fujaba/NetworkParser

package de.uniks.networkparser.parser.differ;

import de.uniks.networkparser.graph.Attribute;
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 AttributeChangeUpdateTypeCondition extends MatchCondition {
    public AttributeChangeUpdateTypeCondition() {
        super(true);
    }

    @Override
    protected boolean checkFileCondition(GraphMatcher matches, Match match) {
        if (match == null || matches == null) {
            return false;
        }
        Attribute oldAttribute = (Attribute) match.getMatch();
        Attribute newAttribute = (Attribute) match.getOtherMatch().getMatch();

        if (match.isMetaMatch() == false && match.isSourceMatch() == false) {
            return false;
        }
        if (oldAttribute.getType().equals(newAttribute.getType())) {
            return false;
        }

        return true;
    }

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

        Match rename = Match.create(newAttribute, this, Attribute.PROPERTY_TYPE, newAttribute.getType(),
                oldAttribute.getType());
        matches.addDiff(rename);
        return true;
    }

    @Override
    protected boolean checkModelCondition(GraphMatcher matches, Match match) {
        if (match == null || matches == null) {
            return false;
        }
        Attribute oldAttribute = (Attribute) match.getOtherMatch().getMatch();
        Attribute newAttribute = (Attribute) match.getMatch();
        if (oldAttribute == null || newAttribute == null) {
            return false;
        }
        return oldAttribute.getType().equals(newAttribute.getType()) == false;
    }

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

        Match update = Match.create(oldAttribute, this, Attribute.PROPERTY_TYPE, oldAttribute.getType(),
                newAttribute.getType());
        matches.addDiff(update);
        return true;
    }

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