org.springframework.context
Class ApplicationEvent

java.lang.Object
  extended by java.util.EventObject
      extended by org.springframework.context.ApplicationEvent
All Implemented Interfaces:
java.io.Serializable
Direct Known Subclasses:
ApplicationContextEvent, RequestHandledEvent

public abstract class ApplicationEvent
extends java.util.EventObject

Class to be extended by all application events. Abstract as it doesn't make sense for generic events to be published directly.

Author:
Rod Johnson, Juergen Hoeller
See Also:
Serialized Form

Field Summary
private static long serialVersionUID
          use serialVersionUID from Spring 1.2 for interoperability
private  long timestamp
          System time when the event happened
 
Fields inherited from class java.util.EventObject
source
 
Constructor Summary
ApplicationEvent(java.lang.Object source)
          Create a new ApplicationEvent.
 
Method Summary
 long getTimestamp()
          Return the system time in milliseconds when the event happened.
 
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
 

Field Detail

serialVersionUID

private static final long serialVersionUID
use serialVersionUID from Spring 1.2 for interoperability

See Also:
Constant Field Values

timestamp

private final long timestamp
System time when the event happened

Constructor Detail

ApplicationEvent

public ApplicationEvent(java.lang.Object source)
Create a new ApplicationEvent.

Parameters:
source - the component that published the event (never null)
Method Detail

getTimestamp

public final long getTimestamp()
Return the system time in milliseconds when the event happened.