/**
 * This software was developed and / or modified by Raytheon Company,
 * pursuant to Contract DG133W-05-CQ-1067 with the US Government.
 * 
 * U.S. EXPORT CONTROLLED TECHNICAL DATA
 * This software product contains export-restricted data whose
 * export/transfer/disclosure is restricted by U.S. law. Dissemination
 * to non-U.S. persons whether in the United States or abroad requires
 * an export license or other authorization.
 * 
 * Contractor Name:        Raytheon Company
 * Contractor Address:     6825 Pine Street, Suite 340
 *                         Mail Stop B8
 *                         Omaha, NE 68106
 *                         402.291.0100
 * 
 * See the AWIPS II Master Rights File ("Master Rights File.pdf") for
 * further licensing information.
 **/
package com.raytheon.edex.plugin.text.dao;

import java.util.Calendar;

import com.raytheon.edex.db.dao.DefaultPluginDao;
import com.raytheon.edex.textdb.dbapi.impl.TextDB;
import com.raytheon.uf.common.dataplugin.PluginException;
import com.raytheon.uf.edex.database.purge.PurgeLogger;

/**
 * DAO for text products
 * 
 * <pre>
 * 
 * SOFTWARE HISTORY
 * 
 * Date       	Ticket#		Engineer	Description
 * ------------	----------	-----------	--------------------------
 * Jul 10, 2009 2191        rjpeter     Update retention time handling.
 * Aug 18, 2009 2191        rjpeter     Changed to version purging.
 * </pre>
 * 
 * @author
 * @version 1
 */
public class TextDao extends DefaultPluginDao {

	public TextDao(String pluginName) throws PluginException {
		super(pluginName);
	}

	@Override
	public void purgeAllData() {
		logger.warn("purgeAllPluginData not implemented for text. No data will be purged.");
	}

	protected void loadScripts() throws PluginException {
		// no op
	}

	public void purgeExpiredData() throws PluginException {
		int deletedRecords = 0;

		// only do full purge every few hours since incremental purge runs every
		// minute
		if (Calendar.getInstance().get(Calendar.HOUR_OF_DAY) % 3 == 0) {
			TextDB.purgeStdTextProducts();
		}

		PurgeLogger.logInfo("Purged " + deletedRecords + " items total.",
				"text");
	}
}