it is probably a general DI question but i guess i am not in wrong place.
i just make my first guice steps and i begin to like it, but i just stumbled
on refactoring a non DI constructor to DI-style here is a general example:
before DI
public class MyClass {
private C1 c1 = new C1impl();
private C2 c2 = new C2impl();
private SomeClass parameter;
public MyClass(SomeClass parameter){
this.parameter =parameter;
...
}
...}
after DI:
public class MyClass {
private C1 c1;
private C2 c2;
private SomeClass parameter;
@Inject
public MyClass(SomeClass parameter, C1 c1, C2 c2){
this.parameter =parameter;
this.c1=c1;
this.c2=c2;
...
}
...}
Without "parameter" all would be fine (to get an instance of MyClass i would
use a Provider). But how to get a provider of MyClass (i don't want
parameter to be injected but all others).
new MyClass(parameter, providerC1.get(),providerC2.get()) does not look nice
(i want to get rid of all "new"). setting "parameter" via a setter isn't a
option if MyClass relies on a non-null "parameter". So what is best practice
to solve this problem?
thx in advance
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