gvSIG projects pool

/*

 * gvSIG. Desktop Geographic Information System.

 * 

 * Copyright (C) 2007-2020 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 3

 * 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, see <https://www.gnu.org/licenses/>. 

 * 

 * 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.online.lib.impl;

import java.util.HashMap;

import java.util.Map;

import java.util.UUID;

import org.gvsig.online.lib.api.OnlineCodeGenerator;

/**

 *

 * @author gvSIG Team

 */

public class RandomCodeGenerator implements OnlineCodeGenerator {

    private final Map<String,Long> sequences;

    public RandomCodeGenerator() {

        this.sequences = new HashMap();

    }

    @Override

    public String generateCodeString() {

        UUID x = UUID.randomUUID();

        String s = x.toString().replace("-", "");

        return s;

    }

    @Override

    public long generateCodelong(String entityName) {

        long code = sequences.get(entityName);

        sequences.put(entityName, code + 1);

        return -code;

    }

    @Override

    public void initSequence(String entityName, long value) {

        sequences.put(entityName, Math.abs(value));

    }

    @Override

    public boolean isInitialized(String entityName) {

        return sequences.get(entityName) != null;

    }

}