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

[Aslak Knutsen (JIRA)]

ServiceLoader should support Default implementations
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                 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


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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