org.javasimon.jdbc4.jmx.JdbcMXBeanImpl Maven / Gradle / Ivy

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Java Simon JDBC 4.1 (Java SE 7) proxy driver - must be compiled with JDK 1.7
There is a newer version: 4.2.0
package org.javasimon.jdbc4.jmx;

import org.javasimon.Manager;
import org.javasimon.Simon;
import org.javasimon.SimonState;
import org.javasimon.Stopwatch;
import org.javasimon.utils.SimonUtils;

/**
 * Jdbc MXBean implementation. See {@link JdbcMXBean} for interface
 * documentation.
 * Most methods are implemented by calling the {@link Manager}.
 *
 * @author Radovan Sninsky
 * @author Richard "Virgo" Richter
 * @since 2
 */
public class JdbcMXBeanImpl implements JdbcMXBean {
	private Manager manager;
	private String prefix;

	/**
	 * MXBean constructor with prefix initialization to default ({@code org.javasimon.jdbc}).
	 *
	 * @param manager instance of {@link Manager}, typically {@code SimonManager.manager()}.
	 */
	public JdbcMXBeanImpl(Manager manager) {
		this.manager = manager;
		this.prefix = "org.javasimon.jdbc";
	}

	/**
	 * MXBean constructor with custom prefix initialization.
	 *
	 * @param manager instance of {@link Manager}, typically {@code SimonManager.manager()}.
	 * @param prefix  custom prefix
	 */
	public JdbcMXBeanImpl(Manager manager, String prefix) {
		this.manager = manager;
		this.prefix = prefix;
	}

	public String getPrefix() {
		return prefix;
	}

	public void setPrefix(String value) {
		prefix = value;
	}

	public void enableMonitoring() {
		Simon s = manager.getSimon(prefix);
		if (s != null) {
			s.setState(SimonState.ENABLED, true);
		}
	}

	public void disableMonitoring() {
		Simon s = manager.getSimon(prefix);
		if (s != null) {
			s.setState(SimonState.DISABLED, true);
		}
	}

	public boolean isMonitoringEnabled() {
		return manager.getSimon(prefix) != null && manager.getSimon(prefix).isEnabled();
	}

	public JdbcObjectInfo connectionsStat() {
		Stopwatch s = manager.getStopwatch(prefix + ".conn");

		if (s != null) {
			return new JdbcObjectInfo(
				s.getActive(),
				s.getMaxActive(),
				s.getMaxActiveTimestamp(),
				s.getCounter(),
				s.getCounter() - s.getActive(),
				s.getMin(),
				s.getMax(),
				s.getTotal()
			);
		}
		return null;
	}

	public JdbcObjectInfo statementsStat() {
		Stopwatch s = manager.getStopwatch(prefix + ".stmt");

		if (s != null) {
			return new JdbcObjectInfo(
				s.getActive(),
				s.getMaxActive(),
				s.getMaxActiveTimestamp(),
				s.getCounter(),
				s.getCounter() - s.getActive(),
				s.getMin(),
				s.getMax(),
				s.getTotal()
			);
		}
		return null;
	}

	public JdbcObjectInfo resultsetsStat() {
		return null;
	}

	public String[] getSqlCommands() {
		Simon s = manager.getSimon(prefix + ".sql");
		if (s != null) {
			String[] names = new String[s.getChildren().size()];
			int i = 0;
			for (Simon sn : s.getChildren()) {
				names[i++] = SimonUtils.localName(sn.getName());
			}
			return names;
		} else {
			return new String[0];
		}
	}

	public org.javasimon.jmx.StopwatchSample getSqlCommandStat(String cmdId) {
		if (manager.getSimon(prefix + ".sql." + cmdId) != null) {
			return new org.javasimon.jmx.StopwatchSample(
				manager.getStopwatch(prefix + ".sql." + cmdId).sample());
		}
		return null;
	}

	public String[] getSqls(String cmdId) {
		Simon s = manager.getSimon(prefix + ".sql." + cmdId);
		if (s != null) {
			String[] names = new String[s.getChildren().size()];
			int i = 0;
			for (Simon sn : s.getChildren()) {
				names[i++] = SimonUtils.localName(sn.getName());
			}
			return names;
		} else {
			return new String[0];
		}
	}

	public org.javasimon.jmx.StopwatchSample getSqlStat(String sqlId) {
		if (manager != null) {
			for (String simonName : manager.getSimonNames()) {
				if (SimonUtils.localName(simonName).equals(sqlId)) {
					return new org.javasimon.jmx.StopwatchSample(
						manager.getStopwatch(simonName).sample());
				}
			}
		}
		return null;
	}
}