peopleinmessage.java

这是一个matlab的java实现。里面有许多内容。请大家慢慢捉摸。

/* Copyright (C) 2003 Univ. of Massachusetts Amherst, Computer Science Dept.
   This file is part of "MALLET" (MAchine Learning for LanguagE Toolkit).
   http://www.cs.umass.edu/~mccallum/mallet
   This software is provided under the terms of the Common Public License,
   version 1.0, as published by http://www.opensource.org.  For further
   information, see the file `LICENSE' included with this distribution. */

/**  People from emails.
 *   @author Ron Bekkerman <A HREF="mailto:[e-mail]">[e-mail]</A>
*/

package edu.umass.cs.mallet.projects.dex.types;

import java.util.Vector;


public class PeopleInMessage  {
    public PeopleInMessage() {
	people = new Vector();
    }
    
    public int size() {
	return people.size();
    }
    
    public PersonInMessage getPerson(int index) {
	return (PersonInMessage)people.elementAt(index);
    }
	
	//Converts this list of weighted people to a list of simple people
	public People getSimplePeople() {
		Vector simplePeople = new Vector();
		for(int i = 0; i < people.size(); i++) {
			PersonInMessage p = (PersonInMessage) people.elementAt(i);
			simplePeople.add(p.getSimplePerson());
		}
		return new People(simplePeople);
	}
	
    public void addPerson(PersonInMessage person) {
	people.addElement(person);
	int startSearch = people.size() - 1;
	for(int i = startSearch - 1; i >= 0; i--) {
	    PersonInMessage p = (PersonInMessage) people.elementAt(i);
	    if(p.loginsIntersect(person) || p.namesIntersect(person)) {
		p.mergeTwoPeople(person);
		people.remove(startSearch);
		startSearch = i;
		person = p;
	    }
	}
    }
    
	public void buildEmailLinks() {
		for (int i=0; i < people.size(); i++) {
	    Person p1 = getPerson(i);
	    for (int ii=0; ii < people.size(); ii++) {
				Person p2 = getPerson(i);
				if(i != ii)
					p1.addEmailLink(p2);
	    }
		}
	}
    public void reduceWeights() {
	for(int i = 0; i < people.size(); i++) {
	    PersonInMessage p = (PersonInMessage) people.elementAt(i);
	    double weight = p.getWeight();
	    weight = weight/2;
	    p.changeWeight(weight);
	}
    }
    
	public void addWordToContextModel(String word) {
		for(int i = 0; i < people.size(); i++) {
	    PersonInMessage p = (PersonInMessage) people.elementAt(i);
	    p.addWordToContextModel(word);
		}
	}
	
	//Fields
	public Vector people;
}