package foundation.action;

import java.util.Iterator;
import java.util.List;

import foundation.util.MapList;

public class EventWorkSteps implements Iterable<WorkStep> {

	private MapList<String, WorkStep> items;
	
	public EventWorkSteps() {
		this.items = new MapList<String, WorkStep>();
	}
	
	public void loadOne(WorkStep step) {
		String key = step.getKey();
		
		if (!items.contains(key)) {
			items.add(key, step);
			return;
		}
		
		WorkStep exists = items.get(key);
		Events events = step.getFireEvents();
		
		if (events == null || events.isEmpty()) {
			return;
		}
		
		for (String event: events) {
			exists.addFireEvent(event);
		}
	}
	
	public List<WorkStep> getList() {
		return items.getItemList();
	}

	@Override
	public Iterator<WorkStep> iterator() {
		return items.iterator();
	}

}