SingletonMetadataAwareAspectInstanceFactory (Spring Framework 3.2.1.RELEASE API)
Date: 2013-01-24

org.springframework.aop.aspectj.annotation

## Class SingletonMetadataAwareAspectInstanceFactory

- java.lang.Object
- - org.springframework.aop.aspectj.SingletonAspectInstanceFactory
  - - org.springframework.aop.aspectj.annotation.SingletonMetadataAwareAspectInstanceFactory

- All Implemented Interfaces:
    MetadataAwareAspectInstanceFactory, AspectInstanceFactory, Ordered

      public class SingletonMetadataAwareAspectInstanceFactory
      extends SingletonAspectInstanceFactory
      implements MetadataAwareAspectInstanceFactory

  Implementation of `MetadataAwareAspectInstanceFactory` that is backed by a specified singleton object, returning the same instance for every `SingletonAspectInstanceFactory.getAspectInstance()` call.
  Since:
    2.0
  Author:
    Rod Johnson, Juergen Hoeller
  See Also:
    `SimpleMetadataAwareAspectInstanceFactory`

- - ### Field Summary

    - ### Fields inherited from interface org.springframework.core.Ordered

      `HIGHEST_PRECEDENCE, LOWEST_PRECEDENCE`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `SingletonMetadataAwareAspectInstanceFactory(Object aspectInstance, String aspectName)` Create a new SingletonMetadataAwareAspectInstanceFactory for the given aspect.

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `AspectMetadata` | `getAspectMetadata()` Return the AspectJ AspectMetadata for this factory's aspect.
    `protected int` | `getOrderForAspectClass(Class<?> aspectClass)` Check whether the aspect class carries an `Order` annotation, falling back to `Ordered.LOWEST_PRECEDENCE`.

    - ### Methods inherited from class org.springframework.aop.aspectj.SingletonAspectInstanceFactory

      `getAspectClassLoader, getAspectInstance, getOrder`

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

    - ### Methods inherited from interface org.springframework.aop.aspectj.AspectInstanceFactory

      `getAspectClassLoader, getAspectInstance`

    - ### Methods inherited from interface org.springframework.core.Ordered

      `getOrder`

- - ### Constructor Detail

    - #### SingletonMetadataAwareAspectInstanceFactory

          public SingletonMetadataAwareAspectInstanceFactory(Object aspectInstance,
                                                     String aspectName)

      Create a new SingletonMetadataAwareAspectInstanceFactory for the given aspect.
      Parameters:
        `aspectInstance` - the singleton aspect instance
        `aspectName` - the name of the aspect

  - ### Method Detail

    - #### getAspectMetadata

          public final AspectMetadata getAspectMetadata()

      Description copied from interface: `MetadataAwareAspectInstanceFactory`
      Return the AspectJ AspectMetadata for this factory's aspect.
      Specified by:
        `getAspectMetadata` in interface `MetadataAwareAspectInstanceFactory`
      Returns:
        the aspect metadata

    - #### getOrderForAspectClass

          protected int getOrderForAspectClass(Class<?> aspectClass)

      Check whether the aspect class carries an `Order` annotation, falling back to `Ordered.LOWEST_PRECEDENCE`.
      Overrides:
        `getOrderForAspectClass` in class `SingletonAspectInstanceFactory`
      Parameters:
        `aspectClass` - the aspect class
      See Also:
        `Order`