org.jboss.modules.Metrics Maven / Gradle / Ivy
/*
* JBoss, Home of Professional Open Source.
* Copyright 2014 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* 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 org.jboss.modules;
import java.security.AccessController;
/**
* @author David M. Lloyd
*/
final class Metrics {
static final boolean ENABLED;
private Metrics() {
}
static long getCurrentCPUTime() {
return ENABLED ? System.nanoTime() : 0L;
}
static {
ENABLED = Boolean.parseBoolean(AccessController.doPrivileged(new PropertyReadAction("jboss.modules.metrics", "false")));
}
}