fujaba/NetworkParser

package de.uniks.networkparser.parser.differ;

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

public class MethodChangeUpdateTypeCondition extends MatchCondition {

    public MethodChangeUpdateTypeCondition() {
        super(true);
    }

    @Override
    protected boolean checkFileCondition(GraphMatcher matches, Match match) {
        Method oldMethod = (Method) match.getMatch();
        Method newMethod = (Method) match.getOtherMatch().getMatch();

        if (matches.getMetaModel() == null) {
            return false;
        }
        if (match.isMetaMatch() == false && match.isMetaSourceMatch() == false) {
            return false;
        }
        if (oldMethod.getReturnType().equals(newMethod.getReturnType())) {
            return false;
        }

        return true;
    }

    @Override
    protected boolean calculateFileDiffs(GraphModel model, GraphMatcher matches, Match match) {
        Method oldMethod = (Method) match.getMatch();
        Method newMethod = (Method) match.getOtherMatch().getMatch();

        Match updateInCode = Match.create(newMethod, this, Method.PROPERTY_RETURNTYPE, newMethod.getReturnType(),
                oldMethod.getReturnType());
        matches.addDiff(updateInCode);
        return true;
    }

    @Override
    protected boolean checkModelCondition(GraphMatcher matches, Match match) {
        Method oldMethod = (Method) match.getOtherMatch().getMatch();
        Method newMethod = (Method) match.getMatch();

        return oldMethod.getReturnType().equals(newMethod.getReturnType()) == false;
    }

    @Override
    protected boolean calculateModelDiffs(GraphModel model, GraphMatcher matches, Match match) {
        Method oldMethod = (Method) match.getOtherMatch().getMatch();
        Method newMethod = (Method) match.getMatch();
        Match update = Match.create(oldMethod, this, Method.PROPERTY_RETURNTYPE, oldMethod.getReturnType(),
                newMethod.getReturnType());

        matches.addDiff(update);
        return true;
    }

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

}