package org.simantics.migration.ui;

import org.simantics.browsing.ui.model.tests.Test;
import org.simantics.db.ReadGraph;
import org.simantics.db.Resource;
import org.simantics.db.exception.DatabaseException;
import org.simantics.layer0.SoftwareConfigurationResources;

public class IsMigrationPossible implements Test {

    @Override
    public boolean isCompatible(Class<?> contentType) {
        return contentType.equals(Resource.class);
    }

    @Override
    public boolean test(ReadGraph graph, Object content) throws DatabaseException {
        Resource resource = (Resource)content;
        SoftwareConfigurationResources SC = SoftwareConfigurationResources.getInstance(graph);
        
        for(Resource version : graph.getObjects(resource, SC.IsCompatibleWith))
            if(graph.hasStatement(version, SC.Version_HasUpdate))
                return true;
        return false;
    }

}