2 * Copyright (C) 2014, United States Government, as represented by the
3 * Administrator of the National Aeronautics and Space Administration.
6 * The Java Pathfinder core (jpf-core) platform is licensed under the
7 * Apache License, Version 2.0 (the "License"); you may not use this file except
8 * in compliance with the License. You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0.
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
18 package gov.nasa.jpf.vm;
20 import gov.nasa.jpf.Config;
23 * simple delegating TimeModel implementation that just returns System time.
24 * While elapsed time is not path sensitive, it is at least strictly increasing
25 * along any given path
27 public class SystemTime implements TimeModel {
29 public SystemTime(VM vm, Config conf){
30 // we don't need these, but it speeds up VM initialization
34 public long currentTimeMillis() {
35 return System.currentTimeMillis();
39 public long nanoTime() {
40 return System.nanoTime();