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cn.yangjunda.hibernate_pagehelper.PageInfo Maven / Gradle / Ivy
package cn.yangjunda.hibernate_pagehelper;
/**
* Created by juanda on 12/6/17.
*/
import java.io.Serializable;
import java.util.List;
public class PageInfo implements Serializable {
private static final long serialVersionUID = 1L;
private int pageNum;
private int pageSize;
private int size;
private String orderBy;
private int startRow;
private int endRow;
private long total;
private int pages;
private List list;
private int firstPage;
private int prePage;
private int nextPage;
private int lastPage;
private boolean isFirstPage;
private boolean isLastPage;
private boolean hasPreviousPage;
private boolean hasNextPage;
private int navigatePages;
private int[] navigatepageNums;
public PageInfo() {
this.isFirstPage = false;
this.isLastPage = false;
this.hasPreviousPage = false;
this.hasNextPage = false;
}
public PageInfo(Page page, String hql) {
this(page, hql, null, 8);
}
public PageInfo(Page page, String hql, Object object) {
this(page, hql, object, 8);
}
public PageInfo(Page page, String hql, Object object, int navigatePages){
this.isFirstPage = false;
this.isLastPage = false;
this.hasPreviousPage = false;
this.hasNextPage = false;
this.pageNum = page.getPageNum();
this.pageSize = page.getPageSize();
this.orderBy = page.getOrderBy();
if(hql!=null){
page.setTotal(SqlUtil.getCount(hql));
this.pages = page.getPages();
this.total = page.getTotal();
page = (Page) SqlUtil.getPage(hql,this.getPageNum(),this.getPageSize(),page.getOrderBy());
this.list = page;
this.size = page.size();
}else {
this.list = new Page() {
};
}
if(this.size == 0) {
this.startRow = 0;
this.endRow = 0;
} else {
this.startRow = page.getStartRow() + 1;
this.endRow = this.startRow - 1 + this.size;
}
this.navigatePages = navigatePages;
this.calcNavigatepageNums();
this.calcPage();
this.judgePageBoudary();
}
private void calcNavigatepageNums() {
int startNum;
if(this.pages <= this.navigatePages) {
this.navigatepageNums = new int[this.pages];
for(startNum = 0; startNum < this.pages; ++startNum) {
this.navigatepageNums[startNum] = startNum + 1;
}
} else {
this.navigatepageNums = new int[this.navigatePages];
startNum = this.pageNum - this.navigatePages / 2;
int endNum = this.pageNum + this.navigatePages / 2;
int i;
if(startNum < 1) {
startNum = 1;
for(i = 0; i < this.navigatePages; ++i) {
this.navigatepageNums[i] = startNum++;
}
} else if(endNum > this.pages) {
endNum = this.pages;
for(i = this.navigatePages - 1; i >= 0; --i) {
this.navigatepageNums[i] = endNum--;
}
} else {
for(i = 0; i < this.navigatePages; ++i) {
this.navigatepageNums[i] = startNum++;
}
}
}
}
private void calcPage() {
if(this.navigatepageNums != null && this.navigatepageNums.length > 0) {
this.firstPage = this.navigatepageNums[0];
this.lastPage = this.navigatepageNums[this.navigatepageNums.length - 1];
if(this.pageNum > 1) {
this.prePage = this.pageNum - 1;
}
if(this.pageNum < this.pages) {
this.nextPage = this.pageNum + 1;
}
}
}
private void judgePageBoudary() {
this.isFirstPage = this.pageNum == 1;
this.isLastPage = this.pageNum == this.pages;
this.hasPreviousPage = this.pageNum > 1;
this.hasNextPage = this.pageNum < this.pages;
}
public int getPageNum() {
return this.pageNum;
}
public void setPageNum(int pageNum) {
this.pageNum = pageNum;
}
public int getPageSize() {
return this.pageSize;
}
public void setPageSize(int pageSize) {
this.pageSize = pageSize;
}
public int getSize() {
return this.size;
}
public void setSize(int size) {
this.size = size;
}
public String getOrderBy() {
return this.orderBy;
}
public void setOrderBy(String orderBy) {
this.orderBy = orderBy;
}
public int getStartRow() {
return this.startRow;
}
public void setStartRow(int startRow) {
this.startRow = startRow;
}
public int getEndRow() {
return this.endRow;
}
public void setEndRow(int endRow) {
this.endRow = endRow;
}
public long getTotal() {
return this.total;
}
public void setTotal(long total) {
this.total = total;
}
public int getPages() {
return this.pages;
}
public void setPages(int pages) {
this.pages = pages;
}
public List getList() {
return this.list;
}
public void setList(List list) {
this.list = list;
}
public int getFirstPage() {
return this.firstPage;
}
public void setFirstPage(int firstPage) {
this.firstPage = firstPage;
}
public int getPrePage() {
return this.prePage;
}
public void setPrePage(int prePage) {
this.prePage = prePage;
}
public int getNextPage() {
return this.nextPage;
}
public void setNextPage(int nextPage) {
this.nextPage = nextPage;
}
public int getLastPage() {
return this.lastPage;
}
public void setLastPage(int lastPage) {
this.lastPage = lastPage;
}
public boolean isIsFirstPage() {
return this.isFirstPage;
}
public void setIsFirstPage(boolean isFirstPage) {
this.isFirstPage = isFirstPage;
}
public boolean isIsLastPage() {
return this.isLastPage;
}
public void setIsLastPage(boolean isLastPage) {
this.isLastPage = isLastPage;
}
public boolean isHasPreviousPage() {
return this.hasPreviousPage;
}
public void setHasPreviousPage(boolean hasPreviousPage) {
this.hasPreviousPage = hasPreviousPage;
}
public boolean isHasNextPage() {
return this.hasNextPage;
}
public void setHasNextPage(boolean hasNextPage) {
this.hasNextPage = hasNextPage;
}
public int getNavigatePages() {
return this.navigatePages;
}
public void setNavigatePages(int navigatePages) {
this.navigatePages = navigatePages;
}
public int[] getNavigatepageNums() {
return this.navigatepageNums;
}
public void setNavigatepageNums(int[] navigatepageNums) {
this.navigatepageNums = navigatepageNums;
}
public String toString() {
StringBuffer sb = new StringBuffer("PageInfo{");
sb.append("pageNum=").append(this.pageNum);
sb.append(", pageSize=").append(this.pageSize);
sb.append(", size=").append(this.size);
sb.append(", startRow=").append(this.startRow);
sb.append(", endRow=").append(this.endRow);
sb.append(", total=").append(this.total);
sb.append(", pages=").append(this.pages);
sb.append(", list=").append(this.list);
sb.append(", firstPage=").append(this.firstPage);
sb.append(", prePage=").append(this.prePage);
sb.append(", nextPage=").append(this.nextPage);
sb.append(", lastPage=").append(this.lastPage);
sb.append(", isFirstPage=").append(this.isFirstPage);
sb.append(", isLastPage=").append(this.isLastPage);
sb.append(", hasPreviousPage=").append(this.hasPreviousPage);
sb.append(", hasNextPage=").append(this.hasNextPage);
sb.append(", navigatePages=").append(this.navigatePages);
sb.append(", navigatepageNums=");
if(this.navigatepageNums == null) {
sb.append("null");
} else {
sb.append('[');
for(int i = 0; i < this.navigatepageNums.length; ++i) {
sb.append(i == 0?"":", ").append(this.navigatepageNums[i]);
}
sb.append(']');
}
sb.append('}');
return sb.toString();
}
}
