new RootBeanDefinition for a singleton, using the given autowire mode.
`RootBeanDefinition(Class beanClass, MutablePropertyValues pvs)` Deprecated. as of Spring 3.0, in favor of `AbstractBeanDefinition.getPropertyValues()` usage
`RootBeanDefinition(Class beanClass, MutablePropertyValues pvs, boolean singleton)` Deprecated. since Spring 2.5, in favor of `AbstractBeanDefinition.setScope(java.lang.String)`
`RootBeanDefinition(RootBeanDefinition original)` Create a new RootBeanDefinition as deep copy of the given bean definition.
`RootBeanDefinition(String beanClassName)` Create a new RootBeanDefinition for a singleton, providing constructor arguments and property values.
`RootBeanDefinition(String beanClassName, ConstructorArgumentValues cargs, MutablePropertyValues pvs)` Create a new RootBeanDefinition for a singleton, providing constructor arguments and property values.

Method Summary
`RootBeanDefinition` | `cloneBeanDefinition()` Clone this bean definition.
`boolean` | `equals(Object other)`
`BeanDefinitionHolder` | `getDecoratedDefinition()`
`String` | `getParentName()` Return the name of the parent definition of this bean definition, if any.
`Method` | `getResolvedFactoryMethod()` Return the resolved factory method as a Java Method object, if available.
`boolean` | `isExternallyManagedConfigMember(Member configMember)`
`boolean` | `isExternallyManagedDestroyMethod(String destroyMethod)`
`boolean` | `isExternallyManagedInitMethod(String initMethod)`
`boolean` | `isFactoryMethod(Method candidate)` Check whether the given candidate qualifies as a factory method.
`void` | `registerExternallyManagedConfigMember(Member configMember)`
`void` | `registerExternallyManagedDestroyMethod(String destroyMethod)`
`void` | `registerExternallyManagedInitMethod(String initMethod)`
`void` | `setDecoratedDefinition(BeanDefinitionHolder decoratedDefinition)`
`void` | `setParentName(String parentName)` Set the name of the parent definition of this bean definition, if any.
`void` | `setUniqueFactoryMethodName(String name)` Specify a factory method name that refers to a non-overloaded method.
`String` | `toString()`

Methods inherited from class org.springframework.beans.factory.support.AbstractBeanDefinition
`addQualifier, applyDefaults, clone, copyQualifiersFrom, getAutowireMode, getBeanClass, getBeanClassName, getConstructorArgumentValues, getDependencyCheck, getDependsOn, getDescription, getDestroyMethodName, getFactoryBeanName, getFactoryMethodName, getInitMethodName, getMethodOverrides, getOriginatingBeanDefinition, getPropertyValues, getQualifier, getQualifiers, getResolvedAutowireMode, getResource, getResourceDescription, getRole, getScope, hasBeanClass, hasConstructorArgumentValues, hashCode, hasQualifier, isAbstract, isAutowireCandidate, isEnforceDestroyMethod, isEnforceInitMethod, isLazyInit, isLenientConstructorResolution, isNonPublicAccessAllowed, isPrimary, isPrototype, isSingleton, isSynthetic, overrideFrom, overrideFrom, prepareMethodOverride, prepareMethodOverrides, resolveBeanClass, setAbstract, setAutowireCandidate, setAutowireMode, setBeanClass, setBeanClassName, setConstructorArgumentValues, setDependencyCheck, setDependsOn, setDescription, setDestroyMethodName, setEnforceDestroyMethod, setEnforceInitMethod, setFactoryBeanName, setFactoryMethodName, setInitMethodName, setLazyInit, setLenientConstructorResolution, setMethodOverrides, setNonPublicAccessAllowed, setOriginatingBeanDefinition, setPrimary, setPropertyValues, setResource, setResourceDescription, setRole, setScope, setSingleton, setSynthetic, validate`

Methods inherited from class org.springframework.beans.BeanMetadataAttributeAccessor
`addMetadataAttribute, getAttribute, getMetadataAttribute, getSource, removeAttribute, setAttribute, setSource`

Methods inherited from class org.springframework.core.AttributeAccessorSupport
`attributeNames, copyAttributesFrom, hasAttribute`

Methods inherited from class java.lang.Object
`finalize, getClass, notify, notifyAll, wait, wait, wait`

Methods inherited from interface org.springframework.core.AttributeAccessor
`attributeNames, getAttribute, hasAttribute, removeAttribute, setAttribute`

Methods inherited from interface org.springframework.beans.BeanMetadataElement
`getSource`

Constructor Detail

### RootBeanDefinition

    public RootBeanDefinition()

  Create a new RootBeanDefinition, to be configured through its bean properties and configuration methods.

  See Also:
    `AbstractBeanDefinition.setBeanClass(java.lang.Class)`, `AbstractBeanDefinition.setBeanClassName(java.lang.String)`, `AbstractBeanDefinition.setScope(java.lang.String)`, `AbstractBeanDefinition.setAutowireMode(int)`, `AbstractBeanDefinition.setDependencyCheck(int)`, `AbstractBeanDefinition.setConstructorArgumentValues(org.springframework.beans.factory.config.ConstructorArgumentValues)`, `AbstractBeanDefinition.setPropertyValues(org.springframework.beans.MutablePropertyValues)`

### RootBeanDefinition

    public RootBeanDefinition(Class beanClass)

  Create a new RootBeanDefinition for a singleton.

  Parameters:
    `beanClass` - the class of the bean to instantiate

### RootBeanDefinition

    @Deprecated
    public RootBeanDefinition(Class beanClass,
                                         boolean singleton)

  Deprecated. since Spring 2.5, in favor of `AbstractBeanDefinition.setScope(java.lang.String)`

  Create a new RootBeanDefinition with the given singleton status.

  Parameters:
    `beanClass` - the class of the bean to instantiate
    `singleton` - the singleton status of the bean

### RootBeanDefinition

    @Deprecated
    public RootBeanDefinition(Class beanClass,
                                         int autowireMode)

  Deprecated. as of Spring 3.0, in favor of `AbstractBeanDefinition.setAutowireMode(int)` usage

  Create a new RootBeanDefinition for a singleton, using the given autowire mode.

  Parameters:
    `beanClass` - the class of the bean to instantiate
    `autowireMode` - by name or type, using the constants in this interface

### RootBeanDefinition

    public RootBeanDefinition(Class beanClass,
                              int autowireMode,
                              boolean dependencyCheck)

  Create a new RootBeanDefinition for a singleton, using the given autowire mode.

  Parameters:
    `beanClass` - the class of the bean to instantiate
    `autowireMode` - by name or type, using the constants in this interface
    `dependencyCheck` - whether to perform a dependency check for objects (not applicable to autowiring a constructor, thus ignored there)

### RootBeanDefinition

    @Deprecated
    public RootBeanDefinition(Class beanClass,
                                         MutablePropertyValues pvs)

  Deprecated. as of Spring 3.0, in favor of `AbstractBeanDefinition.getPropertyValues()` usage

  Create a new RootBeanDefinition for a singleton, providing property values.

  Parameters:
    `beanClass` - the class of the bean to instantiate
    `pvs` - the property values to apply

### RootBeanDefinition

    @Deprecated
    public RootBeanDefinition(Class beanClass,
                                         MutablePropertyValues pvs,
                                         boolean singleton)

  Deprecated. since Spring 2.5, in favor of `AbstractBeanDefinition.setScope(java.lang.String)`

  Create a new RootBeanDefinition with the given singleton status, providing property values.

  Parameters:
    `beanClass` - the class of the bean to instantiate
    `pvs` - the property values to apply
    `singleton` - the singleton status of the bean

### RootBeanDefinition

    public RootBeanDefinition(Class beanClass,
                              ConstructorArgumentValues cargs,
                              MutablePropertyValues pvs)

  Create a new RootBeanDefinition for a singleton, providing constructor arguments and property values.

  Parameters:
    `beanClass` - the class of the bean to instantiate
    `cargs` - the constructor argument values to apply
    `pvs` - the property values to apply

### RootBeanDefinition

    public RootBeanDefinition(String beanClassName)

  Create a new RootBeanDefinition for a singleton, providing constructor arguments and property values.

  Takes a bean class name to avoid eager loading of the bean class.

  Parameters:
    `beanClassName` - the name of the class to instantiate

### RootBeanDefinition

    public RootBeanDefinition(String beanClassName,
                              ConstructorArgumentValues cargs,
                              MutablePropertyValues pvs)

  Create a new RootBeanDefinition for a singleton, providing constructor arguments and property values.

  Takes a bean class name to avoid eager loading of the bean class.

  Parameters:
    `beanClassName` - the name of the class to instantiate
    `cargs` - the constructor argument values to apply
    `pvs` - the property values to apply

### RootBeanDefinition

    public RootBeanDefinition(RootBeanDefinition original)

  Create a new RootBeanDefinition as deep copy of the given bean definition.

  Parameters:
    `original` - the original bean definition to copy from

Method Detail

### getParentName

    public String getParentName()

  Description copied from interface: `BeanDefinition`
  Return the name of the parent definition of this bean definition, if any.

### setParentName

    public void setParentName(String parentName)

  Description copied from interface: `BeanDefinition`
  Set the name of the parent definition of this bean definition, if any.

### setUniqueFactoryMethodName

    public void setUniqueFactoryMethodName(String name)

  Specify a factory method name that refers to a non-overloaded method.

### isFactoryMethod

    public boolean isFactoryMethod(Method candidate)

  Check whether the given candidate qualifies as a factory method.

### getResolvedFactoryMethod

    public Method getResolvedFactoryMethod()

  Return the resolved factory method as a Java Method object, if available.

  Returns:
    the factory method, or `null` if not found or not resolved yet

### registerExternallyManagedConfigMember

    public void registerExternallyManagedConfigMember(Member configMember)

### isExternallyManagedConfigMember

    public boolean isExternallyManagedConfigMember(Member configMember)

### registerExternallyManagedInitMethod

    public void registerExternallyManagedInitMethod(String initMethod)

### isExternallyManagedInitMethod

    public boolean isExternallyManagedInitMethod(String initMethod)

### registerExternallyManagedDestroyMethod

    public void registerExternallyManagedDestroyMethod(String destroyMethod)

### isExternallyManagedDestroyMethod

    public boolean isExternallyManagedDestroyMethod(String destroyMethod)

### setDecoratedDefinition

    public void setDecoratedDefinition(BeanDefinitionHolder decoratedDefinition)

### getDecoratedDefinition

    public BeanDefinitionHolder getDecoratedDefinition()

### cloneBeanDefinition

    public RootBeanDefinition cloneBeanDefinition()

  Description copied from class: `AbstractBeanDefinition`
  Clone this bean definition. To be implemented by concrete subclasses.

  Specified by:
    `cloneBeanDefinition` in class `AbstractBeanDefinition`
  Returns:
    the cloned bean definition object

### equals

    public boolean equals(Object other)

  Overrides:
    `equals` in class `AbstractBeanDefinition`

### toString

    public String toString()

  Overrides:
    `toString` in class `AbstractBeanDefinition`

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