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Viewing changes to src/com/mysql/jdbc/jmx/LoadBalanceConnectionGroupManager.java

  • Committer: mark.matthews at oracle
  • Date: 2010-05-12 15:38:46 UTC
  • mfrom: (847.1.94 branch_5_1-local)
  • Revision ID: mark.matthews@oracle.com-20100512153846-bdyw3aezw5o1szmu
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src/com/mysql/jdbc/jmx/LoadBalanceConnectionGroupManager.java
 
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/*
 
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  Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
 
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  The MySQL Connector/J is licensed under the terms of the GPL,
 
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  like most MySQL Connectors. There are special exceptions to the
 
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  terms and conditions of the GPL as it is applied to this software,
 
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  see the FLOSS License Exception available on mysql.com.
 
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  This program is free software; you can redistribute it and/or
 
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  modify it under the terms of the GNU General Public License as
 
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  published by the Free Software Foundation; version 2 of the
 
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  License.
 
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  This program is distributed in the hope that it will be useful,  
 
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  but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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  GNU General Public License for more details.
 
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  You should have received a copy of the GNU General Public License
 
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  along with this program; if not, write to the Free Software
 
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  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 
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  02110-1301 USA
 
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 */
 
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package com.mysql.jdbc.jmx;
 
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import java.lang.management.ManagementFactory;
 
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import java.sql.SQLException;
 
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import javax.management.MBeanServer;
 
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import javax.management.ObjectName;
 
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import com.mysql.jdbc.ConnectionGroupManager;
 
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import com.mysql.jdbc.SQLError;
 
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public class LoadBalanceConnectionGroupManager implements
 
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                LoadBalanceConnectionGroupManagerMBean {
 
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        private boolean isJmxRegistered = false;
 
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        public LoadBalanceConnectionGroupManager(){
 
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        }
 
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        public synchronized void registerJmx() throws SQLException {
 
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                if(this.isJmxRegistered){
 
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                        return;
 
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                }
 
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                MBeanServer mbs = ManagementFactory.getPlatformMBeanServer(); 
 
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                  try {
 
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                        ObjectName name = new ObjectName("com.mysql.jdbc.jmx:type=LoadBalanceConnectionGroupManager"); 
 
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                          mbs.registerMBean(this, name);
 
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                          this.isJmxRegistered = true;
 
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                } catch (Exception e) {
 
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                        throw SQLError.createSQLException("Uable to register load-balance management bean with JMX", null, e, null);
 
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                } 
 
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        }
 
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        public void addHost(String group, String host, boolean forExisting) {
 
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                try {
 
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                ConnectionGroupManager.addHost(group, host, forExisting);
 
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                } catch (Exception e){
 
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                        e.printStackTrace();
 
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                }
 
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        }
 
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        public int getActiveHostCount(String group) {
 
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                return ConnectionGroupManager.getActiveHostCount(group);
 
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        }
 
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        public long getActiveLogicalConnectionCount(String group) {
 
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                return ConnectionGroupManager.getActiveLogicalConnectionCount(group);
 
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        }
 
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        public long getActivePhysicalConnectionCount(String group) {
 
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                return ConnectionGroupManager.getActivePhysicalConnectionCount(group);
 
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        }
 
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        public int getTotalHostCount(String group) {
 
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                return ConnectionGroupManager.getTotalHostCount(group);
 
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        }
 
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        public long getTotalLogicalConnectionCount(String group) {
 
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                return ConnectionGroupManager.getTotalLogicalConnectionCount(group);
 
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        }
 
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        public long getTotalPhysicalConnectionCount(String group) {
 
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                return ConnectionGroupManager.getTotalPhysicalConnectionCount(group);
 
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        }
 
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        public long getTotalTransactionCount(String group) {
 
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                return ConnectionGroupManager.getTotalTransactionCount(group);
 
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        }
 
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        public void removeHost(String group, String host) throws SQLException {
 
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                ConnectionGroupManager.removeHost(group, host);
 
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        }
 
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        public String getActiveHostsList(String group) {
 
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                return ConnectionGroupManager.getActiveHostLists(group);
 
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        }
 
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        public String getRegisteredConnectionGroups() {
 
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                return ConnectionGroupManager.getRegisteredConnectionGroups();
 
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        }
 
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        public void stopNewConnectionsToHost(String group, String host)
 
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                        throws SQLException {
 
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                ConnectionGroupManager.removeHost(group, host);
 
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        }
 
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}