Some of my modules require a binding from another module. I want to set up
a requireBinding in the dependent modules' configure() method, but it
doesn't seem to be working for me. Here is an example of what I am doing:
@BindingAnnotation
@Target([FIELD, PARAMETER, METHOD])
@Retention(RUNTIME)
@interface MyMap {
}
class ModuleA extends AbstractModule {
protected void configure() {
}
@Provides
@Singleton
@MyMap
static def Map<String, String> myMap() {
ImmutableMap.copyOf(
[A: 'val1',
B: 'val2']
)
}
}
class ModuleB extends AbstractModule {
protected void configure() {
requireBinding(Key.get(Map, MyMap))
bind Foo
}
}
class ModuleIT extends Specification {
def 'Test module configuration'() {
setup:
def injector = Guice.createInjector new ModuleA(), new ModuleB()
when:
def result = injector.getInstance Foo
then:
result instanceof Foo
result.someMap instanceof Map<String, String>
}
}
This results in an error when createInjector is called:
com.google.inject.CreationException: Unable to create injector, see the
following errors:
1) No implementation for java.util.Map annotated with interface a.b.c.MyMap
was bound.
On the other hand, it works fine if I don't specify requreBinding.
However, since this dependent module has no notion of the map that is
bound, I want to ensure that the binding is present when the dependent
module is created.
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