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SUMMARY: REQUIRED | OPTIONAL | DETAIL: ELEMENT |
@Retention(value=RUNTIME) @Target(value={METHOD,FIELD,PARAMETER}) public @interface Optional
Marker annotation indicating that an instance variable or method marked with Inject
is not required to be present at run-time. If the service is not present, there will be no error and
injection will not be performed.
Example:
@Inject @Optional MyContract myOptionalService;
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SUMMARY: REQUIRED | OPTIONAL | DETAIL: ELEMENT |