/*
* Copyright 2014 NAVER Corp.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.navercorp.pinpoint.collector.manage.jmx;
import java.lang.management.ManagementFactory;
import java.util.HashMap;
import java.util.Map;
import javax.management.MBeanServer;
import javax.management.MalformedObjectNameException;
import javax.management.ObjectName;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.navercorp.pinpoint.collector.manage.CollectorManager;
/**
* @author Taejin Koo
*/
public final class PinpointMBeanServer {
private final Logger logger = LoggerFactory.getLogger(this.getClass());
private final MBeanServer mBeanServer;
private final Map<String, CollectorManager> pinpointMBeanHolder;
PinpointMBeanServer() {
this.mBeanServer = ManagementFactory.getPlatformMBeanServer();
this.pinpointMBeanHolder = new HashMap<>();
}
public void registerMBean(CollectorManager pinpointMBean) {
if (pinpointMBean == null) {
return;
}
registerMBean(pinpointMBean.getName(), pinpointMBean);
}
public void registerMBean(String name, CollectorManager pinpointMBean) {
logger.info("registerMBean {}", name);
if (isRegistered(pinpointMBean)) {
return;
}
try {
ObjectName mBeanObjectName = createMBeanObjectName(name);
mBeanServer.registerMBean(pinpointMBean, mBeanObjectName);
pinpointMBeanHolder.put(name, pinpointMBean);
} catch (Exception e) {
throw new RuntimeException(e.getMessage(), e);
}
}
public void unregisterMBean(CollectorManager pinpointMBean) {
if (pinpointMBean == null) {
return;
}
unregisterMBean(pinpointMBean.getName());
}
public void unregisterMBean(String name) {
logger.info("unregisterMBean {}", name);
if (!isRegistered(name)) {
return;
}
try {
ObjectName mBeanObjectName = createMBeanObjectName(name);
mBeanServer.unregisterMBean(mBeanObjectName);
pinpointMBeanHolder.remove(name);
} catch (Exception e) {
throw new RuntimeException(e.getMessage(), e);
}
}
public boolean isRegistered(CollectorManager pinpointMBean) {
if (pinpointMBean == null) {
return false;
}
return isRegistered(pinpointMBean.getName());
}
public boolean isRegistered(String name) {
ObjectName objectMBeanName;
try {
objectMBeanName = createMBeanObjectName(name);
return mBeanServer.isRegistered(objectMBeanName);
} catch (Exception e) {
throw new RuntimeException(e.getMessage(), e);
}
}
public CollectorManager getPinpointMBean(String name) {
return pinpointMBeanHolder.get(name);
}
private static ObjectName createMBeanObjectName(String name) throws MalformedObjectNameException {
String mBeanObjectName = "com.navercorp.pinpoint.collector.mbean:type=" + name;
ObjectName objectName = new ObjectName(mBeanObjectName);
return objectName;
}
}