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/*
Copyright (c) 2013, 2014, 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.ReplicationConnectionGroup;
import com.mysql.jdbc.ReplicationConnectionGroupManager;
import com.mysql.jdbc.SQLError;
public class ReplicationGroupManager implements ReplicationGroupManagerMBean {
private boolean isJmxRegistered = false;
public synchronized void registerJmx() throws SQLException {
if (this.isJmxRegistered) {
return;
}
MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
try {
ObjectName name = new ObjectName("com.mysql.jdbc.jmx:type=ReplicationGroupManager");
mbs.registerMBean(this, name);
this.isJmxRegistered = true;
} catch (Exception e) {
throw SQLError.createSQLException("Unable to register replication host management bean with JMX", null, e, null);
}
}
public void addSlaveHost(String groupFilter, String host) throws SQLException {
ReplicationConnectionGroupManager.addSlaveHost(groupFilter, host);
}
public void removeSlaveHost(String groupFilter, String host) throws SQLException {
ReplicationConnectionGroupManager.removeSlaveHost(groupFilter, host);
}
public void promoteSlaveToMaster(String groupFilter, String host) throws SQLException {
ReplicationConnectionGroupManager.promoteSlaveToMaster(groupFilter, host);
}
public void removeMasterHost(String groupFilter, String host) throws SQLException {
ReplicationConnectionGroupManager.removeMasterHost(groupFilter, host);
}
public String getMasterHostsList(String group) {
StringBuilder sb = new StringBuilder("");
boolean found = false;
for (String host : ReplicationConnectionGroupManager.getMasterHosts(group)) {
if (found) {
sb.append(",");
}
found = true;
sb.append(host);
}
return sb.toString();
}
public String getSlaveHostsList(String group) {
StringBuilder sb = new StringBuilder("");
boolean found = false;
for (String host : ReplicationConnectionGroupManager.getSlaveHosts(group)) {
if (found) {
sb.append(",");
}
found = true;
sb.append(host);
}
return sb.toString();
}
public String getRegisteredConnectionGroups() {
StringBuilder sb = new StringBuilder("");
boolean found = false;
for (ReplicationConnectionGroup group : ReplicationConnectionGroupManager.getGroupsMatching(null)) {
if (found) {
sb.append(",");
}
found = true;
sb.append(group.getGroupName());
}
return sb.toString();
}
public int getActiveMasterHostCount(String group) {
return ReplicationConnectionGroupManager.getMasterHosts(group).size();
}
public int getActiveSlaveHostCount(String group) {
return ReplicationConnectionGroupManager.getSlaveHosts(group).size();
}
public int getSlavePromotionCount(String group) {
return ReplicationConnectionGroupManager.getNumberOfMasterPromotion(group);
}
public long getTotalLogicalConnectionCount(String group) {
return ReplicationConnectionGroupManager.getTotalConnectionCount(group);
}
public long getActiveLogicalConnectionCount(String group) {
return ReplicationConnectionGroupManager.getActiveConnectionCount(group);
}
}