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repeatable course/process (delta-processing-engine, event sourcing)

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package de.tsl2.nano.cursus;

import java.util.Date;
import java.util.Set;

import de.tsl2.nano.cursus.Processor.Id;
import de.tsl2.nano.repeat.ICommand;

/**
 * main change object to be processed by an authorized {@link Processor}.
 * @author Tom
 */
public interface IConsilium {
	Object getName();

	/** commands to run if activated */
	Set> getExsecutios();

	/** should check against a seal to avoid invalid data changes */
	void checkValidity(Id iD);

	/** only the authorized processor should refresh the seal! */
	void refreshSeal(Id iD);

	/** creates automated consilii, if timer is a generator */
	Set createAutomated(Date from, Date until);

	Status getStatus();

	/** the authorized processor can change from inactive to active and from active to deactivated */
	void setStatus(Status newStatus);

	/** defines, when the consilium should be activated. if the timer is a generator, new consilii will be created */
	Timer getTimer();

	/** returns true, if this consillium will change the object, identified by id. */
	boolean affects(Object o);

	/** returns true, if any stored content is assigned */
	boolean hasFixedContent();

	/** create a copy with a new timer and optional author */
	 C clone(Timer timer, String author);

	enum Status {
		INACTIVE, ACTIVE, REJECTED
	}

	enum Priority {
		HIGHEST(1), HIGH(2), NORMAL(10), LOW(1000), LOWEST(Integer.MAX_VALUE);

		Integer index;

		Priority(Integer index) {
			this.index = index;
		}
	}
}