package com.highdatas.mdm.pojo;
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public class Page {
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private int pageSize;
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private long recordCount;
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private int pageNo;
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public Page(long recordCount) {
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this.pageSize = 20;
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this.pageNo = 1;
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this.recordCount = recordCount;
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}
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public int getBeginRecordNo() {
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int recordNo = pageSize * (pageNo - 1) + 1;
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return recordNo;
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}
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public int getBeginRecordNo_1() {
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int recordNo = getBeginRecordNo();
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return recordNo - 1;
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}
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public long getEndRecordNo() {
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long recordNo = pageSize * pageNo;
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return Math.min(recordNo, recordCount);
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}
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public long getRecordNo() {
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long recordNo = pageSize * pageNo;
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return recordNo;
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}
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public long getPreRecordNo() {
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long recordNo = pageSize * (pageNo - 1);
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return recordNo;
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}
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public int getPageSize() {
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return pageSize;
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}
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public int getPageNo() {
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return pageNo;
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}
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public long getRecordCount() {
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return recordCount;
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}
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public int getPageCount() {
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return (int)Math.ceil(recordCount * 1.0d / pageSize);
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}
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public void setRecordCount(int count) {
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this.recordCount = count;
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}
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public void setPageSize(int value) {
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if (value <= 0) {
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return;
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}
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pageSize = value;
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}
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public void setPageNo(int pageNo) {
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this.pageNo = pageNo;
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}
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public String getLimitSQL() {
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return " limit " + getBeginRecordNo_1() + ", " + pageSize;
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}
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}
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