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LoadBalanceConnectionGroupManager.java

/*
  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
  <http://www.mysql.com/about/legal/licensing/foss-exception.html>.

  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 {
            if(this.isJmxRegistered){
                  return;
            }
            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){
                  e.printStackTrace();
            }
      }

      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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