An example using CDI to provide multiple implementations of an interface.

ExampleCDISPI.java

@Inject
    private Instance<IPropagationModel> providerSource;
 
    public ProviderLister() {
    }
 
    public List<String> getProviderList() {
        List<String> names = new ArrayList<String>();
 
        for (IPropagationModel provider : providerSource) {
            names.add(provider.getName());
        }
 
        return names;
    }