DatabaseManager.java

/*
 *    Calendula - An assistant for personal medication management.
 *    Copyright (C) 2016 CITIUS - USC
 *
 *    Calendula 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 software.  If not, see <http://www.gnu.org/licenses/>.
 */

package es.usc.citius.servando.calendula.database;


import android.content.Context;

import com.j256.ormlite.android.apptools.OpenHelperManager;
import com.j256.ormlite.android.apptools.OrmLiteSqliteOpenHelper;

public class DatabaseManager<H extends OrmLiteSqliteOpenHelper> {

    private H helper;

    @SuppressWarnings("unchecked")
    public synchronized H getHelper(Context context, Class<H> helperCls) {
        if (helper == null) {
            helper = OpenHelperManager.getHelper(context, helperCls);
        }
        return helper;
    }

    public void releaseHelper(H helper) {
        if (helper != null) {
            OpenHelperManager.releaseHelper();
            helper = null;
        }
    }
}