Package export.swing

Class ExportTask

java.lang.Object

offlineProcessing.OfflineTask<PamDataUnit<?,?>>

export.swing.ExportTask

public class ExportTask
extends OfflineTask<PamDataUnit<?,?>>

Export data to a file type.

Author:

Jamie Macaulay

Constructor Summary

Constructors

Constructor	Description
ExportTask(PamDataBlock<PamDataUnit<?,?>> parentDataBlock, PamExporterManager exporter)

Method Summary

Modifier and Type	Method	Description
boolean	callSettings()	Call any task specific settings
boolean	canExport(int exportSelection)	Set whether the task can export based on the current selection
boolean	canRun()	can the task be run ? This will generally be true, but may be false if the task is dependent on some other module which may not be present.
String	getName()
boolean	hasSettings()	task has settings which can be called
void	loadedDataComplete()	Called when processing of loaded data, or each map point worth of data, is complete.
void	newDataLoad(long startTime, long endTime, OfflineDataMapPoint mapPoint)	Called when new data are loaded for offline processing (or once at the start of processing loaded data).
void	prepareTask()	Called at the start of the thread which executes this task.
boolean	processDataUnit(PamDataUnit<?,?> dataUnit)	Process a single data unit.

Methods inherited from class offlineProcessing.OfflineTask

addAffectedDataBlock, addRequiredDataBlock, addRequiredDataBlock, addRequiredDataBlock, completeTask, deleteOldData, deleteOldOutput, getAffectedBlocksList, getAffectedDataBlock, getDataBlock, getLongName, getNumAffectedDataBlocks, getNumRequiredDataBlocks, getOfflineTaskGroup, getRequiredDataBlock, getTaskControlledUnit, getUnitName, getUnitType, isDoRun, setDoRun, setOfflineTaskGroup, setParentDataBlock

Methods inherited from class java.lang.Object

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

Constructor Details

ExportTask

public ExportTask(PamDataBlock<PamDataUnit<?,?>> parentDataBlock,
 PamExporterManager exporter)

Method Details

prepareTask

public void prepareTask()

Called at the start of the thread which executes this task.

Overrides:

prepareTask in class OfflineTask<PamDataUnit<?,?>>

getName

public String getName()

Specified by:

getName in class OfflineTask<PamDataUnit<?,?>>

Returns:

a name for the task, to be displayed in the dialog.

processDataUnit

public boolean processDataUnit(PamDataUnit<?,?> dataUnit)

Description copied from class: OfflineTask

Process a single data unit.

Specified by:

processDataUnit in class OfflineTask<PamDataUnit<?,?>>

Returns:

true if the data unit has changed in some way so that it will need re-writing to it's binary file or database.

newDataLoad

public void newDataLoad(long startTime,
 long endTime,
 OfflineDataMapPoint mapPoint)

Description copied from class: OfflineTask

Called when new data are loaded for offline processing (or once at the start of processing loaded data).

Specified by:

newDataLoad in class OfflineTask<PamDataUnit<?,?>>

Parameters:

startTime - start time of loaded data

endTime - end time of loaded data

loadedDataComplete

public void loadedDataComplete()

Description copied from class: OfflineTask

Called when processing of loaded data, or each map point worth of data, is complete.

Specified by:

loadedDataComplete in class OfflineTask<PamDataUnit<?,?>>

hasSettings

public boolean hasSettings()

task has settings which can be called

Overrides:

hasSettings in class OfflineTask<PamDataUnit<?,?>>

Returns:

true or false

callSettings

public boolean callSettings()

Call any task specific settings

Overrides:

callSettings in class OfflineTask<PamDataUnit<?,?>>

Returns:

true if settings may have changed.

canExport

public boolean canExport(int exportSelection)

Set whether the task can export based on the current selection

Parameters:

exportSelection - - the index of the selected exporter

canRun

public boolean canRun()

Description copied from class: OfflineTask

can the task be run ? This will generally be true, but may be false if the task is dependent on some other module which may not be present.

Overrides:

canRun in class OfflineTask<PamDataUnit<?,?>>

Returns:

true if it's possible to run the task.