fujaba/NetworkParser

package de.uniks.networkparser.parser.differ;

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

public class AttributeChangeCondition extends MatchCondition {

    public AttributeChangeCondition() {
        changeConditions.add(new ChangeRenameCondition());
        changeConditions.add(new ChangeAddCondition());
        changeConditions.add(new ChangeAddModifierCondition());
        changeConditions.add(new ChangeRemoveModifierCondition());
        changeConditions.add(new AttributeChangeUpdateTypeCondition());
    }

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

        if (addChange(matches, match, sourceAttribute, otherAttribute)) {
            MemberDiffer.executeCondition(SendableEntityCreator.NEW, changeConditions, match);
        } else {
            MemberDiffer.executeCondition(SendableEntityCreator.UPDATE, changeConditions, match);
            MemberDiffer.executeCondition(SendableEntityCreator.REMOVE, changeConditions, match);
        }
        return true;
    }

    private boolean addChange(GraphMatcher matches, Match match, Attribute sourceAttribute, Attribute otherAttribute) {
        if (match == null || matches == null) {
            return false;
        }
        if (matches.getMetaModel() != null && (match.isMetaSourceMatch() || match.isMetaMatch())) {
            return false;
        }
        if (otherAttribute == null) {
            return false;
        }
        if (sourceAttribute.getName().equals(otherAttribute.getName())) {
            if (sourceAttribute.getClazz().getName().equals(otherAttribute.getClazz().getName())) {
                return false;
            }
        }

        return true;
    }

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