org.geotools.gce.imagemosaic

Class ImageMosaicDirectoryWalker

Object

ImageMosaicDirectoryWalker

All Implemented Interfaces:

Runnable

public class ImageMosaicDirectoryWalker
extends Object

This class is in responsible for creating the index for a mosaic of images that we want to tie together as a single coverage.

Author:

Simone Giannecchini, GeoSolutions, Carlo Cancellieri - GeoSolutions SAS

Field Summary

Fields

Modifier and Type	Field and Description
protected ImageMosaicConfigHandler	configHandler
protected int	elementIndex index of the element being processed
protected ImageMosaicEventHandlers	eventHandler
protected int	numElements Number of elements to process.
protected boolean	stop Proper way to stop a thread is not by calling Thread.stop() but by using a shared variable that can be checked in order to notify a terminating condition.
protected DefaultTransaction	transaction

Constructor Summary

Constructors

Constructor and Description
ImageMosaicDirectoryWalker(ImageMosaicConfigHandler catalogHandler, ImageMosaicEventHandlers eventHandler)
ImageMosaicDirectoryWalker(ImageMosaicConfigHandler configHandler, ImageMosaicEventHandlers eventHandler, IOFileFilter filter) Default constructor.

Method Summary

Modifier and Type	Method and Description
protected boolean	checkStop()
void	closeTransaction()
void	commitTransaction()
ImageMosaicConfigHandler	getConfigHandler()
int	getElementIndex()
ImageMosaicEventHandlers	getEventHandler()
int	getNumElements()
boolean	getStop()
DefaultTransaction	getTransaction()
void	rollbackTransaction()
void	run() run the directory walker
void	setElementIndex(int elementIndex)
void	setNumElements(int numElements)
void	skip(String path) Warn this walker that we skip the provided path
void	startTransaction() Create a transaction for being used in this walker
void	stop()

Methods inherited from class Object

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

Field Detail

transaction

protected DefaultTransaction transaction

stop

protected volatile boolean stop

Proper way to stop a thread is not by calling Thread.stop() but by using a shared variable that can be checked in order to notify a terminating condition.

configHandler

protected final ImageMosaicConfigHandler configHandler

eventHandler

protected final ImageMosaicEventHandlers eventHandler

elementIndex

protected int elementIndex

index of the element being processed

numElements

protected int numElements

Number of elements to process.

Constructor Detail

ImageMosaicDirectoryWalker

public ImageMosaicDirectoryWalker(ImageMosaicConfigHandler configHandler,
                                  ImageMosaicEventHandlers eventHandler,
                                  IOFileFilter filter)

Default constructor.

Sets a filter that can reduce the file the mosaic walker will take into consideration (in a more flexible way than the wildcards)

ImageMosaicDirectoryWalker

public ImageMosaicDirectoryWalker(ImageMosaicConfigHandler catalogHandler,
                                  ImageMosaicEventHandlers eventHandler)

Method Detail

run

public void run()

run the directory walker

getConfigHandler

public ImageMosaicConfigHandler getConfigHandler()

getEventHandler

public ImageMosaicEventHandlers getEventHandler()

getTransaction

public DefaultTransaction getTransaction()

getStop

public boolean getStop()

stop

public void stop()

startTransaction

public void startTransaction()

Create a transaction for being used in this walker

rollbackTransaction

public void rollbackTransaction()
                         throws IOException

Throws:

IOException

commitTransaction

public void commitTransaction()
                       throws IOException

Throws:

IOException

closeTransaction

public void closeTransaction()

checkStop

protected boolean checkStop()

getElementIndex

public int getElementIndex()

Returns:

the elementIndex

getNumElements

public int getNumElements()

Returns:

the numElements

setElementIndex

public void setElementIndex(int elementIndex)

Parameters:

elementIndex - the elementIndex to set

setNumElements

public void setNumElements(int numElements)

Parameters:

numElements - the numElements to set

skip

public void skip(String path)

Warn this walker that we skip the provided path

Parameters:

path - the path to the file to skip