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/* gvSIG. Desktop Geographic Information System.

 *

 * Copyright (c) 2007-2024 gvSIG Association

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.tools.patch;

import java.util.Iterator;

import org.gvsig.tools.task.SimpleTaskStatus;

/**

 *

 * @author fdiaz

 */

public interface PatchGenerator<T> {

    public static PatchGenerator create(PatchHandler handler) {

        return new PatchGeneratorImpl(handler);

    }

    void generate(Iterator<T> r, Iterator<T> l, SimpleTaskStatus status);

    public interface PatchHandler<T> {

        public int compareId(T r, T l);

        public boolean isNew(T l);

        public boolean isLocalChange(T l);

        public boolean isRemoteChange(T r, T l);

        public void addRemoteChangeDelete(T r, boolean conflict);

        public void addRemoteChangeModify(T r, boolean conflict);

        public void addRemoteChangeInsert(T r);

    }

}