hypernetwork.constraints.Competition.java Source code

Introduction

Here is the source code for hypernetwork.constraints.Competition.java

Source

/* Copyright (c) 2010, Johannes Kster <johannes.koester@tu-dortmund.de>
 * All rights reserved.
 *
 * This software is open-source under the BSD license; see "license.txt"
 * for a description.
 */

package hypernetwork.constraints;

import java.util.Iterator;
import modalLogic.formula.factory.FormulaFactory;
import org.apache.commons.collections15.iterators.ArrayIterator;
import proteinHypernetwork.NetworkEntity;
import proteinHypernetwork.constraints.Constraint;
import proteinHypernetwork.interactions.Interaction;

/**
 *
 * @author Johannes Kster <johannes.koester@tu-dortmund.de>
 */
public class Competition implements ConstraintTemplate {

    private Constraint[] constraint = new Constraint[2];

    public Competition(Interaction i1, Interaction i2) {
        if (!i1.intersects(i2))
            throw new UnsupportedOperationException(
                    "The two interactions of a competition have to share a protein.");

        Interaction[] is = { i1, i2 };
        for (int k = 0; k < 2; k++) {
            constraint[k] = new Constraint();
            FormulaFactory<NetworkEntity> formula = new FormulaFactory<NetworkEntity>();
            formula.openImplication();
            formula.literal(is[k]);
            formula.negation();
            formula.literal(is[(k + 1) % 2]);
            formula.close();
            constraint[k].setImplication(formula.create());
        }
    }

    @Override
    public Iterator<Constraint> iterator() {
        return new ArrayIterator<Constraint>(constraint);
    }

}