Workflow dependency injection - Guice?

[Eugene Dzhurinsky]

Hello! I know that the engine is capable of doing some DI for Spring through Spring annotations.

Can somebody please guide me on how can I implement my own DI for Guice, keeping in mind that I already have an Injector and just need to actually "get" the instance of the Workflow class from that injector, with all its wires initialized?

Thanks!

[Michael Austermann]

You just have to implement interface "org.copperengine.core.DependencyInjector" and set it on your engine - see "org.copperengine.core.common.AbstractProcessingEngine.setDependencyInjector(DependencyInjector)"

Have a look at PojoDependencyInjector.java and SpringDependencyInjector.java as examples.

Copper will call "public void inject(Workflow<?> workflow)" on the injector for each workflow instance before it is executed.

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Von: "Eugene Dzhurinsky" <jdev...@gmail.com>
An: "COPPER Engine" <copper...@googlegroups.com>
Gesendet: Sonntag, 25. September 2016 02:05:20
Betreff: [COPPER Users] Workflow dependency injection - Guice?

Hello! I know that the engine is capable of doing some DI for Spring through Spring annotations.

Can somebody please guide me on how can I implement my own DI for Guice, keeping in mind that I already have an Injector and just need to actually "get" the instance of the Workflow class from that injector, with all its wires initialized?

Thanks!

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[Eugene Dzhurinsky]

Michael, thanks! That is really helpful and easy to implement, actually.