java/sql-dk/src/main/java/info/globalcode/sql/dk/jmx/ManagementUtils.java
author František Kučera <franta-hg@frantovo.cz>
Mon, 04 Mar 2019 20:15:24 +0100
branchv_0
changeset 238 4a1864c3e867
parent 179 java/sql-dk/src/info/globalcode/sql/dk/jmx/ManagementUtils.java@236332caeb29
child 250 aae5009bd0af
permissions -rw-r--r--
mavenized: sql-dk
     1 /**
     2  * SQL-DK
     3  * Copyright © 2014 František Kučera (frantovo.cz)
     4  *
     5  * This program is free software: you can redistribute it and/or modify
     6  * it under the terms of the GNU General Public License as published by
     7  * the Free Software Foundation, either version 3 of the License, or
     8  * (at your option) any later version.
     9  *
    10  * This program is distributed in the hope that it will be useful,
    11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
    12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    13  * GNU General Public License for more details.
    14  *
    15  * You should have received a copy of the GNU General Public License
    16  * along with this program. If not, see <http://www.gnu.org/licenses/>.
    17  */
    18 package info.globalcode.sql.dk.jmx;
    19 
    20 import java.lang.management.ManagementFactory;
    21 import java.util.Hashtable;
    22 import java.util.logging.Level;
    23 import java.util.logging.Logger;
    24 import javax.management.MBeanServer;
    25 import javax.management.ObjectName;
    26 
    27 /**
    28  *
    29  * @author Ing. František Kučera (frantovo.cz)
    30  */
    31 public class ManagementUtils {
    32 
    33 	private static final Logger log = Logger.getLogger(ManagementUtils.class.getName());
    34 	public static final String DEFAULT_CONNECTION_JMX_NAME = "main";
    35 
    36 	/**
    37 	 * @see #registerMBean(java.lang.String, java.lang.String) with default JMX name
    38 	 */
    39 	public static ConnectionManagement registerMBean(String dbName) {
    40 		return registerMBean(dbName, DEFAULT_CONNECTION_JMX_NAME);
    41 	}
    42 
    43 	/**
    44 	 *
    45 	 * @param dbName database name
    46 	 * @param jmxName name of JMX bean
    47 	 * @return registered JMX bean | or null if registration fails (should not)
    48 	 */
    49 	public static ConnectionManagement registerMBean(String dbName, String jmxName) {
    50 		try {
    51 			ConnectionManagement mbean = new ConnectionManagement(dbName);
    52 			MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
    53 			Hashtable<String, String> objectProperties = new Hashtable<>();
    54 			objectProperties.put("type", "Connection");
    55 			objectProperties.put("name", jmxName);
    56 			ObjectName objectName = new ObjectName("info.globalcode.sql.dk", objectProperties);
    57 			mbs.registerMBean(mbean, objectName);
    58 			log.log(Level.FINE, "JMX MBean was registered as: {0}", objectName);
    59 			return mbean;
    60 		} catch (Exception e) {
    61 			log.log(Level.WARNING, "Unable to register JMX MBean", e);
    62 			return null;
    63 		}
    64 	}
    65 
    66 	private ManagementUtils() {
    67 	}
    68 }