Package net.solarnetwork.node.job

Class JobUtils

java.lang.Object

net.solarnetwork.node.job.JobUtils

public class JobUtils
extends Object

Utility methods for working with scheduled jobs.

Since:

1.71

Version:

2.0

Author:

matt

Field Summary

Fields

Modifier and Type	Field	Description
static final Pattern	CRON_PLAIN_SECOND_FIELD_PATTERN	A pattern to match a digit-only second field number value.

Constructor Summary

Constructors

Constructor	Description
JobUtils()

Method Summary

Modifier and Type	Method	Description
static org.springframework.scheduling.Trigger	triggerForExpression(String expression, TimeUnit timeUnit, boolean randomized)	Create a trigger from a schedule expression.

Methods inherited from class java.lang.Object

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

Field Details

CRON_PLAIN_SECOND_FIELD_PATTERN

public static final Pattern CRON_PLAIN_SECOND_FIELD_PATTERN

A pattern to match a digit-only second field number value.

Constructor Details

JobUtils

public JobUtils()

Method Details

triggerForExpression

public static org.springframework.scheduling.Trigger triggerForExpression(String expression,
 TimeUnit timeUnit,
 boolean randomized)

Create a trigger from a schedule expression.

The expression can be either an integer number representing a timeUnit frequency or else a cron expression. If randomize is true then if the cron expression seconds value is a constant value it

Parameters:

expression - the schedule expression

timeUnit - the time unit to use for periodic triggers

randomized - true to randomize the second field of cron triggers

Returns:

the trigger, or null if the expression cannot be parsed into one

Since:

2.0