Class AnnotationMethodResolver

java.lang.Object
org.springframework.batch.support.AnnotationMethodResolver
All Implemented Interfaces:
MethodResolver

public class AnnotationMethodResolver extends Object implements MethodResolver
MethodResolver implementation that finds a single Method on the given Class that contains the specified annotation type.
Author:
Mark Fisher
  • Constructor Details

    • AnnotationMethodResolver

      public AnnotationMethodResolver(Class<? extends Annotation> annotationType)
      Create a MethodResolver for the specified Method-level annotation type.
      Parameters:
      annotationType - establish the annotation to be used.
  • Method Details

    • findMethod

      @Nullable public Method findMethod(Object candidate)
      Find a single Method on the Class of the given candidate object that contains the annotation type for which this resolver is searching.
      Specified by:
      findMethod in interface MethodResolver
      Parameters:
      candidate - the instance whose Class will be checked for the annotation
      Returns:
      a single matching Method instance or null if the candidate's Class contains no Methods with the specified annotation
      Throws:
      IllegalArgumentException - if more than one Method has the specified annotation
    • findMethod

      @Nullable public Method findMethod(Class<?> clazz)
      Find a single Method on the given Class that contains the annotation type for which this resolver is searching.
      Specified by:
      findMethod in interface MethodResolver
      Parameters:
      clazz - the Class instance to check for the annotation
      Returns:
      a single matching Method instance or null if the Class contains no Methods with the specified annotation
      Throws:
      IllegalArgumentException - if more than one Method has the specified annotation