Annotation Type SchedulerLock
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@Target({METHOD,ANNOTATION_TYPE}) @Retention(RUNTIME) public @interface SchedulerLock
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Optional Element Summary
Optional Elements Modifier and Type Optional Element Description String
lockAtLeastFor
The lock will be held at least for given duration.String
lockAtMostFor
How long the lock should be kept in case the machine which obtained the lock died before releasing it.String
name
Lock name.
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Element Detail
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name
String name
Lock name.- Default:
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lockAtMostFor
String lockAtMostFor
How long the lock should be kept in case the machine which obtained the lock died before releasing it. This is just a fallback, under normal circumstances the lock is released as soon the tasks finishes. Can be either time with suffix like 10s or ISO8601 duration as described inDuration.parse(CharSequence)
, for example PT30S.- Default:
- ""
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lockAtLeastFor
String lockAtLeastFor
The lock will be held at least for given duration. Can be used if you really need to execute the task at most once in given period of time. If the duration of the task is shorter than clock difference between nodes, the task can be theoretically executed more than once (one node after another). By setting this parameter, you can make sure that the lock will be kept at least for given period of time. Can be either time with suffix like 10s or ISO8601 duration as described inDuration.parse(CharSequence)
, for example PT30S.- Default:
- ""
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