org.oreodata
Class DataEvent

java.lang.Object
  |
  +--java.util.EventObject
        |
        +--org.oreodata.DataEvent

All Implemented Interfaces:

java.io.Serializable

Direct Known Subclasses:

Transaction

public class DataEvent

extends java.util.EventObject

implements java.io.Serializable

An event that encapsulates something happening in an OreoDataSource -- the insertion, deletion or updating of a record

Author:

Jonathan Revusky

See Also:

Serialized Form

Field Summary

Record	newRecord record being added
Record	oldRecord Record being deleted or displaced
static int	RECORD_DELETED event type for deleting a record
static int	RECORD_INSERTED event type for inserting a record
static int	RECORD_UPDATED event type for replacing a record
int	type either RECORD_INSERTED, RECORD_DELETED or RECORD_UPDATED

Fields inherited from class java.util.EventObject

source

Constructor Summary

protected	DataEvent(java.lang.Object source)
	DataEvent(java.lang.Object source, int type, Record newRecord, Record oldRecord)
	DataEvent(java.lang.Object source, int type, Record newRecord, Record oldRecord, java.util.Date timeStamp) Create a new DataEvent

Method Summary

java.util.Date	getTimeStamp()
void	setSource(java.lang.Object source)

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

RECORD_INSERTED

public static final int RECORD_INSERTED

event type for inserting a record

See Also:

Constant Field Values

RECORD_DELETED

public static final int RECORD_DELETED

event type for deleting a record

See Also:

Constant Field Values

RECORD_UPDATED

public static final int RECORD_UPDATED

event type for replacing a record

See Also:

Constant Field Values

type

public final int type

either RECORD_INSERTED, RECORD_DELETED or RECORD_UPDATED

newRecord

public final Record newRecord

record being added

oldRecord

public final Record oldRecord

Record being deleted or displaced

Constructor Detail

DataEvent

public DataEvent(java.lang.Object source,
                 int type,
                 Record newRecord,
                 Record oldRecord)

DataEvent

protected DataEvent(java.lang.Object source)

DataEvent

public DataEvent(java.lang.Object source,
                 int type,
                 Record newRecord,
                 Record oldRecord,
                 java.util.Date timeStamp)

Create a new DataEvent

Parameters:

source - The OreoDataSource that is the originator of the event.

type - The type of the event, either DataEvent.RECORD_INSERTED or DataEvent.RECORD_DELETED or DataEvent.RECORD_UPDATED

newRecord - the new record in the case of an insertion or update, null in the case of a deletion.

oldRecord - the old record in the case of a deletion or an update, null in the case of an insertion.

timeStamp - a time stamp.

Method Detail

setSource

public void setSource(java.lang.Object source)

getTimeStamp

public java.util.Date getTimeStamp()