CronSchedule (Tapestry API - 5.7.2)乐学网一站式学习平台

java.lang.Object
- org.apache.tapestry5.ioc.services.cron.CronSchedule

All Implemented Interfaces:: Schedule

public class CronSchedule
extends Object
implements Schedule

Constructor Summary

Constructors
Constructor Description

CronSchedule(String cronExpression)

CronSchedule(String cronExpression, TimeZone timeZone)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`long`	`firstExecution()`	For a newly created job, what is the start time for the job.
`long`	`nextExecution(long previousExecution)`	Computes the next execution time for a job.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - CronSchedule
```
public CronSchedule(String cronExpression)
```
  - CronSchedule
```
public CronSchedule(String cronExpression,
                    TimeZone timeZone)
```
- Method Detail
  - firstExecution
```
public long firstExecution()
```
    Description copied from interface: Schedule
    
    For a newly created job, what is the start time for the job. Often, the current clock time is returned, to start a job as soon as possible.
    
    Specified by:
    
    firstExecution in interface Schedule
    
    Returns:
    
    start time for new job, in system clock millis
  - nextExecution
```
public long nextExecution(long previousExecution)
```
    Description copied from interface: Schedule
    
    Computes the next execution time for a job.
    
    Specified by:
    
    nextExecution in interface Schedule
    
    Parameters:
    
    previousExecution - time of previous execution (in system clock millis)
    
    Returns:
    
    time of next execution (in system clock millis) or a value <= 0 to cancel the job's execution