org.das2.graph
Class DataLoader

java.lang.Object
  org.das2.graph.DataLoader

Direct Known Subclasses:

MendelbrotDataLoader, XAxisDataLoader

public abstract class DataLoader
extends java.lang.Object

Nested Class Summary

class

DataLoader.Request

Constructor Summary

protected

DataLoader(Renderer renderer)

Method Summary

protected ProgressMonitor	getMonitor(java.lang.String description)
protected RebinDescriptor	getRebinDescriptor(DasAxis axis) convenient method for getting a rebindescriptor with one bin per pixel.
protected Renderer	getRenderer()
boolean	isActive()
boolean	isFullResolution()
boolean	isReloadDataSet()
void	setActive(boolean active)
void	setFullResolution(boolean b)
void	setReloadDataSet(boolean reloadDataSet)
abstract void	update() an update message sent by the Renderer to indicate that something might have changed.

Methods inherited from class java.lang.Object

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

Constructor Detail

DataLoader

protected DataLoader(Renderer renderer)

Method Detail

getMonitor

protected ProgressMonitor getMonitor(java.lang.String description)

update

public abstract void update()

an update message sent by the Renderer to indicate that something might have changed. Presently, the axis will send an update message to the plot, the plot will send an update message to the renderer, who will send an update message to the loader. THIS WILL PROBABLY CHANGE.

isFullResolution

public boolean isFullResolution()

setFullResolution

public void setFullResolution(boolean b)

setReloadDataSet

public void setReloadDataSet(boolean reloadDataSet)

isReloadDataSet

public boolean isReloadDataSet()

getRenderer

protected Renderer getRenderer()

getRebinDescriptor

protected RebinDescriptor getRebinDescriptor(DasAxis axis)

convenient method for getting a rebindescriptor with one bin per pixel. -1 is returned by the rebinDescriptor when no bin holds the point.

isActive

public boolean isActive()

setActive

public void setActive(boolean active)