/*******************************************************************************
 * Copyright (c) 2007 VTT Technical Research Centre of Finland and others.
 * 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.maps.query;


/**
 * @author Tuukka Lehtonen
 *
 * @param <S>
 * @param <R>
 */
public class Query<S, R> {

    public final S                    source;

    public final IQueryListener<S, R> listener;

    public Query(S source, IQueryListener<S, R> listener) {
        assert source != null;
        assert listener != null;

        this.source = source;
        this.listener = listener;
    }

    @Override
    public String toString() {
        return getClass().getName() + " [" + source + "]";
    }

}