package foundation.io.define;

import java.util.Iterator;

import foundation.io.IOLoader;
import foundation.util.MapList;

public class IOWorkflow implements Iterable<IOWorkStep> {

	private MapList<String, IOWorkStep> items;
	
	public IOWorkflow() {
		items = new MapList<String, IOWorkStep>();
	}
	
	public static IOWorkflow getInstance(String name) throws Exception {
		IOWorkflow workflow = IOLoader.loadIOWrokflow(name);
		return workflow;
	}

	public void loadOne(String name, IOWorkStep step) {
		items.add(name, step);
	}
	
	public void clear() {
		items.clear();
	}

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