listquery.java

EasyJWeb的框架代码

package com.easyjf.web.tools;

import java.util.Collection;
import java.util.List;
/**
 * 分页列表查询算法实现，当前功能还不全
 * @author 大峡
 *
 */
public class ListQuery implements IQuery {
	private int begin = 0;

	private int max = 0;

	private List list = null;

	public ListQuery() {

	}

	public ListQuery(List l) {
		if (l != null) {
			this.list = l;
			this.max = l.size();
		}
	}

	public void initList(List l) {
		this.list = l;
		this.max = l.size();
	}

	public int getRows(String conditing) {

		return (list == null ? 0 : list.size());
	}

	public List getResult(String conditing) {
		return list.subList(begin, begin + max > list.size() ? list.size()
				: begin + max);
	}

	public void setFirstResult(int begin) {
		this.begin = list.size() < begin ? list.size() : begin;
	}

	public void setMaxResults(int max) {
		this.max = max;
	}

	public List getResult(String conditing, int begin, int max) {

		return list;
	}

	public void setParaValues(Collection paraValues) {
		// TODO Auto-generated method stub
	}
}