/*
 * Copyright (C) 2003-2011 eXo Platform SAS.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
package org.etk.common.utils;

import java.util.List;

/**
 * Created by The eXo Platform SAS
 * Author : eXoPlatform
 *          thanhvucong.78@google.com
 * Aug 13, 2011  
 */
public class LazyPageList<E> extends PageList<E>
{

   private final LazyList<E> list;

   public LazyPageList(ListAccess<E> listAccess, int pageSize)
   {
      super(pageSize);

      //
      this.list = new LazyList<E>(listAccess, pageSize);

      // This results from bad design
      setAvailablePage(list.size());
   }

   protected void populateCurrentPage(int page) throws Exception
   {
      int from = getFrom();
      int to = getTo();
      currentListPage_ = list.subList(from, to);
   }

   public List<E> getAll() throws Exception
   {
      return list;
   }
}