panda.task.Trigger Maven / Gradle / Ivy
package panda.task;
import java.util.Date;
/**
* Common interface for trigger objects that determine the next execution time
* of a task that they get associated with.
*/
public interface Trigger {
/**
* Determine the next execution time according to the given trigger context.
* @param triggerContext context object encapsulating last execution times
* and last completion time
* @return the next execution time as defined by the trigger,
* or {@code null} if the trigger won't fire anymore
*/
Date nextExecutionTime(TriggerContext triggerContext);
}