de.lmu.ifi.dbs.elki.database
Class DatabaseEvent

java.lang.Object
  java.util.EventObject
      de.lmu.ifi.dbs.elki.database.DatabaseEvent

All Implemented Interfaces:

Serializable

public class DatabaseEvent
extends EventObject

Encapsulates information describing changes, i.e. updates, insertions, or deletions to a database, and used to notify database listeners of the change.

Author:

Elke Achtert

See Also:

Serialized Form

Field Summary

private List<Integer>	objectIDs The ids of the database object that have been changed, i.e. updated, inserted or deleted.
private static long	serialVersionUID Serialization ID since Java EventObjects are expected to be serializable.

Fields inherited from class java.util.EventObject

source

Constructor Summary

DatabaseEvent(Database<? extends DatabaseObject> source, List<Integer> objectIDs)
Used to create an event when database objects have been updated, inserted, or removed.

Method Summary

List<Integer>

getObjectIDs() Returns the database object that have been changed.

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

Serialization ID since Java EventObjects are expected to be serializable.

See Also:

Constant Field Values

objectIDs

private List<Integer> objectIDs

The ids of the database object that have been changed, i.e. updated, inserted or deleted.

Constructor Detail

DatabaseEvent

public DatabaseEvent(Database<? extends DatabaseObject> source,
                     List<Integer> objectIDs)

Used to create an event when database objects have been updated, inserted, or removed.

Parameters:

source - the database responsible for generating the event

objectIDs - the ids of the database objects that have been changed

Method Detail

getObjectIDs

public List<Integer> getObjectIDs()

Returns the database object that have been changed.

Returns:

the database object that have been changed