[英]Schedule a job in quartz with a set of triggers
I am using quartz 2.2 and I want to schedule a job with a set of triggers. 我使用的是石英2.2,我想用一组触发器安排工作。 I plan to use the following method.
我计划使用以下方法。
void scheduleJobs(Map<JobDetail, Set<? extends Trigger>> triggers, boolean replace)
My question is, how do I create a Set
that takes in a class that extends Trigger
? 我的问题是,如何创建一个包含扩展
Trigger
的类的Set
? TriggerBuilder
returns only the Trigger
, but I can't put the same in the set. TriggerBuilder
仅返回Trigger
,但不能将其放在集合中。 I searched the API but could not find a solution. 我搜索了API,但找不到解决方案。
Thanks 谢谢
The simplest way (probably not the cleanest one) in plain Java is to do the following: 普通Java中最简单的方法(可能不是最干净的方法)是执行以下操作:
QuartzScheduler quartzScheduler = ...
Set<Trigger> triggers = new HashSet<>();
triggers.add(new SimpleTriggerImpl());
triggers.add(new CronTriggerImpl());
Map<JobDetail, Set<? extends Trigger>> triggersAndJobs = new HashMap<>();
triggersAndJobs.put(new JobDetailImpl(), triggers);
quartzScheduler.scheduleJobs(triggersAndJobs, false);
Or if you are not using Java 7: 或者,如果您不使用Java 7:
QuartzScheduler quartzScheduler = ...
Set<Trigger> triggers = new HashSet<Trigger>();
triggers.add(new SimpleTriggerImpl());
triggers.add(new CronTriggerImpl());
Map<JobDetail, Set<? extends Trigger>> triggersAndJobs = new HashMap<JobDetail, Set<? extends Trigger>>();
triggersAndJobs.put(new JobDetailImpl(), triggers);
quartzScheduler.scheduleJobs(triggersAndJobs, false);
A shorter version with Guava: 番石榴的较短版本:
QuartzScheduler quartzScheduler = ...
Set<? extends Trigger> set = Sets.newHashSet(new SimpleTriggerImpl(), new CronTriggerImpl());
Map<JobDetail, Set<? extends Trigger>> triggersAndJobs = Maps.newHashMap();
triggersAndJobs.put(new JobDetailImpl(), set);
quartzScheduler.scheduleJobs(triggersAndJobs, false);
Update . 更新 。 Using
TriggerBuilder
in fact doesn't change much. 实际上,使用
TriggerBuilder
并不会改变太多。 TriggerBuilder.build()
returns a trigger instance which can be referenced just as Trigger
. TriggerBuilder.build()
返回一个触发器实例,该实例可以作为Trigger
引用。
QuartzScheduler quartzScheduler = ...
Set<Trigger> triggers = new HashSet<Trigger>();
Trigger trigger1 = newTrigger()
.withIdentity(triggerKey("myTrigger", "myTriggerGroup"))
.withSchedule(simpleSchedule()
.withIntervalInHours(1)
.repeatForever())
.startAt(futureDate(10, DateBuilder.IntervalUnit.MINUTE))
.build();
triggers.add(trigger1);
Trigger trigger2 = newTrigger() ...
triggers.add(trigger2);
Map<JobDetail, Set<? extends Trigger>> triggersAndJobs = new HashMap<JobDetail, Set<? extends Trigger>>();
triggersAndJobs.put(new JobDetailImpl(), triggers);
quartzScheduler.scheduleJobs(triggersAndJobs, false);
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