Hi
JAX-RS specification referes to singletons a number of time, that is, a singleton life cycle is given some prominent
attention in the specification. Yet, there's no related annotation availbale in the API - different JAX-RS implementations use
private techniques to mark a given root resource class as a singleton.
My concern is that given that root resources are likely be singletons more often than not, it won't be possible to write even a
basic resource implementation which will work reliably (as a singleton) across multiple implementations. As such I'd like to suggest
that a common @Singleton annotation is introduced in the API. This way, the (singleton) resource class, injected as a singleton bean
by a IOC framework, or instantiated by the runtime (in which case @Singleton will be noticed), will be a true singleton across
multiple implementations...
Cheers, Sergey
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