org.eclipse.birt.chart.device
Class EmptyUpdateNotifier

java.lang.Object
  org.eclipse.birt.chart.device.EmptyUpdateNotifier

All Implemented Interfaces:

IUpdateNotifier

public class EmptyUpdateNotifier

extends java.lang.Object

implements IUpdateNotifier

A convenient empty update notifier doing nothing.

Constructor Summary

EmptyUpdateNotifier(Chart designModel, Chart runtimeModel)
The constructor.

Method Summary

java.lang.Object	getContext(java.lang.Object key) Returns the object from context by given key.
Chart	getDesignTimeModel() Returns an instance of the chart design-time model
Chart	getRunTimeModel() Returns an instance of the chart run-time model for the last generated instance
java.lang.Object	peerInstance() Returns an instance of the peer (component) used for device-specific actions
java.lang.Object	putContext(java.lang.Object key, java.lang.Object value) Puts specified key,value to context.
void	regenerateChart() Requests the container to regenerate the chart using the design-time model
java.lang.Object	removeContext(java.lang.Object key) Removes the entry from context by given key if exists.
void	repaintChart() Requests the container to repaint the last generated chart

Methods inherited from class java.lang.Object

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

Constructor Detail

EmptyUpdateNotifier

public EmptyUpdateNotifier(Chart designModel,
                           Chart runtimeModel)

The constructor.

Parameters:

designModel -

runtimeModel -

Method Detail

regenerateChart

public void regenerateChart()

Description copied from interface: IUpdateNotifier

Requests the container to regenerate the chart using the design-time model

Specified by:

regenerateChart in interface IUpdateNotifier

repaintChart

public void repaintChart()

Description copied from interface: IUpdateNotifier

Requests the container to repaint the last generated chart

Specified by:

repaintChart in interface IUpdateNotifier

peerInstance

public java.lang.Object peerInstance()

Description copied from interface: IUpdateNotifier

Returns an instance of the peer (component) used for device-specific actions

Specified by:

peerInstance in interface IUpdateNotifier

Returns:

An instance of the peer (component) used for device-specific actions

getDesignTimeModel

public Chart getDesignTimeModel()

Description copied from interface: IUpdateNotifier

Returns an instance of the chart design-time model

Specified by:

getDesignTimeModel in interface IUpdateNotifier

Returns:

An instance of the chart design-time model

getRunTimeModel

public Chart getRunTimeModel()

Description copied from interface: IUpdateNotifier

Returns an instance of the chart run-time model for the last generated instance

Specified by:

getRunTimeModel in interface IUpdateNotifier

Returns:

An instance of the chart run-time model for the last generated instance

getContext

public java.lang.Object getContext(java.lang.Object key)

Description copied from interface: IUpdateNotifier

Returns the object from context by given key.

Specified by:

getContext in interface IUpdateNotifier

Parameters:

key - Key object.

Returns:

putContext

public java.lang.Object putContext(java.lang.Object key,
                                   java.lang.Object value)

Description copied from interface: IUpdateNotifier

Puts specified key,value to context.

Specified by:

putContext in interface IUpdateNotifier

Parameters:

key - Key object.

value - Value object.

Returns:

The previous value associated with given key.

removeContext

public java.lang.Object removeContext(java.lang.Object key)

Description copied from interface: IUpdateNotifier

Removes the entry from context by given key if exists.

Specified by:

removeContext in interface IUpdateNotifier

Parameters:

key - Key object.

Returns:

The previous value associated with given key