[CAMEL-10396] Can't use parameter type to select among overloaded methods

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 2.18.0
• Fix Version/s: 2.19.0
• Component/s: camel-core

Environment

Ubuntu 14.04

• Estimated Complexity: Unknown
• Assignee: Claus Ibsen
• Reporter: Alex Dettinger
• Created: 18/Oct/16 13:30
• Updated: 08/May/17 20:38
• Resolved: 19/Feb/17 10:09

Description

I've noticed that the overload selection mechanism based on parameter types is not working when some parameters are assignable, in the sense of Class.isAssignableFrom(...).

Given those methods:

String toString(String input)
String toString(int input)

We can select both methods via bean:toString(String) or bean:toString(int)

But given those methods:

String toString(String input)
String toString(Object input)

bean:toString(String) end in selecting toString(Object).

Ideally, I would expect it to select toString(String). Otherwise, unwinding an AmbiguousCallException may perhaps apply.

Thoughts:
I'm wondering whether ObjectHelper.isOverridingMethod(...) would be mixing overload vs override.

Will attach a test case.

Issue Links

• breaks: CAMEL-11235 Simple Language: AmbiguousMethodCallException when calling method implemented by super class when method is defined by interface and abstract class
• breaks: CAMEL-11240 Simple Language: MethodNotFoundException when calling interface method implemented by super class
• links to: GitHub Pull Request #1477