Class ListEvent<E>

  • Type Parameters:
    E - The type of elements contained in the list.
    All Implemented Interfaces:
    com.globalmentor.event.Event, GuiseEvent, java.io.Serializable

    public class ListEvent<E>
    extends CollectionEvent<E>
    An event indicating a list has been modified. If a single element was replaced both an added and removed element will be provided. If neither an added nor a removed element are provided, the event represents a general list modification.
    Author:
    Garret Wilson
    See Also:
    Serialized Form
    • Field Summary

      • Fields inherited from class java.util.EventObject

        source
    • Constructor Summary

      Constructors 
      Constructor Description
      ListEvent​(java.lang.Object source)
      Source constructor for general list modification.
      ListEvent​(java.lang.Object source, int index, E addedElement, E removedElement)
      Source constructor for an added and/or removed element.
    • Constructor Detail

      • ListEvent

        public ListEvent​(java.lang.Object source)
        Source constructor for general list modification.
        Parameters:
        source - The object on which the event initially occurred.
        Throws:
        java.lang.NullPointerException - if the given source is null.
      • ListEvent

        public ListEvent​(java.lang.Object source,
                         int index,
                         E addedElement,
                         E removedElement)
        Source constructor for an added and/or removed element.
        Parameters:
        source - The object on which the event initially occurred.
        index - The index at which an element was added and/or removed, or -1 if the index is unknown.
        addedElement - The element that was added to the list, or null if no element was added or it is unknown whether or which elements were added.
        removedElement - The element that was removed from the list, or null if no element was removed or it is unknown whether or which elements were removed.
        Throws:
        java.lang.NullPointerException - if the given source is null.
    • Method Detail

      • getIndex

        public int getIndex()
        Returns:
        The index at which an element was added and/or removed, or -1 if the index is unknown.