bitstringlistsubsetter.java

来自「Java版的SAT求解器」· Java 代码 · 共 31 行

/*
 * BitStringListSubsetter.java	1.0 05/04/11
 *
 * Copyright 2004-2005 Positronic Software.
 *
 *
 */

package positronic.satisfiability.bitstringlist;

import positronic.satisfiability.elements.*;
import positronic.satisfiability.exceptions.*;

public class BitStringListSubsetter extends Problem implements IProblem
{
  private static final long serialVersionUID = 1L;

  //Ensures that every IBitString in A is also in B
  public BitStringListSubsetter(IBitStringList A, IBitStringList B) throws Exception
  {
    if(A==null)
      throw new BitStringListException("Passed a null IBitStringList to constructor.");
    if(B==null)
      throw new BitStringListException("Passed a null IBitStringList to constructor.");
    
    IProblem res[]=new IProblem[A.size()];
    for(int i=0;i<A.size();i++)
      res[i]=new BitStringListMembershipper(A.getBitString(i),B);
    this.setClauses(new Conjunction(res).getClauses());
  }
}