Comment #1 on issue 746 by [email protected]: Original initialized instance
values get lost after gucie injection
http://code.google.com/p/google-guice/issues/detail?id=746
Calling injector.injectMembers(instance) asks Guice inject any fields or
setter methods in the instance that are declared with @Inject. Guice has no
way to know that these fields have already been injected, for example they
could have default values that should be overwritten by the configured
value.
The safest way to avoid this kind of re-injection, when you're using
multiple injection frameworks to configure the same instance, is to use
constructor injection for the primary properties. You can then use setter
or field injection for any secondary properties supplied by the other
framework.
If constructor injection is not an option then you could always use setter
injection, and put a guard condition in your setter methods to ignore
subsequent calls.
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