/*
* Copyright 1999-2011 Alibaba Group Holding Ltd.
*
* 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.alibaba.druid;
import java.lang.management.ManagementFactory;
import javax.management.MBeanServer;
import javax.management.ObjectName;
public class TestUtil {
public static long getYoungGC() {
try {
MBeanServer mbeanServer = ManagementFactory.getPlatformMBeanServer();
ObjectName objectName;
if (mbeanServer.isRegistered(new ObjectName("java.lang:type=GarbageCollector,name=ParNew"))) {
objectName = new ObjectName("java.lang:type=GarbageCollector,name=ParNew");
} else if (mbeanServer.isRegistered(new ObjectName("java.lang:type=GarbageCollector,name=Copy"))) {
objectName = new ObjectName("java.lang:type=GarbageCollector,name=Copy");
} else {
objectName = new ObjectName("java.lang:type=GarbageCollector,name=PS Scavenge");
}
return (Long) mbeanServer.getAttribute(objectName, "CollectionCount");
} catch (Exception e) {
throw new RuntimeException("error");
}
}
public static long getFullGC() {
try {
MBeanServer mbeanServer = ManagementFactory.getPlatformMBeanServer();
ObjectName objectName;
if (mbeanServer.isRegistered(new ObjectName("java.lang:type=GarbageCollector,name=ConcurrentMarkSweep"))) {
objectName = new ObjectName("java.lang:type=GarbageCollector,name=ConcurrentMarkSweep");
} else if (mbeanServer.isRegistered(new ObjectName("java.lang:type=GarbageCollector,name=MarkSweepCompact"))) {
objectName = new ObjectName("java.lang:type=GarbageCollector,name=MarkSweepCompact");
} else {
objectName = new ObjectName("java.lang:type=GarbageCollector,name=PS MarkSweep");
}
return (Long) mbeanServer.getAttribute(objectName, "CollectionCount");
} catch (Exception e) {
throw new RuntimeException("error");
}
}
}