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.
19 package gov.nasa.jpf.vm;
22 * state storer/restorer that works solely on a snapshot basis
24 public abstract class MementoRestorer extends AbstractRestorer<Memento<KernelState>> implements MementoFactory {
28 protected Memento<KernelState> computeRestorableData() {
29 return ks.getMemento(this);
33 protected void doRestore(Memento<KernelState> data) {
35 // it's identity preserving, so we don't have to worry about updating external fields
36 ks = data.restore(ks);