factorgraphmodel.java

是实现关系型贝叶斯网络一中机器学习算法

package rmn;

import java.util.*;

/**
 * A set of (not necessarily connected) factor graphs
 *
 * @author Razvan Bunescu
 */

public class FactorGraphModel {

  Vector m_vecFGraphs;


  public FactorGraphModel()
  {
    m_vecFGraphs = new Vector();
  }

  public int size()
  {
    return m_vecFGraphs.size();
  }

  public FactorGraph getFactorGraph(int i)
  {
    return (FactorGraph) m_vecFGraphs.get(i);
  }


  public void addFactorGraph(FactorGraph fg)
  {
    m_vecFGraphs.add(fg);
  }


  public void allocateMessages()
  {
    for (int i = 0; i < m_vecFGraphs.size(); i++) {
      FactorGraph fg = (FactorGraph) m_vecFGraphs.get(i);
      fg.allocateMessages();
    }
  }


  public void deallocateMessages()
  {
    for (int i = 0; i < m_vecFGraphs.size(); i++) {
      FactorGraph fg = (FactorGraph) m_vecFGraphs.get(i);
      fg.deallocateMessages();
    }
  }


  public boolean beliefPropagation(boolean bMaximize)
  {
    for (int i = 0; i < m_vecFGraphs.size(); i++) {
      FactorGraph fg = (FactorGraph) m_vecFGraphs.get(i);
      fg.beliefPropagation(bMaximize);
    }
    
    return true;
  }

  public boolean setMPE()
  {
    for (int i = 0; i < m_vecFGraphs.size(); i++) {
      FactorGraph fg = (FactorGraph) m_vecFGraphs.get(i);
      fg.setMPE();
    }
    
    return true;
  }

  public void cleanup()
  {
    for (int i = 0; i < m_vecFGraphs.size(); i++) {
      FactorGraph fg = (FactorGraph) m_vecFGraphs.get(i);
      fg.cleanup();
    }
  }

}