I was wondering If I can check on the Injector if an instance of some
class/interface was already or
have a method that does only return the instance if it was already created.
Why I need this:
In the shutdown of my integration tests I clean up all instances in the
Service that I am testing.
In most of the tests however some dependencies (TimeoutManager) are never
instaniated but will now in the shutdown code only to destroy them right
afterwards, this takes some time and causes exceptions and a lot of
confusing output in the test log.
/**
>
> * Called by junit after each integration test.
>
> */
>
> @After
>
> public final void afterIntegrationTest() {
>
>
>
> if (service != null) {
>>
>> service.destroy();
>>
>> }
>>
>>
>>
>> // more shutdow
>
}
>
>
private void tryCloseInstances() {
>
> // current code
> TimeoutManager timeoutManager =
>> injector.getInstance(TimeoutManager.class);
>
> AutoCloseables.tryClose(timeoutManager);
>
>
// what i would like to do
> TimeoutManager timeoutManager =
> injector.getInstanceOnlyIfCreated(TimeoutManager.class);
AutoCloseables.tryCloseIfNotNull(timeoutManager);
}
>
>
Br
David L.
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