--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/tests/gov/nasa/jpf/test/mc/basic/JPF_gov_nasa_jpf_test_mc_basic_RestorerTest$X.java	Fri Jan 23 10:14:01 2015 -0800
@@ -0,0 +1,77 @@
+/*
+ * Copyright (C) 2014, United States Government, as represented by the
+ * Administrator of the National Aeronautics and Space Administration.
+ * All rights reserved.
+ *
+ * The Java Pathfinder core (jpf-core) platform is licensed under the
+ * Apache License, Version 2.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
+ * 
+ *        http://www.apache.org/licenses/LICENSE-2.0. 
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and 
+ * limitations under the License.
+ */
+package gov.nasa.jpf.test.mc.basic;
+
+import gov.nasa.jpf.annotation.MJI;
+import gov.nasa.jpf.vm.ClosedMemento;
+import gov.nasa.jpf.vm.Instruction;
+import gov.nasa.jpf.vm.MJIEnv;
+import gov.nasa.jpf.vm.NativePeer;
+import gov.nasa.jpf.vm.StackFrame;
+import gov.nasa.jpf.vm.SystemState;
+import gov.nasa.jpf.vm.ThreadInfo;
+
+/**
+ * peer for the regression test for on-demand state restoration by means of
+ * ClosedMementos
+ */
+public class JPF_gov_nasa_jpf_test_mc_basic_RestorerTest$X extends NativePeer {
+
+  static class InsnExecCount {
+    int count;    
+  }
+  
+  static class InsnCountRestorer implements ClosedMemento {
+    InsnExecCount insnAttr;
+    int count; // the value to restore
+    
+    InsnCountRestorer (InsnExecCount insnAttr){
+      this.insnAttr = insnAttr;
+      this.count = insnAttr.count;
+      
+      System.out.println("## storing: " + count);
+    }
+    
+    @Override
+	public void restore(){
+      System.out.println("## restoring: " + count);
+      insnAttr.count = count;
+    }
+  }
+
+  @MJI
+  public void $init (MJIEnv env, int objref){
+    ThreadInfo ti = env.getThreadInfo();
+    StackFrame caller = ti.getCallerStackFrame();
+    Instruction insn = caller.getPC();
+        
+    InsnExecCount a = insn.getAttr(InsnExecCount.class);
+    if (a == null){
+      a = new InsnExecCount();
+      insn.addAttr( a);
+    }
+
+    SystemState ss = env.getSystemState();
+    if (!ss.hasRestorer(a)){
+      env.getSystemState().putRestorer( a, new InsnCountRestorer(a));      
+    }
+    
+    a.count++;
+    env.setIntField(objref, "id", a.count);
+  }
+}