org.apache.ignite.spi.deployment.uri.scanners

Class UriDeploymentScannerManager

java.lang.Object

org.apache.ignite.spi.deployment.uri.scanners.UriDeploymentScannerManager

All Implemented Interfaces:

UriDeploymentScannerContext

public class UriDeploymentScannerManager
extends Object
implements UriDeploymentScannerContext

URI deployment scanner manager.

Constructor Summary

Constructors

Constructor and Description
UriDeploymentScannerManager(String igniteInstanceName, URI uri, File deployDir, long freq, FilenameFilter filter, GridUriDeploymentScannerListener lsnr, IgniteLogger log, UriDeploymentScanner scanner) Creates new scanner.

Method Summary

Modifier and Type	Method and Description
void	cancel() Cancels scanner execution.
File	createTempFile(String fileName, File tmpDir) Creates temp file in temp directory.
File	getDeployDirectory() Gets temporary deployment directory.
FilenameFilter	getFilter() Gets filter for found files.
GridUriDeploymentScannerListener	getListener() Gets deployment listener.
IgniteLogger	getLogger() Gets scanner logger.
URI	getUri() Gets deployment URI.
boolean	isCancelled() Tests whether scanner was cancelled before or not.
boolean	isFirstScan() Tests whether first scan completed or not.
void	join() Joins scanner thread.
void	start() Starts scanner.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

UriDeploymentScannerManager

public UriDeploymentScannerManager(String igniteInstanceName,
                                   URI uri,
                                   File deployDir,
                                   long freq,
                                   FilenameFilter filter,
                                   GridUriDeploymentScannerListener lsnr,
                                   IgniteLogger log,
                                   UriDeploymentScanner scanner)

Creates new scanner.

Parameters:

igniteInstanceName - Ignite instance name.

uri - URI which scanner should looks after.

deployDir - Temporary deployment directory.

freq - Scan frequency.

filter - Found files filter.

lsnr - Scanner listener which should be notifier about changes.

log - Logger.

scanner - Scanner.

Method Detail

start

public void start()

Starts scanner.

cancel

public void cancel()

Cancels scanner execution.

join

public void join()

Joins scanner thread.

isCancelled

public boolean isCancelled()

Tests whether scanner was cancelled before or not.

Specified by:

isCancelled in interface UriDeploymentScannerContext

Returns:

true if scanner was cancelled and false otherwise.

createTempFile

public File createTempFile(String fileName,
                           File tmpDir)
                    throws IOException

Creates temp file in temp directory.

Specified by:

createTempFile in interface UriDeploymentScannerContext

Parameters:

fileName - File name.

tmpDir - dir to creating file.

Returns:

created file.

Throws:

IOException - if error occur.

isFirstScan

public boolean isFirstScan()

Tests whether first scan completed or not.

Specified by:

isFirstScan in interface UriDeploymentScannerContext

Returns:

true if first scan has been already completed and false otherwise.

getUri

public URI getUri()

Gets deployment URI.

Specified by:

getUri in interface UriDeploymentScannerContext

Returns:

Deployment URI.

getDeployDirectory

public File getDeployDirectory()

Gets temporary deployment directory.

Specified by:

getDeployDirectory in interface UriDeploymentScannerContext

Returns:

Temporary deployment directory.

getFilter

public FilenameFilter getFilter()

Gets filter for found files. Before listener is notified about changes with certain file last should be accepted by filter.

Specified by:

getFilter in interface UriDeploymentScannerContext

Returns:

New, updated or deleted file filter.

getListener

public GridUriDeploymentScannerListener getListener()

Gets deployment listener.

Specified by:

getListener in interface UriDeploymentScannerContext

Returns:

Listener which should be notified about all deployment events by scanner.

getLogger

public IgniteLogger getLogger()

Gets scanner logger.

Specified by:

getLogger in interface UriDeploymentScannerContext

Returns:

Logger.

toString

public String toString()

Overrides:

toString in class Object