Class ReflexionPopulator

java.lang.Object
dev.derklaro.reflexion.ReflexionPopulator
final class ReflexionPopulator extends Object
Internal utility class to read all java.lang.reflect members from a class and its super classes.
Since:
1.0

  • Constructor Details

    • ReflexionPopulator

      private ReflexionPopulator()

  • Method Details

    • getAllFields

      @NotNull public static @NotNull Set<Field> getAllFields(@NotNull @NotNull Class<?> declaringClass)
      Get all (declared) fields in the given class, and it's super classes.
      Parameters:
      declaringClass - the class to start the search from.
      Returns:
      all fields in the given class, and it's super classes.
      Throws:
      NullPointerException - if the given topmost class is null.

    • getAllMethods

      @NotNull public static @NotNull Set<Method> getAllMethods(@NotNull @NotNull Class<?> declaringClass)
      Get all (declared) methods in the given class, and it's super classes.
      Parameters:
      declaringClass - the class to start the search from.
      Returns:
      all methods in the given class, and it's super classes.
      Throws:
      NullPointerException - if the given topmost class is null.

    • getAllConstructors

      @NotNull public static @NotNull Set<Constructor<?>> getAllConstructors(@NotNull @NotNull Class<?> declaringClass)
      Get all (declared) constructors in the given class, and it's super classes.
      Parameters:
      declaringClass - the class to start the search from.
      Returns:
      all constructors in the given class and it's super classes.
      Throws:
      NullPointerException - if the given topmost class is null.

    • mappingHierarchyTravel

      @NotNull private static <T extends Member> @NotNull Set<T> mappingHierarchyTravel(@NotNull @NotNull Class<?> top, @NotNull @NotNull Function<Class<?>,T[]> extractor)
      Travels down the class tree beginning from the given topmost class, extracting all public and declared members from each visited class (using the given extractor functions) and collects them into a set. This method is not cached.
      Type Parameters:
      T - the type of member which gets extracted from the class tree.
      Parameters:
      top - the topmost class to start the search from.
      extractor - the extractor function for declared members.
      Returns:
      all extracted members from the class tree.
      Throws:
      NullPointerException - if the given topmost class or one of the extractor functions is null.