Target: Primary annotation.
Description: Marks an annotation as a primary. A primary annotation must be the only one of it's type to annotate an element and excludes all the other primary annotations.
Primary annotations can have one of two types: pure primary and non-pure primary.
Non-pure primary annotations might be used as non-primary annotations on some contexts.
To define these contexts the programmer must supply a list of annotations to whom the annotation yields its primariness.
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Attributes:
| Name | Description | Data type | Required | Default value |
| yieldTo | The list of the FQNs of the annotations that force the primariness yielding. | String | No | None |
Examples:
/* Pure primary annotation. */
@Primary
public @interface MyAnnotation {
...
}
/* Non-pure primary annotation. */
@Primary(yieldTo = "my.package.MyOtherAnnotation")
public @interface MyAnnotation {
...
}