org.mapfish.print.map

Class MapTileTask

java.lang.Object

org.mapfish.print.map.MapTileTask

All Implemented Interfaces:

OrderedResultsExecutor.Task<MapTileTask>

Direct Known Subclasses:

MapTileTask.RenderOnly

public abstract class MapTileTask
extends java.lang.Object
implements OrderedResultsExecutor.Task<MapTileTask>

Task for loading and rendering a tile.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	MapTileTask.RenderOnly Task for rending something (no loading needed)

Constructor Summary

Constructors

Constructor and Description
MapTileTask()

Method Summary

Modifier and Type	Method and Description
boolean	handleException(RenderingContext context)
MapTileTask	process() Called in parallel and in random order to do the processing.
protected abstract void	readTile() Do the reading.
protected abstract void	renderOnPdf(com.itextpdf.text.pdf.PdfContentByte dc) Do the rendering.

Methods inherited from class java.lang.Object

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

Constructor Detail

MapTileTask

public MapTileTask()

Method Detail

process

public MapTileTask process()

Description copied from interface: OrderedResultsExecutor.Task

Called in parallel and in random order to do the processing. The implementation must be thread safe.

Specified by:

process in interface OrderedResultsExecutor.Task<MapTileTask>

Returns:

The result of the task.

handleException

public boolean handleException(RenderingContext context)

readTile

protected abstract void readTile()
                          throws java.io.IOException,
                                 com.itextpdf.text.DocumentException

Do the reading.

Everything called from here must be thread safe!

Throws:

java.io.IOException

com.itextpdf.text.DocumentException

renderOnPdf

protected abstract void renderOnPdf(com.itextpdf.text.pdf.PdfContentByte dc)
                             throws com.itextpdf.text.DocumentException

Do the rendering.

Throws:

com.itextpdf.text.DocumentException