info.aduna.infosource.crawl
Interface CrawlingListener

public interface CrawlingListener

CrawlingListeners are notified by a CrawlingRepository about its crawling progress.

Field Summary

static int	CRAWL_COMPLETED Used to indicate that a crawl was successfully performed.
static int	CRAWL_STOPPED_BY_REQUEST Used to indicate that a crawl was only partially completed because of an external request for interruption.
static int	FATAL_EXCEPTION_WHILE_CRAWLING Used to indicate that a crawl was only partially completed because of one or more exceptions during crawling.

Method Summary

void	clearCrawlResultsFinished() Signals that the CrawlingRepository has finished clearing its crawl results.
void	clearCrawlResultsStarted() Signals that the CrawlingRepository has started clearing its crawl results.
void	crawlFinished(int exitCode) Signals that the CrawlingRepository has finished crawling.
void	crawlingObject(String url) Signals that the CrawlingRepository has started crawling the object represented by the specified URL.
void	crawlStarted() Signals that the CrawlingRepository has started to crawl its DataSource.
void	finishingCrawl() Signals that the CrawlingRepository has finished crawling the last URI and is wrapping things up.
void	newObjectCrawled(org.semanticdesktop.aperture.accessor.DataObject object) Signals that the CrawlingRepository has identified a new object that will be represented by the specified URI.
void	objectNotModified(String url) Signals that the CrawlingRepository has detected that the object represented by the specified URI has not changed.
void	objectRemoved(String url) Signals that the CrawlingRepository has detected that the object represented by the specified URI is no longer available.
void	objectUpdated(org.semanticdesktop.aperture.accessor.DataObject object) Signals that the CrawlingRepository has identified and crawled a changed object, represented by the specified URI.
void	processingChangedObject(org.semanticdesktop.aperture.accessor.DataObject object) Signals that the CrawlingRepository has identifier a changed object and is starting to process its contents.
void	processingNewObject(org.semanticdesktop.aperture.accessor.DataObject object) Signals that the CrawlingRepository has identified a new object and is starting to process its contents.

Field Detail

CRAWL_COMPLETED

static final int CRAWL_COMPLETED

Used to indicate that a crawl was successfully performed.

See Also:

Constant Field Values

CRAWL_STOPPED_BY_REQUEST

static final int CRAWL_STOPPED_BY_REQUEST

Used to indicate that a crawl was only partially completed because of an external request for interruption.

See Also:

Constant Field Values

FATAL_EXCEPTION_WHILE_CRAWLING

static final int FATAL_EXCEPTION_WHILE_CRAWLING

Used to indicate that a crawl was only partially completed because of one or more exceptions during crawling. This does not indicate exceptions on individual messages. This is rather used for larger-scale errors such as unknown hosts, connection time outs, etc., which involve collections of data objects.

See Also:

Constant Field Values

Method Detail

crawlStarted

void crawlStarted()

Signals that the CrawlingRepository has started to crawl its DataSource.

crawlingObject

void crawlingObject(String url)

Signals that the CrawlingRepository has started crawling the object represented by the specified URL.

processingNewObject

void processingNewObject(org.semanticdesktop.aperture.accessor.DataObject object)

Signals that the CrawlingRepository has identified a new object and is starting to process its contents.

processingChangedObject

void processingChangedObject(org.semanticdesktop.aperture.accessor.DataObject object)

Signals that the CrawlingRepository has identifier a changed object and is starting to process its contents.

newObjectCrawled

void newObjectCrawled(org.semanticdesktop.aperture.accessor.DataObject object)

Signals that the CrawlingRepository has identified a new object that will be represented by the specified URI.

objectUpdated

void objectUpdated(org.semanticdesktop.aperture.accessor.DataObject object)

Signals that the CrawlingRepository has identified and crawled a changed object, represented by the specified URI.

objectNotModified

void objectNotModified(String url)

Signals that the CrawlingRepository has detected that the object represented by the specified URI has not changed.

objectRemoved

void objectRemoved(String url)

Signals that the CrawlingRepository has detected that the object represented by the specified URI is no longer available.

finishingCrawl

void finishingCrawl()

Signals that the CrawlingRepository has finished crawling the last URI and is wrapping things up.

crawlFinished

void crawlFinished(int exitCode)

Signals that the CrawlingRepository has finished crawling.

clearCrawlResultsStarted

void clearCrawlResultsStarted()

Signals that the CrawlingRepository has started clearing its crawl results.

clearCrawlResultsFinished

void clearCrawlResultsFinished()

Signals that the CrawlingRepository has finished clearing its crawl results.