pagebase.java

tbuy1.1.5是在netbeans环境下用JSF技术编写的一个论坛tbuy1.1.5是在netbeans环境下用JSF技术编写的一个论坛

/*
 * PageBase.java
 * 
 * Created on 2007-8-19, 8:35:06
 * 
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package biz.tbuy.common.page;

/**
 *
 * @author Administrator
 */
public abstract class PageBase {

    public PageBase() {
    }
    
    /**
     * dataList: List<someData>
     * @return DataPage [new DataPage(total, startRow, dataList)]
     */ 
    protected abstract DataPage getDataPage(int startRow, int pageSize);
    
    protected class LocalDataModel extends PagedListDataModel {
        public  LocalDataModel(int pageSize) {
             super (pageSize);
        }
        
        public DataPage fetchPage(int startRow,int pageSize) {
             // call enclosing managed bean method to fetch the data 
             return getDataPage(startRow, pageSize);
        }
    }
}