Package de.gmxhome.conrad.jpos.jpos_base.remoteorderdisplay

Class ClearVideoRegion

java.lang.Object

de.gmxhome.conrad.jpos.jpos_base.JposOutputRequest

de.gmxhome.conrad.jpos.jpos_base.UnitOutputRequest

de.gmxhome.conrad.jpos.jpos_base.remoteorderdisplay.PositionBase

de.gmxhome.conrad.jpos.jpos_base.remoteorderdisplay.AreaBase

de.gmxhome.conrad.jpos.jpos_base.remoteorderdisplay.ClearVideoRegion

All Implemented Interfaces:

Runnable

Direct Known Subclasses:

DrawBox, UpdateVideoRegionAttribute

public class ClearVideoRegion
extends AreaBase

Output request executor for RemoteOrderDisplay method ClearVideoRegion and base for method CopyVideoRegion.

Nested Class Summary

Nested classes/interfaces inherited from class de.gmxhome.conrad.jpos.jpos_base.JposOutputRequest

JposOutputRequest.JposRequestThread

Field Summary

Fields inherited from class de.gmxhome.conrad.jpos.jpos_base.JposOutputRequest

Abort, AdditionalData, Device, EndSync, Exception, Finished, OutputID, Props, Waiting

Constructor Summary

Constructors

Constructor	Description
ClearVideoRegion(JposCommonProperties props, int units, int row, int column, int height, int width, int attribute)	Constructor.

Method Summary

Modifier and Type	Method	Description
int	getAttributes()	Retrieves parameter attribute of method ClearVideoRegion.
void	invoke()	Invokes the command.

Methods inherited from class de.gmxhome.conrad.jpos.jpos_base.remoteorderdisplay.AreaBase

checkAreaValid, getHeight, getWidth

Methods inherited from class de.gmxhome.conrad.jpos.jpos_base.remoteorderdisplay.PositionBase

checkPositionValid, getColumn, getRow

Methods inherited from class de.gmxhome.conrad.jpos.jpos_base.UnitOutputRequest

checkUnitsOnline, clearOutput, createErrorEvent, getUnits

Methods inherited from class de.gmxhome.conrad.jpos.jpos_base.JposOutputRequest

abortCommand, abortCommand, catchedInvocation, clearAll, clearInput, countCommands, createIdleEvent, createOutputEvent, dequeue, enqueue, enqueueSynchronous, finishAsyncProcessing, finished, reactivate, reactivate, reset, run

Methods inherited from class java.lang.Object

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

Constructor Details

ClearVideoRegion

public ClearVideoRegion(JposCommonProperties props,
 int units,
 int row,
 int column,
 int height,
 int width,
 int attribute)

Constructor. Stores given parameters for later use.

Parameters:

props - Property set of device service.

units - Bitwise mask indicating which video unit(s) to operate on.

row - Upper row of the specified region.

column - Left column of the specified region.

height - Height of the specified region.

width - Width of the specified region.

attribute - VGA-like attribute parameter, see UPOS specification, chapter Remote Order Display - General Information - Model.

Method Details

getAttributes

public int getAttributes()

Retrieves parameter attribute of method ClearVideoRegion. see UPOS specification, chapter Remote Order Display - General Information - Model: Blinking flag, intensity flag, background and foreground color flags.

Returns:

Value of method parameter attribute.

invoke

public void invoke()
            throws jpos.JposException

Description copied from class: JposOutputRequest

Invokes the command. Must be implemented in derived class. Calls finished() to wake up potentially waiting threads.

Overrides:

invoke in class JposOutputRequest

Throws:

jpos.JposException - JposException thrown by the command to be executed.