rowset.java

SAP这个系统的一个转换器

package com.idoc.util.db;

/**
 * <p>Title: IDOC Interface</p>
 * <p>Description: IDOC 转换器</p>
 * <p>Copyright: Copyright (c) 2004</p>
 * <p>Company: SiChuan XinHua</p>
 * @author Richary
 * @version 1.0
 */

import java.util.Vector;
import java.util.Enumeration;
import java.util.ArrayList;
import java.util.LinkedList;

public class RowSet implements java.io.Serializable {

  private Vector vector = new Vector();
  //private ArrayList array = new ArrayList();
  //LinkedList list = new LinkedList();
  //int count = 0;
  public RowSet() {
  }

  /**
   * 记录集中插入一行
   * @param row
   */
  public void add(Row row) {
    vector.addElement(row);
    //vector.add(row);
    //array.add(row);
    //list.add(row);
  }

  /**
   * 记录集的长度（有多少条记录）
   * @return
   */
  public int length() {
    return vector.size();
    //return array.size();
    //return list.size();
  }

  /**
   * 根据下标得到一条记录
   * @param which
   * @return
   */
  public Row get(int which) {
    return (Row)vector.elementAt(which);
    //return (Row)vector.get(which);
    //return (Row)array.get(which);
    //return (Row)list.get(which);
  }

  public Vector getVector() {
    return this.vector;
  }

  public void setVector(Vector vec) {
    this.vector = vec;
  }

  public void setRow(int which, Row row) {
    vector.set(which, row);
    //vector.removeElementAt(which);
    //vector.add(which, row);
  }

  public void dump() {
    for (Enumeration e=vector.elements(); e.hasMoreElements();) {
      ((Row)e.nextElement()).dump();
    }
  }
public void release(){
    if(this.vector!=null){
      this.vector.clear();
      this.vector=null;
    }
  }
}