kendal.annotations.Clone Maven / Gradle / Ivy
package kendal.annotations;
import java.lang.annotation.ElementType;
import java.lang.annotation.Target;
import javax.annotation.Generated;
/**
* Applied to a method creates new method with name from {@link #methodName()} and list of parameters same as original method.
* Generated method calls the original method, passes the result to an instance of {@link #transformer()}
* and returns transformed value.
* Return type of generated method is extracted from declaration of {@link #transformer()} class.
*/
@Target({ElementType.METHOD, ElementType.ANNOTATION_TYPE})
public @interface Clone {
Class transformer();
/**
* Java does not allow putting {@link java.lang.annotation.Annotation}, which is the base type for all annotations, as annotation member.
* Let's just use this field as if it was defined.
* We remove onMethod parameter from AST after processing @Clone usage.
* /
// Annotation[] onMethod() default {};
/**
* Name of the generated method.
* Defaults to original method name + "Clone" suffix
* */
String methodName() default "";
interface Transformer {
R transform(T input);
}
}