Package spoon.reflect.meta

Interface RoleHandler

  • public interface RoleHandler
    Enables client code to get and set a field based on a role for a CtElement. One obtains instances of RoleHandler using the methods of RoleHandlerHelper. There is one role handler per role of CtRole, they are set by RoleHandlerHelper.

    • Method Detail

      • getValue

        <T,​U> U getValue​(T element)
        Parameters:
        element - a element from which the value will be get for this role
        Returns:
        a value of the element on the role defined by getRole()

      • setValue

        <T,​U> void setValue​(T element,
                          U value)
        Parameters:
        element - a element whose value will be set for this role
        value - new value, which will be assigned to the element's attribute defined by role defined by getRole()

      • getRole

        CtRole getRole()
        Returns:
        the role handled by this handler

      • getTargetType

        Class<?> getTargetType()
        Returns:
        the type of the class, which this handler can be applied to (eg CtMethod)

      • getValueClass

        Class<?> getValueClass()
        Returns:
        the type of returned value defined by getRole()

      • getContainerKind

        ContainerKind getContainerKind()
        Returns:
        the container kind, to know whether an element, a list, a map, etc is returned.

      • asCollection

        <T,​U> Collection<U> asCollection​(T element)
        Returns:
        a value for this role adapted as a modifiable Collection

      • asSet

        <T,​U> Set<U> asSet​(T element)
        Returns:
        a value for this role adapted as a modifiable Set

      • asList

        <T,​U> List<U> asList​(T element)
        Returns:
        a value for this role adapted as a modifiable List

      • asMap

        <T,​U> Map<String,​U> asMap​(T element)
        Returns:
        a value for this role adapted as a modifiable Map