package typinferenz;

import java.util.Iterator;
import java.util.Vector;

import mycompiler.mytype.Pair;
import mycompiler.mytypereconstruction.CTriple;
import mycompiler.mytypereconstruction.set.CSet;
import mycompiler.mytypereconstruction.set.CTripleSet;
import mycompiler.mytypereconstruction.set.CVectorSet;

public class ConstraintsSet implements Iterable<OderConstraint>{
	private Vector<OderConstraint> constraintsSet;
	
	public ConstraintsSet(){
		constraintsSet = new Vector<OderConstraint>();
	}
	
	public void add(ConstraintsSet CSet){
		for(OderConstraint element : CSet)
		add(element);
	}
	public void add(OderConstraint constraint){
		constraintsSet.add(constraint);
	}

	/**
	 * Liefert alle Constraint-Variationen
	 * @return
	 */
	public Vector<Vector<UndConstraint>> getConstraints(){
		Vector<Vector<UndConstraint>> ret = new Vector<Vector<UndConstraint>>();
		for(OderConstraint con : constraintsSet){
			ret.add(con.getUndConstraints());
		}
		ret = new KarthesischesProdukt<UndConstraint>().berechneKarthesischesProdukt(ret);
		/*Vector<Pair> firstConstraints = new Vector<Pair>();
		for(Constraint con : constraintsSet){
			firstConstraints.addAll(con.getConstraintPairs());
		}
		ret.add(firstConstraints);
		*/
		return ret;
	}

	@Override
	public String toString(){
		String ret ="";
		for(OderConstraint constraint : this){
			ret += constraint.toString()+"\n";
		}
		return ret;
	}

	public Iterator<OderConstraint> iterator() {
			return constraintsSet.iterator();
	}


	
}