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The following interface defines two overloaded methods. Both take one parameter where one is of type "java.util.Collection", the other one of "java.util.Set":
public interface MyService {
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void run(Collection<String> values);
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void run(Set<Integer> values);
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}
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Furthermore a decorator is defined:
@Decorator
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public interface MyServiceDecorator {
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@Inject @Delegate
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private MyService delegate;
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void run(Collection<String> values) {
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delegate.run(values);
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}
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void run(Set<Integer> values) {
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delegate.run(values);
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}
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}
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A client injects an instance of MyService and invokes "run" using a Set of integer values:
@Inject
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private MyService myService;
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...
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Set<Integer> values = new HashSet<>();
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myService.run(values);
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...
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It can be observed that the method " void run(Collection<String> values)" is invoked on the decorator - which is wrong. Changing the order of the method declarations in the interface MyService "solves" the problem.
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