/*******************************************************************************
 * Copyright (c) 2007, 2018 Association for Decentralized Information Management
 * in Industry THTH ry.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     VTT Technical Research Centre of Finland - initial API and implementation
 *******************************************************************************/
package org.simantics.db.common.primitiverequest;

import org.simantics.db.AsyncReadGraph;
import org.simantics.db.RelationInfo;
import org.simantics.db.Resource;
import org.simantics.db.common.request.ResourceAsyncRead;
import org.simantics.db.exception.DatabaseException;
import org.simantics.db.procedure.AsyncProcedure;
import org.simantics.db.service.DirectQuerySupport;

public final class RelationInfoRequest extends ResourceAsyncRead<RelationInfo> {

    public RelationInfoRequest(Resource resource) {
        super(resource);
    }

    @Override
    public void perform(AsyncReadGraph graph, AsyncProcedure<RelationInfo> procedure) {
        DirectQuerySupport dqs = graph.getService(DirectQuerySupport.class);
        try {
            procedure.execute(graph, dqs.getRelationInfo(graph, resource));
        } catch (DatabaseException e) {
            procedure.exception(graph, e);
        }
    }

}