IT. Expert System.

All Known Implementing Classes:

AccessibleObject, Class, Constructor, Field, Method, Package

public interface AnnotatedElement

Since:

1.5

• Method Summary

  Methods

  Modifier and Type	Method and Description
  <T extends Annotation> T	getAnnotation(Class<T> annotationType) Returns, for this element, the annotation with the specified type, or null if no annotation with the specified type is present (including inherited annotations).
  Annotation[]	getAnnotations() Returns, for this element, an array containing all annotations (including inherited annotations).
  Annotation[]	getDeclaredAnnotations() Returns, for this element, all annotations that are explicitly declared (not inherited).
  boolean	isAnnotationPresent(Class<? extends Annotation> annotationType) Indicates whether or not this element has an annotation with the specified annotation type (including inherited annotations).

• Method Detail

  • getAnnotation

    <T extends Annotation> T getAnnotation(Class<T> annotationType)

    Returns, for this element, the annotation with the specified type, or null if no annotation with the specified type is present (including inherited annotations).

    Parameters:

    annotationType - the type of the annotation to search for

    Returns:

    the annotation with the specified type or null

    Throws:

    NullPointerException - if annotationType is null

  • getAnnotations

    Annotation[] getAnnotations()

    Returns, for this element, an array containing all annotations (including inherited annotations). If there are no annotations present, this method returns a zero length array.

    Returns:

    an array of all annotations for this element

  • getDeclaredAnnotations

    Annotation[] getDeclaredAnnotations()

    Returns, for this element, all annotations that are explicitly declared (not inherited). If there are no declared annotations present, this method returns a zero length array.

    Returns:

    an array of annotations declared for this element

  • isAnnotationPresent

    boolean isAnnotationPresent(Class<? extends Annotation> annotationType)

    Indicates whether or not this element has an annotation with the specified annotation type (including inherited annotations).

    Parameters:

    annotationType - the type of the annotation to search for

    Returns:

    true if the annotation exists, false otherwise

    Throws:

    NullPointerException - if annotationType is null