--- /dev/null
+/*
+ * Copyright (C) 2017 The SyPet Authors
+ *
+ * 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 edu.utexas.sypet.synthesis.sat4j;
+
+import uniol.apt.adt.pn.Place;
+
+/**
+ * Each PlaceVar denotes a triple(p, t, n): p is the place(Type), t is timestamp
+ * and n is # of tokens.
+ *
+ * @author yufeng
+ *
+ */
+public class PlaceVar extends Variable {
+
+ private Place place;
+ private int tokenNum;
+
+ public PlaceVar(int id, int time, Place p, int num) {
+ super(id, time);
+ place = p;
+ tokenNum = num;
+ }
+
+ public Place getPlace() {
+ return place;
+ }
+
+ public void setPlace(Place place) {
+ this.place = place;
+ }
+
+ public int getTokenNum() {
+ return tokenNum;
+ }
+
+ public void setTokenNum(int tokenNum) {
+ this.tokenNum = tokenNum;
+ }
+
+ public String toString() {
+ StringBuilder sb = new StringBuilder();
+ sb.append(place.getId()).append(" time:").append(time).append(" token:").append(tokenNum)
+ .append(" solverId:" + (solverId+1));
+ return sb.toString();
+ }
+
+}