oracle.dss.util
Class DataChangedEvent

java.lang.Object
  java.util.EventObject
      oracle.dss.util.ModelEvent
          oracle.dss.util.DataChangedEvent

All Implemented Interfaces:

java.io.Serializable

public class DataChangedEvent
extends ModelEvent

Describes a change to data. Data providers fire this event to notify views of changes to data. Views listen for this event to know when to repaint.

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Serialized Form

Field Summary

protected int	changeType
static int	DRILL_CHANGE The data has been drilled.
static int	LAYER_METADATA_CHANGE The data has been updated by layer metadata being set.
static int	PAGE_CHANGE The current page has changed.
protected boolean	pageDirty
static int	PIVOT_CHANGE The data has been pivoted.
protected DataAccess	provider
static int	SEL_CHANGE A selection has changed.
static int	SETSTATE_CHANGE The data has been updated by state being set.
static int	UNKNOWN_CHANGE The nature of the change is unknown.

Fields inherited from class oracle.dss.util.ModelEvent

columnDirty, dataDirty, rowDirty

Fields inherited from class java.util.EventObject

source

Constructor Summary

DataChangedEvent(java.lang.Object source, DataAccess dp, boolean data, boolean row, boolean column, boolean page)
Constructor that does not specify the type of change.

DataChangedEvent(java.lang.Object source, DataAccess dp, int type, boolean data, boolean row, boolean column, boolean page)
Constructor that specifies the type of change.

Method Summary

DataAccess	getDataAccess() Retrieves the DataAccess that provides access to the changed data.
int	getType() Retrieves the type of change that has occurred.
boolean	isPageDirty() Indicates whether anything in the page edge has changed.
void	setDataAccess(DataAccess da) Specifies a DataAccess for this event.

Methods inherited from class oracle.dss.util.ModelEvent

isColumnDirty, isDataDirty, isRowDirty

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

UNKNOWN_CHANGE

public static final int UNKNOWN_CHANGE

The nature of the change is unknown.

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Constant Field Values

PAGE_CHANGE

public static final int PAGE_CHANGE

The current page has changed.

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Constant Field Values

DRILL_CHANGE

public static final int DRILL_CHANGE

The data has been drilled.

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Constant Field Values

PIVOT_CHANGE

public static final int PIVOT_CHANGE

The data has been pivoted.

See Also:

Constant Field Values

SEL_CHANGE

public static final int SEL_CHANGE

A selection has changed.

See Also:

Constant Field Values

SETSTATE_CHANGE

public static final int SETSTATE_CHANGE

The data has been updated by state being set.

See Also:

Constant Field Values

LAYER_METADATA_CHANGE

public static final int LAYER_METADATA_CHANGE

The data has been updated by layer metadata being set.

See Also:

Constant Field Values

pageDirty

protected boolean pageDirty

changeType

protected int changeType

provider

protected DataAccess provider

Constructor Detail

DataChangedEvent

public DataChangedEvent(java.lang.Object source,
                        DataAccess dp,
                        boolean data,
                        boolean row,
                        boolean column,
                        boolean page)

Constructor that does not specify the type of change.

Parameters:

source - The source of this event.

dp - The DataAccess that provides access to the changed data.

data - true if the data (including any types of data specified in the DataMap) has changed, false if not.

row - true if anything in the row edge has changed, false if not.

column - true if anything in the column edge has changed, false if not.

page - true if anything in the page edge has changed, false if not.

DataChangedEvent

public DataChangedEvent(java.lang.Object source,
                        DataAccess dp,
                        int type,
                        boolean data,
                        boolean row,
                        boolean column,
                        boolean page)

Constructor that specifies the type of change.

Parameters:

source - The source of this event.

dp - The DataAccess that provides access to the changed data.

type - A constant that represents the type of change that has occurred.

data - true if the data (including any types of data specified in the DataMap) has changed, false if not.

row - true if anything in the row edge has changed, false if not.

column - true if anything in the column edge has changed, false if not.

page - true if anything in the page edge has changed, false if not.

Method Detail

setDataAccess

public void setDataAccess(DataAccess da)

Specifies a DataAccess for this event.

Parameters:

da - The DataAccess that provides access to the changed data.

getDataAccess

public DataAccess getDataAccess()

Retrieves the DataAccess that provides access to the changed data.

Returns:

The DataAccess that provides access to the changed data.

isPageDirty

public boolean isPageDirty()

Indicates whether anything in the page edge has changed.

Returns:

true if anything in the page edge has changed, false if not.

getType

public int getType()

Retrieves the type of change that has occurred.

Returns:

A constant that represents the type of change that has occurred.