BeanAssembler (Mule ESB 2.2.1 API)
Keywords: org.mule.config.spring.parsers.assembly.BeanAssembler interface

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## org.mule.config.spring.parsers.assembly
Interface BeanAssembler

All Known Implementing Classes:
  AbstractMapBeanAssembler, AttributeMapBeanAssembler, DefaultBeanAssembler, TwoStageMapBeanAssembler

    public interface BeanAssembler

Bean Assembler provides a high-level interface to constructing beans. It encapsulates all the "smart" logic about collections, maps, references, etc.

A bean assembly contains a bean (the thing we are constructing), a target (where we put the bean once it is ready) and appropriate configuration information (there is a configuration for both bean and target, but currently they are set to the same instance by the classes that use this).

Method Summary
`void` | `copyBeanToTarget()` Copy the properties from the bean we have been building into the target (typically the parent bean).
`void` | `extendBean(Attr attribute)` Add a property defined by an attribute to the bean we are constructing.
`void` | `extendBean(String newName, Object newValue, boolean isReference)` Allow direct access to bean for more complex cases
`void` | `extendTarget(Attr attribute)` Add a property defined by an attribute to the parent of the bean we are constructing.
`void` | `extendTarget(String newName, Object newValue, boolean isReference)` Allow direct access to target for more complex cases
`void` | `extendTarget(String oldName, String newName, Object newValue)`
`org.springframework.beans.factory.support.BeanDefinitionBuilder` | `getBean()`
`org.springframework.beans.factory.config.BeanDefinition` | `getTarget()`
`void` | `insertBeanInTarget(String oldName)` Insert the bean we have built into the target (typically the parent bean).
`void` | `setBeanFlag(String flag)` Set a flag on the bean - this is used to communicate with `MuleHierarchicalBeanDefinitionParserDelegate`

Method Detail

### getBean

    org.springframework.beans.factory.support.BeanDefinitionBuilder getBean()

### getTarget

    org.springframework.beans.factory.config.BeanDefinition getTarget()

### extendBean

    void extendBean(Attr attribute)

  Add a property defined by an attribute to the bean we are constructing.

  Since an attribute value is always a string, we don't have to deal with complex types here - the only issue is whether or not we have a reference. References are detected by explicit annotation or by the "-ref" at the end of an attribute name. We do not check the Spring repo to see if a name already exists since that could lead to unpredictable behaviour. (see `PropertyConfiguration`)

  Parameters:
    `attribute` - The attribute to add

### extendBean

    void extendBean(String newName,
                    Object newValue,
                    boolean isReference)

  Allow direct access to bean for more complex cases

  Parameters:
    `newName` - The property name to add
    `newValue` - The property value to add
    `isReference` - If true, a bean reference is added (and newValue must be a String)

### extendTarget

    void extendTarget(Attr attribute)

  Add a property defined by an attribute to the parent of the bean we are constructing.

  This is unusual. Normally you want `extendBean(org.w3c.dom.Attr)`.

  Parameters:
    `attribute` - The attribute to add

### extendTarget

    void extendTarget(String newName,
                      Object newValue,
                      boolean isReference)

  Allow direct access to target for more complex cases

  Parameters:
    `newName` - The property name to add
    `newValue` - The property value to add
    `isReference` - If true, a bean reference is added (and newValue must be a String)

### extendTarget

    void extendTarget(String oldName,
                      String newName,
                      Object newValue)

### insertBeanInTarget

    void insertBeanInTarget(String oldName)

  Insert the bean we have built into the target (typically the parent bean).

  This is the most complex case because the bean can have an aribtrary type.

  Parameters:
    `oldName` - The identifying the bean (typically element name).

### copyBeanToTarget

    void copyBeanToTarget()

  Copy the properties from the bean we have been building into the target (typically the parent bean). In other words, the bean is a facade for the target.

  This assumes that the source bean has been constructed correctly (ie the decisions about what is ignored, a map, a list, etc) have already been made. All it does (apart from a direct copy) is merge collections with those on the target when necessary.

### setBeanFlag

    void setBeanFlag(String flag)

  Set a flag on the bean - this is used to communicate with `MuleHierarchicalBeanDefinitionParserDelegate`

  Parameters:
    `flag` - The flag to set

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