Comment #7 on issue 172 by [email protected]: Enable injection after
deserialization
http://code.google.com/p/google-guice/issues/detail?id=172
Just in case it's useful to other people (this issue is still one of the
top hits for a google search of "deserialize guice injected object"), here
is one possible solution..
In the class being deserialized, mark relevant injected objects as
transient. Then:
@Inject
private static Provider<MyClass> provider;
/**
* When deserializing this object, use Guice to create an instance rather
than
* using the default behaviour of invoking Class.newInstance() which in turn
* invokes the no-args constructor. This ensures that any Guice
configuration
* occurs, including both constructor and member injection.
*/
private Object readResolve() throws ObjectStreamException {
return provider.get();
}
and in a guice module, ensure the provider field is initialised via
requestStaticInjection(MyClass.class);
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