pagination.java

Speedframework--基于类型元数据的羽量级ORM.完全基于Java类型元数据和反射机制同时不需要任何对象关系映射配置文件的轻量级ORM框架,它充分利用了类型本身的信息,使用Metadata

package org.speedframework.entity;

/**
 * <p>Title: SpeedFrameworkWork持久层框架</p>
 *
 * <p>Description: 分页类</p>
 *
 * <p>Copyright: Copyright (c) 2005</p>
 *
 * <p>Company: SpeedFrameworkWork</p>
 * @author 李志峰 电话：[phone]
 * @version 1.1beta
 */
public class Pagination {
  /**
   * 每页显示行数
   */
  private int count = 10; //每页显示行数

  /**
   * 总行数
   */
  private int totalCount = 0; //总行数

  /**
   * 总页数
   */
  private int totalPage = 0; //总页数

  /**
   * 从页面传过来的页数
   */
  private int page = 0; //从页面传过来的页数

  /**
   * 是否有下一页
   */
  private boolean hasNextPage = false; //是否有下一页

  /**
   * 是否有前一页
   */
  private boolean hasPreviousPage = false; //是否有前一页

  /**
   * @return Returns the count.
   */
  public int getCount() {
    return count;
  }

  /**
   * @param count The count to set.
   */
  public void setCount(int count) {
    this.count = count;
  }

  /**
   * @return Returns the currPage.
   */
  public int getCurrPage() {
    return page;
  }

  /**
   * @return Returns the totalPage.
   */
  public int getTotalPage() {
    totalPage = totalCount / count;
    if (totalCount % count > 0 || totalPage == 0) {
      totalPage += 1;
    }
    return totalPage;
  }

  /**
   * @return Returns the page.
   */
  public int getPage() {
    return this.page;
  }

  /**
   * @param page The page to set.
   */
  public void setPage(int page) {
    this.page = page;
  }

  /**
   * @return Returns the totalCount.
   */
  public int getTotalCount() {
    return totalCount;
  }

  /**
   * @param totalCount The totalCount to set.
   */
  public void setTotalCount(int totalCount) {
    this.totalCount = totalCount;
  }

  /**
   * @return Returns the hasNextPage.
   */
  public boolean isHasNextPage() {
    if (getCurrPage() >= getTotalPage()) {
      hasNextPage = false;
    }
    else {
      hasNextPage = true;
    }
    return hasNextPage;
  }

  /**
   * @return Returns the hasPreviousPage.
   */
  public boolean isHasPreviousPage() {
    if ( (getCurrPage() - 1) > 0) {
      hasPreviousPage = true;
    }
    else {
      hasPreviousPage = false;
    }
    return hasPreviousPage;
  }

  /**
   * 获得下一页的页数
   * @return
   */
  public int getNextPage() {
    return page + 1;
  }

  /**
   * 获得上一页的页数
   * @return
   */
  public int getPreviousPage() {
    return page - 1;
  }
}