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## org.springframework.beans.factory.config
Class BeanDefinitionHolder

    java.lang.Object
      org.springframework.beans.factory.config.BeanDefinitionHolder

All Implemented Interfaces:
  BeanMetadataElement

Direct Known Subclasses:
  BeanComponentDefinition

    public class BeanDefinitionHolder

extends Object
implements BeanMetadataElement

Holder for a BeanDefinition with name and aliases. Can be registered as a placeholder for an inner bean.

Can also be used for programmatic registration of inner bean definitions. If you don't care about BeanNameAware and the like, registering RootBeanDefinition or ChildBeanDefinition is good enough.

Since:
  1.0.2
Author:
  Juergen Hoeller
See Also:
  `BeanNameAware`, `RootBeanDefinition`, `ChildBeanDefinition`

Constructor Summary
`BeanDefinitionHolder(BeanDefinitionHolder beanDefinitionHolder)` Copy constructor: Create a new BeanDefinitionHolder with the same contents as the given BeanDefinitionHolder instance.
`BeanDefinitionHolder(BeanDefinition beanDefinition, String beanName)` Create a new BeanDefinitionHolder.
`BeanDefinitionHolder(BeanDefinition beanDefinition, String beanName, String[] aliases)` Create a new BeanDefinitionHolder.

Method Summary
`boolean` | `equals(Object other)`
`String[]` | `getAliases()` Return the alias names for the bean, as specified directly for the bean definition.
`BeanDefinition` | `getBeanDefinition()` Return the wrapped BeanDefinition.
`String` | `getBeanName()` Return the primary name of the bean, as specified for the bean definition.
`String` | `getLongDescription()` Return a long description for the bean, including name and aliases as well as a description of the contained `BeanDefinition`.
`String` | `getShortDescription()` Return a friendly, short description for the bean, stating name and aliases.
`Object` | `getSource()` Expose the bean definition's source object.
`int` | `hashCode()`
`boolean` | `matchesName(String candidateName)` Determine whether the given candidate name matches the bean name or the aliases stored in this bean definition.
`String` | `toString()` This implementation returns the long description.

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

Constructor Detail

### BeanDefinitionHolder

    public BeanDefinitionHolder(BeanDefinition beanDefinition,
                                String beanName)

  Create a new BeanDefinitionHolder.

  Parameters:
    `beanDefinition` - the BeanDefinition to wrap
    `beanName` - the name of the bean, as specified for the bean definition

### BeanDefinitionHolder

    public BeanDefinitionHolder(BeanDefinition beanDefinition,
                                String beanName,
                                String[] aliases)

  Create a new BeanDefinitionHolder.

  Parameters:
    `beanDefinition` - the BeanDefinition to wrap
    `beanName` - the name of the bean, as specified for the bean definition
    `aliases` - alias names for the bean, or `null` if none

### BeanDefinitionHolder

    public BeanDefinitionHolder(BeanDefinitionHolder beanDefinitionHolder)

  Copy constructor: Create a new BeanDefinitionHolder with the same contents as the given BeanDefinitionHolder instance.

  Note: The wrapped BeanDefinition reference is taken as-is; it is `not` deeply copied.

  Parameters:
    `beanDefinitionHolder` - the BeanDefinitionHolder to copy

Method Detail

### getBeanDefinition

    public BeanDefinition getBeanDefinition()

  Return the wrapped BeanDefinition.

### getBeanName

    public String getBeanName()

  Return the primary name of the bean, as specified for the bean definition.

### getAliases

    public String[] getAliases()

  Return the alias names for the bean, as specified directly for the bean definition.

  Returns:
    the array of alias names, or `null` if none

### getSource

    public Object getSource()

  Expose the bean definition's source object.

  Specified by:
    `getSource` in interface `BeanMetadataElement`
  See Also:
    `BeanMetadataElement.getSource()`

### matchesName

    public boolean matchesName(String candidateName)

  Determine whether the given candidate name matches the bean name or the aliases stored in this bean definition.

### getShortDescription

    public String getShortDescription()

  Return a friendly, short description for the bean, stating name and aliases.

  See Also:
    `getBeanName()`, `getAliases()`

### getLongDescription

    public String getLongDescription()

  Return a long description for the bean, including name and aliases as well as a description of the contained `BeanDefinition`.

  See Also:
    `getShortDescription()`, `getBeanDefinition()`

### toString

    public String toString()

  This implementation returns the long description. Can be overridden to return the short description or any kind of custom description instead.

  Overrides:
    `toString` in class `Object`
  See Also:
    `getLongDescription()`, `getShortDescription()`

### equals

    public boolean equals(Object other)

  Overrides:
    `equals` in class `Object`

### hashCode

    public int hashCode()

  Overrides:
    `hashCode` in class `Object`

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