pagination.java

perfectpets的组织为全国的宠物诊所提供了个体健康管理。为不同城市的不同诊所提供了该服务。Perfectpets注意到在该业务领域缺乏交流

package com.pet.toolkit;

/*
 * 类Pagination是处理分页的工具
 */
public class Pagination {
	private int pageSize;
	private long totalPage;
	private long totalResult;
	private int currentPage;
	
	public Pagination(int pageSize,long totalResult){
		this.currentPage=1;
		this.pageSize=pageSize;
		this.totalResult=totalResult;
		this.totalPage=(long)Math.ceil(totalResult/(double)pageSize);
	}
	
	public boolean hasNext(){
		if(this.currentPage>=this.totalPage)
			return false;
		return true;
	}
	
	public boolean hasPrevious(){
		if(this.currentPage<=1)
			return false;
		return true;
	}
	public int getPageSize() {
		return pageSize;
	}
	public void setPageSize(int pageSize) {
		this.pageSize = pageSize;
	}
	public long getTotalPage() {
		return totalPage;
	}
	public void setTotalPage(long totalPage) {
		this.totalPage = totalPage;
	}
	public long getTotalResult() {
		return totalResult;
	}
	public void setTotalResult(long totalResult) {
		this.totalResult = totalResult;
	}
	public int getCurrentPage() {
		return currentPage;
	}
	public void setCurrentPage(int currentPage) {
		this.currentPage = currentPage;
	}
}