fujaba/NetworkParser

package de.uniks.networkparser.parser.differ;

import de.uniks.networkparser.graph.Association;
import de.uniks.networkparser.graph.GraphModel;
import de.uniks.networkparser.graph.Match;
import de.uniks.networkparser.interfaces.SendableEntityCreator;
import de.uniks.networkparser.parser.GraphMatcher;

public class AssociationChangeUpdateCondition extends MatchCondition {

    public AssociationChangeUpdateCondition() {
        super(true);
    }

    @Override
    protected boolean checkFileCondition(GraphMatcher matches, Match match) {
        if (match == null || matches == null) {
            return false;
        }
        Association sourceAssociation = (Association) match.getMatch();
        Association otherAssociation = (Association) match.getSourceMatch();

        if (matches.getMetaModel() == null) {
            return false;
        }
        if (match.isMetaMatch() == false && match.isSourceMatch() == false) {
            return false;
        }
        if (sourceAssociation.getType().equals(otherAssociation.getType()) == false) {
            return false;
        }
        if (sourceAssociation.getOther().getCardinality() == otherAssociation.getOther().getCardinality()) {
            return false;
        }

        return true;
    }

    @Override
    protected boolean calculateFileDiffs(GraphModel model, GraphMatcher matches, Match match) {
        if (match == null || matches == null || match.getOtherMatch() == null) {
            return false;
        }
        Association oldAssociation = (Association) match.getMatch();
        Association newAssociation = (Association) match.getOtherMatch().getMatch();

        Match update = Match.create(newAssociation.getOther(), this, Association.PROPERTY_CARDINALITY,
                newAssociation.getOther().getCardinality(), oldAssociation.getOther().getCardinality());
        matches.addDiff(update);
        return true;
    }

    @Override
    protected boolean checkModelCondition(GraphMatcher matches, Match match) {
        if (match == null || matches == null) {
            return false;
        }
        Association oldAssociation = (Association) match.getOtherMatch().getMatch();
        Association newAssociation = (Association) match.getMatch();

        if (oldAssociation.getType().equals(newAssociation.getType()) == false) {
            return false;
        }
        if (oldAssociation.getOther().getCardinality() == newAssociation.getOther().getCardinality()) {
            return false;
        }

        return true;
    }

    @Override
    protected boolean calculateModelDiffs(GraphModel model, GraphMatcher matches, Match match) {
        if (match == null || matches == null) {
            return false;
        }
        Association oldAssociation = (Association) match.getOtherMatch().getMatch();
        Association newAssociation = (Association) match.getMatch();

        Match update = Match.create(oldAssociation.getOther(), this, Association.PROPERTY_CARDINALITY,
                oldAssociation.getOther().getCardinality(), newAssociation.getOther().getCardinality());

        matches.addDiff(update);
        return true;
    }

    @Override
    public String getAction() {
        return SendableEntityCreator.UPDATE;
    }

}