phonebook.java

Tapestry的一个练习例子

package com.ttdev.table;

import java.util.ArrayList;
import java.util.List;

public class PhoneBook {
	private PhoneBookTable table;

	public PhoneBook(PhoneBookTable table) {
		this.table = table;
	}
	public int getNoEntries() {
		return table.selectCount();
		}
	public void deleteEntry(int id) {
		table.delete(id);
		}	
	public List getSomeEntries(
			int startIdx,
			int noEntries,
			String sortColumnId,
			boolean isAscending) {
			ResultSet rs = table.selectLimit(startIdx, noEntries, sortColumnId, isAscending);
			List result = new ArrayList();
			while (rs.next()) {
			result.add(rs.readEntry());
			}
			return result;
			}	
	public List getEntries() {
		List result = new ArrayList();
		ResultSet rs = table.selectAll();
		while (rs.next()) {
			result.add(rs.readEntry());
		}
		return result;
	}
}