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Panda Core is the core module of Panda Framework, it contains commonly used utility classes similar to apache-commons.

There is a newer version: 1.8.0

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);

}