com.tplan.robot.scheduler

Class CronFacade

java.lang.Object

com.tplan.robot.scheduler.CronFacade

All Implemented Interfaces:

FilenameFilter

public class CronFacade
extends Object
implements FilenameFilter

Facade providing abstract access to cron features.

T-Plan Robot Enterprise, (C) 2009-2022 T-Plan Limited. All rights reserved.

Field Summary

Fields

Modifier and Type	Field and Description
static String	DEFAULT_TIME_ENTRY

Method Summary

Modifier and Type	Method and Description
boolean	accept(File dir, String name)
static void	compile(String cronPattern) Compile the cron time pattern.
static void	deschedule(String id)
static boolean	isCronAvailable()
static boolean	isRunning()
static String	schedule(String schedulingPattern, Runnable task)
static void	setDaemon(boolean on)
static void	start()
static void	stop()

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_TIME_ENTRY

public static final String DEFAULT_TIME_ENTRY

See Also:

Constant Field Values

Method Detail

isCronAvailable

public static boolean isCronAvailable()

compile

public static void compile(String cronPattern)
                    throws IllegalArgumentException,
                           IllegalStateException

Compile the cron time pattern.

Parameters:

cronPattern - the cron time pattern without the trailing options and process arguments.

Throws:

IllegalArgumentException - when the pattern is invalid.

IllegalStateException - when the cron4j support is not available (the library is not on the class path or in the install folder).

start

public static void start()
                  throws IllegalArgumentException,
                         IllegalStateException

Throws:

IllegalArgumentException

IllegalStateException

stop

public static void stop()
                 throws IllegalArgumentException,
                        IllegalStateException

Throws:

IllegalArgumentException

IllegalStateException

schedule

public static String schedule(String schedulingPattern,
                              Runnable task)
                       throws IllegalArgumentException,
                              IllegalStateException

Throws:

IllegalArgumentException

IllegalStateException

deschedule

public static void deschedule(String id)
                       throws IllegalArgumentException,
                              IllegalStateException

Throws:

IllegalArgumentException

IllegalStateException

setDaemon

public static void setDaemon(boolean on)
                      throws IllegalArgumentException,
                             IllegalStateException

Throws:

IllegalArgumentException

IllegalStateException

isRunning

public static boolean isRunning()
                         throws IllegalArgumentException,
                                IllegalStateException

Throws:

IllegalArgumentException

IllegalStateException

accept

public boolean accept(File dir,
                      String name)

Specified by:

accept in interface FilenameFilter