The Spring Framework

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

    java.lang.Object
      org.springframework.beans.factory.config.AbstractFactoryBean
          org.springframework.beans.factory.config.SetFactoryBean

All Implemented Interfaces:
  BeanClassLoaderAware, BeanFactoryAware, DisposableBean, FactoryBean, InitializingBean

    public class SetFactoryBean

extends AbstractFactoryBean

Simple factory for shared Set instances. Allows for central setup of Sets via the "set" element in XML bean definitions.

Since:
  09.12.2003
Author:
  Juergen Hoeller
See Also:
  `ListFactoryBean`, `MapFactoryBean`

Field Summary

Fields inherited from class org.springframework.beans.factory.config.AbstractFactoryBean
`logger`

Constructor Summary
`SetFactoryBean()`

Method Summary
`protected Object` `createInstance()` Template method that subclasses must override to construct the object returned by this factory.
`Class` `getObjectType()` This abstract method declaration mirrors the method in the FactoryBean interface, for a consistent offering of abstract template methods.
`void` `setSourceSet(Set sourceSet)` Set the source Set, typically populated via XML "set" elements.
`void` `setTargetSetClass(Class targetSetClass)` Set the class to use for the target Set.

Methods inherited from class org.springframework.beans.factory.config.AbstractFactoryBean
`afterPropertiesSet, destroy, destroyInstance, getBeanFactory, getBeanTypeConverter, getEarlySingletonInterfaces, getObject, isSingleton, setBeanClassLoader, setBeanFactory, setSingleton`

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

Constructor Detail

### SetFactoryBean

    public SetFactoryBean()

Method Detail

### setSourceSet

    public void setSourceSet(Set sourceSet)

  Set the source Set, typically populated via XML "set" elements.

### setTargetSetClass

    public void setTargetSetClass(Class targetSetClass)

  Set the class to use for the target Set. Can be populated with a fully qualified class name when defined in a Spring application context.

  Default is a linked HashSet, keeping the registration order.

  See Also:
    `LinkedHashSet`

### getObjectType

    public Class getObjectType()

  Description copied from class: `AbstractFactoryBean`
  This abstract method declaration mirrors the method in the FactoryBean interface, for a consistent offering of abstract template methods.

  Specified by:
    `getObjectType` in interface `FactoryBean`
  Specified by:
    `getObjectType` in class `AbstractFactoryBean`
  Returns:
    the type of object that this FactoryBean creates, or `null` if not known at the time of the call
  See Also:
    `FactoryBean.getObjectType()`

### createInstance

    protected Object createInstance()

  Description copied from class: `AbstractFactoryBean`
  Template method that subclasses must override to construct the object returned by this factory.

  Invoked on initialization of this FactoryBean in case of a singleton; else, on each `AbstractFactoryBean.getObject()` call.

  Specified by:
    `createInstance` in class `AbstractFactoryBean`
  Returns:
    the object returned by this factory
  See Also:
    `AbstractFactoryBean.getObject()`

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