| AbstractBeanFactoryBasedTargetSource | Base class for TargetSource implementations that are based on a Spring BeanFactory, delegating to Spring-managed bean instances. |
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| AbstractLazyCreationTargetSource | TargetSource implementation that will lazily create a user-managed object. |
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| AbstractPoolingTargetSource | Abstract base class for pooling TargetSource implementations which maintain a pool of target instances, acquiring and releasing a target object from the pool for each method invocation. |
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| AbstractPrototypeBasedTargetSource | Base class for dynamic TargetSource implementations that create new prototype bean instances to support a pooling or new-instance-per-invocation strategy. |
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| CommonsPool2TargetSource | TargetSource implementation that holds objects in a configurable Apache Commons2 Pool. |
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| EmptyTargetSource | Canonical TargetSource when there is no target (or just the target class known), and behavior is supplied by interfaces and advisors only. |
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| HotSwappableTargetSource | TargetSource implementation that caches a local target object, but allows the target to be swapped while the application is running. |
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| LazyInitTargetSource | |
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| PrototypeTargetSource | TargetSource implementation that creates a new instance of the target bean for each request, destroying each instance on release (after each request). |
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| SimpleBeanTargetSource | Simple TargetSource implementation, freshly obtaining the specified target bean from its containing Spring BeanFactory. |
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| SingletonTargetSource | Implementation of the TargetSource interface that holds a given object. |
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| ThreadLocalTargetSource | Alternative to an object pool. |
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