/
Insights.java
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/
Insights.java
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package org.rapidoid.insight;
import org.rapidoid.RapidoidThing;
import org.rapidoid.collection.Coll;
import java.util.List;
import java.util.Map;
/*
* #%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%
*/
/**
* @author Nikolche Mihajlovski
* @since 4.1.0
*/
public class Insights extends RapidoidThing {
private static final Map<String, List<Insightful>> RESOURCES = Coll.mapOfLists();
private static final Map<String, List<Object>> INFOS = Coll.mapOfLists();
private static final Map<String, List<Object>> RESETABLE_INFOS = Coll.mapOfLists();
public static synchronized void register(Insightful resource) {
RESOURCES.get(resource.getKind()).add(resource);
}
public static synchronized String getInfo() {
String info = RESETABLE_INFOS.toString() + " :: " + INFOS.toString() + " :: " + RESOURCES.toString();
for (List<Object> list : RESETABLE_INFOS.values()) {
for (Object item : list) {
if (item instanceof Measure) {
Measure m = (Measure) item;
m.reset();
}
}
}
return info;
}
public static String getCpuMemStats() {
Runtime rt = Runtime.getRuntime();
long totalMem = rt.totalMemory();
long maxMem = rt.maxMemory();
long freeMem = rt.freeMemory();
long usedMem = totalMem - freeMem;
int megs = 1024 * 1024;
String msg = "MEM [total=%s MB, used=%s MB, max=%s MB]";
return String.format(msg, totalMem / megs, usedMem / megs, maxMem / megs);
}
public static synchronized void show() {
new InsightsThread().start();
}
public static synchronized void register(String name, Object info) {
INFOS.get(name).add(info);
}
public static synchronized StatsMeasure stats(String name) {
StatsMeasure measure = new StatsMeasure();
RESETABLE_INFOS.get(name).add(measure);
return measure;
}
public static synchronized void reset() {
RESOURCES.clear();
INFOS.clear();
RESETABLE_INFOS.clear();
}
}