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Sourcecode: mysql-connector-java version File versions  Download package


  Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.

  The MySQL Connector/J is licensed under the terms of the GPLv2
  <http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>, like most MySQL Connectors.
  There are special exceptions to the terms and conditions of the GPLv2 as it is applied to
  this software, see the FLOSS License Exception

  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 the Free Software Foundation; version 2
  of the License.

  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, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth
  Floor, Boston, MA 02110-1301  USA
package com.mysql.jdbc.jmx;

import java.lang.management.ManagementFactory;
import java.sql.SQLException;

import javax.management.MBeanServer;
import javax.management.ObjectName;

import com.mysql.jdbc.ConnectionGroupManager;
import com.mysql.jdbc.SQLError;

00034 public class LoadBalanceConnectionGroupManager implements
            LoadBalanceConnectionGroupManagerMBean {
      private boolean isJmxRegistered = false;
      public LoadBalanceConnectionGroupManager(){

      public synchronized void registerJmx() throws SQLException {
            MBeanServer mbs = ManagementFactory.getPlatformMBeanServer(); 
              try {
                  ObjectName name = new ObjectName("com.mysql.jdbc.jmx:type=LoadBalanceConnectionGroupManager"); 
                    mbs.registerMBean(this, name);
                    this.isJmxRegistered = true;
            } catch (Exception e) {
                  throw SQLError.createSQLException("Uable to register load-balance management bean with JMX", null, e, null);

      public void addHost(String group, String host, boolean forExisting) {
            try {
            ConnectionGroupManager.addHost(group, host, forExisting);
            } catch (Exception e){

      public int getActiveHostCount(String group) {
            return ConnectionGroupManager.getActiveHostCount(group);

      public long getActiveLogicalConnectionCount(String group) {
            return ConnectionGroupManager.getActiveLogicalConnectionCount(group);

      public long getActivePhysicalConnectionCount(String group) {
            return ConnectionGroupManager.getActivePhysicalConnectionCount(group);

      public int getTotalHostCount(String group) {
            return ConnectionGroupManager.getTotalHostCount(group);


      public long getTotalLogicalConnectionCount(String group) {
            return ConnectionGroupManager.getTotalLogicalConnectionCount(group);


      public long getTotalPhysicalConnectionCount(String group) {
            return ConnectionGroupManager.getTotalPhysicalConnectionCount(group);


      public long getTotalTransactionCount(String group) {
            return ConnectionGroupManager.getTotalTransactionCount(group);


      public void removeHost(String group, String host) throws SQLException {
            ConnectionGroupManager.removeHost(group, host);


      public String getActiveHostsList(String group) {
            return ConnectionGroupManager.getActiveHostLists(group);

      public String getRegisteredConnectionGroups() {
            return ConnectionGroupManager.getRegisteredConnectionGroups();

      public void stopNewConnectionsToHost(String group, String host)
                  throws SQLException {
            ConnectionGroupManager.removeHost(group, host);


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