net.sf.uadetector.datastore
Class AbstractUpdateOperation

java.lang.Object
  net.sf.uadetector.datastore.AbstractUpdateOperation

All Implemented Interfaces:

java.lang.Runnable, UpdateOperation

public abstract class AbstractUpdateOperation
extends java.lang.Object
implements UpdateOperation

Provides a basic implementation to update UAS data in the background when calling run().

Author:

André Rouél

Field Summary

Fields inherited from interface net.sf.uadetector.datastore.UpdateOperation

DEFAULT_UPDATE_INTERVAL

Constructor Summary

AbstractUpdateOperation(RefreshableDataStore dataStore)

Method Summary

long	getLastUpdateCheck() Gets the time of the last update check in milliseconds.
protected boolean	isUpdateAvailable() Fetches the current version information over HTTP and compares it with the last version of the most recently imported data.
void	run() Executes the update at some time in the future (as soon as possible) within a new thread.
void	shutdown() Shuts down the corresponding background executor as soon as possible, but at the latest specified default time.

Methods inherited from class java.lang.Object

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

Methods inherited from interface net.sf.uadetector.datastore.UpdateOperation

call

Constructor Detail

AbstractUpdateOperation

public AbstractUpdateOperation(@Nonnull
                               RefreshableDataStore dataStore)

Method Detail

getLastUpdateCheck

public long getLastUpdateCheck()

Gets the time of the last update check in milliseconds.

Specified by:

getLastUpdateCheck in interface UpdateOperation

Returns:

time of the last update check in milliseconds

isUpdateAvailable

protected boolean isUpdateAvailable()

Fetches the current version information over HTTP and compares it with the last version of the most recently imported data.

Returns:

true if an update exists, otherwise false

run

public void run()

Executes the update at some time in the future (as soon as possible) within a new thread.

Specified by:

run in interface java.lang.Runnable

shutdown

public void shutdown()

Shuts down the corresponding background executor as soon as possible, but at the latest specified default time.

Specified by:

shutdown in interface UpdateOperation

See Also:

ExecutorServices.shutdown(ExecutorService)