trip.spi.helpers.FieldQualifierExtractor Maven / Gradle / Ivy

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package trip.spi.helpers;

import java.lang.annotation.Annotation;
import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.List;

public interface FieldQualifierExtractor {

	default List> extractQualifiersFrom(Field field) {
		final List> anns = new ArrayList<>();
		for ( final Annotation ann : field.getAnnotations() )
			if ( isAnnotatedWithQualifierAnnotation( ann.annotationType() ) )
				anns.add( ann.annotationType() );
		return anns;
	}

	boolean isAnnotatedWithQualifierAnnotation(Class ann);

	boolean isASingleElementProvider( Field field );

	boolean isAManyElementsProvider( Field field );
}