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ChildBeanDefinition (Spring Framework API 2.1) - Spring Framework 2.1.0 API 文档英文版

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org.springframework.beans.factory.support
Class ChildBeanDefinition

java.lang.Object
  extended by org.springframework.core.AttributeAccessorSupport
      extended by org.springframework.beans.factory.support.AbstractBeanDefinition
          extended by org.springframework.beans.factory.support.ChildBeanDefinition
All Implemented Interfaces:
Serializable, BeanMetadataElement, BeanDefinition, AttributeAccessor
public class ChildBeanDefinition
extends AbstractBeanDefinition

Bean definition for beans which inherit settings from their parent.

Will use the bean class of the parent if none specified, but can also override it. In the latter case, the child bean class must be compatible with the parent, i.e. accept the parent's property values and constructor argument values, if any.

A child bean definition will inherit constructor argument values, property values and method overrides from the parent, with the option to add new values. If init method, destroy method and/or static factory method are specified, they will override the corresponding parent settings.

The remaining settings will always be taken from the child definition: depends on, autowire mode, dependency check, singleton, lazy init.

Author:
Rod Johnson, Juergen Hoeller
See Also:
RootBeanDefinition, 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
 
Fields inherited from interface org.springframework.beans.factory.config.BeanDefinition
ROLE_APPLICATION, ROLE_INFRASTRUCTURE, ROLE_SUPPORT, SCOPE_PROTOTYPE, SCOPE_SINGLETON
 
Constructor Summary
ChildBeanDefinition(ChildBeanDefinition original)
          Create a new ChildBeanDefinition as deep copy of the given bean definition.
ChildBeanDefinition(String parentName)
          Create a new ChildBeanDefinition for the given parent, to be configured through its bean properties and configuration methods.
ChildBeanDefinition(String parentName, Class beanClass, ConstructorArgumentValues cargs, MutablePropertyValues pvs)
          Create a new ChildBeanDefinition for the given parent, providing constructor arguments and property values.
ChildBeanDefinition(String parentName, ConstructorArgumentValues cargs, MutablePropertyValues pvs)
          Create a new ChildBeanDefinition for the given parent.
ChildBeanDefinition(String parentName, MutablePropertyValues pvs)
          Create a new ChildBeanDefinition for the given parent.
ChildBeanDefinition(String parentName, String beanClassName, ConstructorArgumentValues cargs, MutablePropertyValues pvs)
          Create a new ChildBeanDefinition for the given parent, providing constructor arguments and property values.
 
Method Summary
 boolean equals(Object other)
           
 String getParentName()
          Return the name of the parent definition of this bean definition.
 int hashCode()
           
 String toString()
           
 void validate()
          Validate this bean definition.
 
Methods inherited from class org.springframework.beans.factory.support.AbstractBeanDefinition
getAutowireMode, getBeanClass, getBeanClassName, getConstructorArgumentValues, getDependencyCheck, getDependsOn, getDestroyMethodName, getFactoryBeanName, getFactoryMethodName, getInitMethodName, getMethodOverrides, getPropertyValues, getResolvedAutowireMode, getResourceDescription, getRole, getScope, getSource, hasBeanClass, hasConstructorArgumentValues, isAbstract, isAutowireCandidate, isEnforceDestroyMethod, isEnforceInitMethod, isLazyInit, isPrototype, isSingleton, isSynthetic, overrideFrom, prepareMethodOverride, prepareMethodOverrides, resolveBeanClass, setAbstract, setAutowireCandidate, setAutowireMode, setBeanClass, setBeanClassName, setConstructorArgumentValues, setDependencyCheck, setDependsOn, setDestroyMethodName, setEnforceDestroyMethod, setEnforceInitMethod, setFactoryBeanName, setFactoryMethodName, setInitMethodName, setLazyInit, setMethodOverrides, setPropertyValues, setResourceDescription, setRole, setScope, setSingleton, setSource, setSynthetic
 
Methods inherited from class org.springframework.core.AttributeAccessorSupport
attributeNames, copyAttributesFrom, getAttribute, hasAttribute, removeAttribute, setAttribute
 
Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
 
Methods inherited from interface org.springframework.core.AttributeAccessor
attributeNames, getAttribute, hasAttribute, removeAttribute, setAttribute
 

Constructor Detail

ChildBeanDefinition

public ChildBeanDefinition(String parentName)
Create a new ChildBeanDefinition for the given parent, to be configured through its bean properties and configuration methods.

Parameters:
parentName - the name of the parent bean
See Also:
AbstractBeanDefinition.setBeanClass(java.lang.Class), AbstractBeanDefinition.setBeanClassName(java.lang.String), AbstractBeanDefinition.setSingleton(boolean), AbstractBeanDefinition.setAutowireMode(int), AbstractBeanDefinition.setDependencyCheck(int), AbstractBeanDefinition.setConstructorArgumentValues(org.springframework.beans.factory.config.ConstructorArgumentValues), AbstractBeanDefinition.setPropertyValues(org.springframework.beans.MutablePropertyValues)

ChildBeanDefinition

public ChildBeanDefinition(String parentName,
                           MutablePropertyValues pvs)
Create a new ChildBeanDefinition for the given parent.

Parameters:
parentName - the name of the parent bean
pvs - the additional property values of the child

ChildBeanDefinition

public ChildBeanDefinition(String parentName,
                           ConstructorArgumentValues cargs,
                           MutablePropertyValues pvs)
Create a new ChildBeanDefinition for the given parent.

Parameters:
parentName - the name of the parent bean
cargs - the constructor argument values to apply
pvs - the additional property values of the child

ChildBeanDefinition

public ChildBeanDefinition(String parentName,
                           Class beanClass,
                           ConstructorArgumentValues cargs,
                           MutablePropertyValues pvs)
Create a new ChildBeanDefinition for the given parent, providing constructor arguments and property values.

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

ChildBeanDefinition

public ChildBeanDefinition(String parentName,
                           String beanClassName,
                           ConstructorArgumentValues cargs,
                           MutablePropertyValues pvs)
Create a new ChildBeanDefinition for the given parent, providing constructor arguments and property values. Takes a bean class name to avoid eager loading of the bean class.

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

ChildBeanDefinition

public ChildBeanDefinition(ChildBeanDefinition original)
Create a new ChildBeanDefinition as deep copy of the given bean definition.

Parameters:
original - the original bean definition to copy from
Method Detail

getParentName

public String getParentName()
Return the name of the parent definition of this bean definition.

validate

public void validate()
              throws BeanDefinitionValidationException
Description copied from class: AbstractBeanDefinition
Validate this bean definition.

Overrides:
validate in class AbstractBeanDefinition
Throws:
BeanDefinitionValidationException - in case of validation failure

equals

public boolean equals(Object other)
Overrides:
equals in class AbstractBeanDefinition

hashCode

public int hashCode()
Overrides:
hashCode in class AbstractBeanDefinition

toString

public String toString()
Overrides:
toString in class AbstractBeanDefinition
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