Package de.gsi.dataset.event

Class UpdateEvent

  • All Implemented Interfaces:
    java.io.Serializable
    Direct Known Subclasses:
    InvalidatedEvent, UpdatedDataEvent, UpdatedMetaDataEvent
    public class UpdateEvent
extends java.util.EventObject
    Event class that is passed along the notification performed by the EventSource class. The class is intended to be further extended by named derivatives to allow for context-based event filters.
    Author:
    rstein
    See Also:
    for details, Serialized Form

    • Field Summary

      • Fields inherited from class java.util.EventObject

        source

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      java.lang.String getMessage()  
      java.lang.Object getPayLoad()  

      • Methods inherited from class java.util.EventObject

        getSource, toString

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

    • Constructor Detail

      • UpdateEvent

        public UpdateEvent​(EventSource source)
        generates new update event
        Parameters:
        source - the class issuing the event

      • UpdateEvent

        public UpdateEvent​(EventSource source,
                   java.lang.String msg)
        generates new update event
        Parameters:
        source - the class issuing the event
        msg - a customised message to be passed along (e.g. for debugging)

      • UpdateEvent

        public UpdateEvent​(EventSource source,
                   java.lang.String msg,
                   java.lang.Object payload)
        generates new update event
        Parameters:
        source - the class issuing the event
        msg - a customised message to be passed along (e.g. for debugging)
        payload - a customised user pay-load to be passed to the listener

    • Method Detail

      • getMessage

        public java.lang.String getMessage()
        Returns:
        a customised message to be passed along (e.g. for debugging)

      • getPayLoad

        public java.lang.Object getPayLoad()
        Returns:
        a customised user pay-load to be passed to the listener