/**

 * SQL-DK

 * Copyright © 2014 František Kučera (frantovo.cz)

 *

 * 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

 *

 * 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 <http://www.gnu.org/licenses/>.

 */

package info.globalcode.sql.dk.jmx;

import java.util.EnumMap;

import java.util.Map;

/**

 * JMX management bean for progress reporting.

 *

 * @author Ing. František Kučera (frantovo.cz)

 */

public class ConnectionManagement implements ConnectionManagementMBean {

	private final String databaseName;

	private final Map<COUNTER, Integer> counters = new EnumMap(COUNTER.class);

	public ConnectionManagement(String databaseName) {

		this.databaseName = databaseName;

		for (COUNTER c : COUNTER.values()) {

			counters.put(c, 0);

		}

	}

	public enum COUNTER {

		COMMAND,

		RECORD_CURRENT,

		RECORD_TOTAL

	};

	public void incrementCounter(COUNTER counter) {

		synchronized (counters) {

			int old = counters.get(counter);

			counters.put(counter, old + 1);

		}

	}

	public void resetCounter(COUNTER counter) {

		synchronized (counters) {

			counters.put(counter, 0);

		}

	}

	public static void incrementCounter(ConnectionManagement mbean, COUNTER counter) {

		if (mbean != null) {

			mbean.incrementCounter(counter);

		}

	}

	public static void resetCounter(ConnectionManagement mbean, COUNTER counter) {

		if (mbean != null) {

			mbean.resetCounter(counter);

		}

	}

	@Override

	public String getDatabaseName() {

		return databaseName;

	}

	@Override

	public int getCommandCount() {

		synchronized (counters) {

			return counters.get(COUNTER.COMMAND);

		}

	}

	@Override

	public int getCurrentRecordCount() {

		synchronized (counters) {

			return counters.get(COUNTER.RECORD_CURRENT);

		}

	}

	@Override

	public int getTotalRecordCount() {

		synchronized (counters) {

			return counters.get(COUNTER.RECORD_TOTAL);

		}

	}

}