ECM/Fortress semantic question

[Stephen McConnell <mc...@apache.org>]

Thinking about management of ECM/Fortress semantics ...

In an excalibur logger test case there is the following code fragment:

   tc = (TestComponent)lookup( TestComponent.ROLE + "/A" );
   tc.test( getLogEnabledLogger(), "Test log entry A" );

The class in question extends the excalibur component testcase which is 
applying ECM semantics on service lookup.  In this example the string 
'TestComponent.ROLE + "/A"' maps to a "role" name which in turn maps to 
a named component.

If I ignore the mapping - is it save to assume that any "string" passed 
to an ECM/Fortress service or component manager (with the exception of 
<something>/Selector ) can be be mapped directly to a declaration of 
@avalon.dependency key=<value> where <value> is the result of the 
TestComponent.ROLE + "/A" construction?

Stephen.

-- 

Stephen J. McConnell
mailto:mcconnell@apache.org



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Re: ECM/Fortress semantic question

[Berin Loritsch <bl...@apache.org>]

Stephen McConnell wrote:

> 
> Thinking about management of ECM/Fortress semantics ...
> 
> In an excalibur logger test case there is the following code fragment:
> 
>   tc = (TestComponent)lookup( TestComponent.ROLE + "/A" );
>   tc.test( getLogEnabledLogger(), "Test log entry A" );
> 
> The class in question extends the excalibur component testcase which is 
> applying ECM semantics on service lookup.  In this example the string 
> 'TestComponent.ROLE + "/A"' maps to a "role" name which in turn maps to 
> a named component.

Actually that is Fortress semantics, but anyway I digress....

> 
> If I ignore the mapping - is it save to assume that any "string" passed 
> to an ECM/Fortress service or component manager (with the exception of 
> <something>/Selector ) can be be mapped directly to a declaration of 
> @avalon.dependency key=<value> where <value> is the result of the 
> TestComponent.ROLE + "/A" construction?
> 

Yes.  (The selector variation is <something>Selector, note the lack of the
separating "/").

-- 

"They that give up essential liberty to obtain a little temporary safety
  deserve neither liberty nor safety."
                 - Benjamin Franklin


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