example.java

这是一个用于测试用的搜索引擎的案例

package ir.classifiers;

import java.util.*;
import ir.vsr.*;

/**
 *  An object to hold training or test examples for categorization. 
 *  Stores the name, category and HashMapVector representation of
 *  the example.
 *
 * @author       Sugato Basu, Prem Melville, and Ray Mooney
 */

public class Example {

  /** Name of the example */
  protected String name;

  /** Category index of the example */
  protected int category;

  /** Representation of the example as a vector of (feature -> weight) mappings */
  protected HashMapVector hashVector;

  /** fileDocument object for the example */
  protected FileDocument document;

  public Example(HashMapVector input, int cat, String id, FileDocument doc){
    hashVector = input;
    category = cat;
    name = id;
    document = doc;
  }
  
  /** Sets the name of the example */
  public void setName(String id){
    name = id;
  }
  
  /** Returns the name of the example */
  public String getName(){
    return name;
  }
  
  /** Sets the category of the example */
  public void setCategory(int cat){
    category = cat;
  }
  
  /** Returns the category of the example */
  public int getCategory(){
    return category;
  }
  
  /** Sets the hashVector of the example */
  public void setHashMapVector(HashMapVector v) {
    hashVector = v;
  }
  
  /** Returns the hashVector of the example */
  public HashMapVector getHashMapVector(){
    return hashVector;
  }

  /** Sets the document of the example */
  public void setDocument(FileDocument doc) {
    document = doc;
  }
  
  /** Returns the document of the example */
  public FileDocument getDocument(){
    return document;
  }
  
  /** Returns the String representation of the example object */
  public String toString(){
    String str;
    str = "Name:" + name + ", Category: "+category + "\n";
    return str;
  }
}