org.rapidoid.util.RuntimeInfo Maven / Gradle / Ivy
/*-
* #%L
* rapidoid-commons
* %%
* Copyright (C) 2014 - 2017 Nikolche Mihajlovski and contributors
* %%
* 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.
* #L%
*/
package org.rapidoid.util;
import org.rapidoid.RapidoidThing;
import org.rapidoid.annotation.Authors;
import org.rapidoid.annotation.Since;
import org.rapidoid.cls.Cls;
import java.lang.reflect.Method;
@Authors("Nikolche Mihajlovski")
@Since("2.0.0")
public class RuntimeInfo extends RapidoidThing {
private static final Method getGarbageCollectorMXBeans;
static {
Class manFactory = Cls.getClassIfExists("java.lang.management.ManagementFactory");
getGarbageCollectorMXBeans = manFactory != null ? Cls.getMethod(manFactory, "getGarbageCollectorMXBeans")
: null;
}
public static String gcInfo() {
String gcinfo = "";
if (getGarbageCollectorMXBeans != null) {
// FIXME resolve rapidoid-beany dependency
// List gcs = Cls.invokeStatic(getGarbageCollectorMXBeans);
// for (Object gc : gcs) {
// gcinfo += " | " + Beany.getPropValue(gc, "name") + " x" + Beany.getPropValue(gc, "collectionCount")
// + ":" + Beany.getPropValue(gc, "collectionTime") + "ms";
// }
}
return gcinfo;
}
}