LoadBalanceConnectionGroupManager.java
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/*
Copyright (c) 2010, 2015, 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 FOSS 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;
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("Unable 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);
}
}