oracle.dss.dataSource.common
Class DataChangedEvent

java.lang.Object
  |
  +--java.util.EventObject
        |
        +--oracle.dss.dataSource.common.QueryEvent
              |
              +--oracle.dss.dataSource.common.DataChangeEvent
                    |
                    +--oracle.dss.dataSource.common.DataChangedEvent

All Implemented Interfaces:

java.lang.Cloneable, java.io.Serializable

public class DataChangedEvent

extends DataChangeEvent

Informs listeners when data, metadata, or both have changed (that is, when one or more pending operations have been flushed from the queue and have returned successfully).

See Also:

Serialized Form

Constructor Summary

DataChangedEvent(java.lang.Object source, boolean dataChanged, java.util.BitSet metadataChanged, int changeType, DataAccess cur)
Constructor to use when the Query object knows something about what changed.

DataChangedEvent(java.lang.Object source, int changeType, DataAccess cur)
Constructor to use when the extent of the changes may be unknown and the listener should assume that the entire cube has changed.

Method Summary

DataAccess	getDataAccess() Retrieves a reference to the new DataAccess cursor.
java.util.BitSet	getMetadataChanged() Retrieves a set of flags that indicate which, if any, metadata cursors (edges) changed.

Methods inherited from class oracle.dss.dataSource.common.DataChangeEvent

getChangeType, isDataChanged

Methods inherited from class oracle.dss.dataSource.common.QueryEvent

clone

Methods inherited from class java.util.EventObject

getSource, toString

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

DataChangedEvent

public DataChangedEvent(java.lang.Object source,
                        int changeType,
DataAccess cur)

Constructor to use when the extent of the changes may be unknown and the listener should assume that the entire cube has changed.

Parameters:

source - The object that fired the event.

changeType - A constant that indicates the type of operation that changed the data. Valid constants are listed in the See Also section.

cur - Reference to the new cursor object.

See Also:

DataChangedEvent.DRILL_CHANGE, DataChangedEvent.PAGE_CHANGE, DataChangedEvent.PIVOT_CHANGE, DataChangedEvent.SEL_CHANGE, DataChangedEvent.UNKNOWN_CHANGE

DataChangedEvent

public DataChangedEvent(java.lang.Object source,
                        boolean dataChanged,
                        java.util.BitSet metadataChanged,
                        int changeType,
DataAccess cur)

Constructor to use when the Query object knows something about what changed.

Parameters:

source - The source of the event, that is, a reference to the object that fired the event.

dataChanged - true if data has changed, false if not.

metadataChanged - Variable that lists the changed edge or edges of the cursor. To create this variable, you can use the constants ROW_EDGE, COLUMN_EDGE, or PAGE_EDGE in oracle.dss.util.DataDirector.

changeType - A constant that indicates the type of operation that changed the data. Valid constants are listed in the See Also section.

cur - Reference to the new cursor object.

See Also:

DataDirector.COLUMN_EDGE, DataDirector.ROW_EDGE, DataDirector.PAGE_EDGE, DataChangedEvent.DRILL_CHANGE, DataChangedEvent.PAGE_CHANGE, DataChangedEvent.PIVOT_CHANGE, DataChangedEvent.SEL_CHANGE, DataChangedEvent.UNKNOWN_CHANGE

Method Detail

getMetadataChanged

public java.util.BitSet getMetadataChanged()

Retrieves a set of flags that indicate which, if any, metadata cursors (edges) changed.

Returns:

Set of flags that indicate the edges that changed.

getDataAccess

public DataAccess getDataAccess()

Retrieves a reference to the new DataAccess cursor.

Returns:

Reference to the new DataAccess cursor.