resultiterator.java

来自「cwbbs 云网论坛源码」· Java 代码 · 共 74 行

package cn.js.fan.db;

import java.util.*;


public class ResultIterator implements Iterator,java.io.Serializable {
    HashMap mapIndex;
    Vector result;
    int curRowIndex = 0;
    int rows = 0;
    Vector curRow;
    long total = 0;   

    public ResultIterator() {

    }

    public ResultIterator(Vector result, HashMap mapIndex) {
        if (result==null)
            return;
        this.result = result;
        rows = result.size();
        this.mapIndex = mapIndex;
    }

    public ResultIterator(Vector result, HashMap mapIndex, long total) {
        if (result==null)
            return;
        this.result = result;
        this.total = total;
        rows = result.size();
        this.mapIndex = mapIndex;
    }

    
    public int size() {
        return rows;
    }

    public int getRows() {
        return rows;
    }

    public void setTotal(long t) {
        this.total = t;
    }

    public long getTotal() {
        return this.total;
    }

    
    public boolean hasNext() {
        if (result==null) return false;
        if (curRowIndex<=rows-1)
            return true;
        else
            return false;
    }

    
    public Object next() {
        curRow = (Vector)result.elementAt(curRowIndex);
        curRowIndex ++;
        return new ResultRecord(curRow, mapIndex);
    }

    
    public void remove() throws RuntimeException {
        throw new RuntimeException("This operate is not suported！");
    }

}