soot.jimple.spark.ondemand.genericutil.Propagator Maven / Gradle / Ivy

package soot.jimple.spark.ondemand.genericutil;

/*-
 * #%L
 * Soot - a J*va Optimization Framework
 * %%
 * Copyright (C) 2007 Manu Sridharan
 * %%
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation, either version 2.1 of the
 * License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Lesser Public License for more details.
 * 
 * You should have received a copy of the GNU General Lesser Public
 * License along with this program.  If not, see
 * .
 * #L%
 */

import java.util.Set;

public class Propagator {

  private final Set marked;

  private final Stack worklist;

  public Propagator(Set marked, Stack worklist) {
    super();
    this.marked = marked;
    this.worklist = worklist;
  }

  public void prop(T val) {
    if (marked.add(val)) {
      worklist.push(val);
    }
  }
}