[arquillian-issues] [JBoss JIRA] Resolved: (ARQ-218) ServiceLoader should support Default implementations

[Aslak Knutsen (JIRA)]

     [ https://jira.jboss.org/browse/ARQ-218?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Aslak Knutsen resolved ARQ-218.
-------------------------------

    Resolution: Done


> ServiceLoader should support Default implementations
> ----------------------------------------------------
>
>                 Key: ARQ-218
>                 URL: https://jira.jboss.org/browse/ARQ-218
>             Project: Arquillian
>          Issue Type: Feature Request
>          Components: Runtime Enricher SPI
>    Affects Versions: 1.0.0.Alpha2
>            Reporter: Aslak Knutsen
>            Priority: Minor
>             Fix For: 1.0.0.Beta1
>
>
> The ServiceLoader.onlyOne fails if no implementation found. In some cases Arquillian will provide a default implementation but it should still be overridable from the outside. 
> Add onlyOne(Interface spi, Class defaultImpl)

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