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;
23 * set that stores threads via (search global) thread ids. Used to detect shared objects/classes,
24 * created by configured SharedObjectPolicy factory.
25 * This set is persistent, i.e. does not modify contents of existing set instances to avoid
26 * introducing search global state
28 public class PersistentTidSet extends TidSet {
30 public PersistentTidSet (ThreadInfo ti){
34 //--- non-destructive set update
37 public ThreadInfoSet add (ThreadInfo ti) {
41 PersistentTidSet newSet = (PersistentTidSet)clone();
51 public ThreadInfoSet remove (ThreadInfo ti) {
55 PersistentTidSet newSet = (PersistentTidSet)clone();