package com.xzx.gc.util;
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import java.io.Serializable;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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public class PageQuery<T> implements Serializable {
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private static final long serialVersionUID = -7523359884334787081L;
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public static final String pageFlag = "_page";
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public static final Boolean pageObj;
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public static long DEFAULT_PAGE_SIZE;
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protected List<T> list;
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protected Object paras;
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protected String orderBy;
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protected long pageNumber;
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protected long pageSize;
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protected long totalPage;
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protected long totalRow;
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private transient PageQuery.ParasBuilder parasBuilder;
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public PageQuery() {
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this(1L, (Object)null);
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}
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public PageQuery(long pageNumber) {
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this(pageNumber, (Object)null);
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}
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public PageQuery(long pageNumber, long pageSize) {
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this(pageNumber, (Object)null);
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this.pageSize = pageSize;
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}
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public PageQuery(long pageNumber, long pageSize, Object paras) {
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this(pageNumber, paras);
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this.pageSize = pageSize;
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}
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public PageQuery(long pageNumber, Object paras) {
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this.pageSize = DEFAULT_PAGE_SIZE;
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this.totalRow = -1L;
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this.parasBuilder = new PageQuery.ParasBuilder();
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this.pageNumber = pageNumber;
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this.paras = paras;
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}
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public PageQuery(long pageNumber, Object paras, String userDefinedOrderBy) {
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this.pageSize = DEFAULT_PAGE_SIZE;
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this.totalRow = -1L;
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this.parasBuilder = new PageQuery.ParasBuilder();
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this.pageNumber = pageNumber;
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this.paras = paras;
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this.orderBy = userDefinedOrderBy;
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}
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public PageQuery(long pageNumber, Object paras, long totalRow) {
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this(pageNumber, paras);
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this.totalRow = totalRow;
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}
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public PageQuery(long pageNumber, Object paras, String userDefinedOrderBy, long totalRow) {
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this.pageSize = DEFAULT_PAGE_SIZE;
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this.totalRow = -1L;
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this.parasBuilder = new PageQuery.ParasBuilder();
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this.pageNumber = pageNumber;
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this.paras = paras;
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this.orderBy = userDefinedOrderBy;
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this.totalRow = totalRow;
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}
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public PageQuery(long pageNumber, Object paras, long totalRow, long pageSize) {
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this(pageNumber, paras);
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this.totalRow = totalRow;
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this.pageSize = pageSize;
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}
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public List<T> getList() {
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return this.list;
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}
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public void setList(List list) {
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this.list = list;
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}
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public long getPageNumber() {
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return this.pageNumber;
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}
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public void setPageNumber(long pageNumber) {
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this.pageNumber = pageNumber;
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}
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public long getPageSize() {
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return this.pageSize;
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}
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public void setPageSize(long pageSize) {
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this.pageSize = pageSize;
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}
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public long getTotalPage() {
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this.calcTotalPage();
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return this.totalPage;
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}
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public long getTotalRow() {
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return this.totalRow;
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}
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public void setTotalRow(long totalRow) {
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this.totalRow = totalRow;
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}
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public boolean isFirstPage() {
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return this.pageNumber == 1L;
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}
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public boolean isLastPage() {
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this.calcTotalPage();
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return this.pageNumber == this.totalPage;
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}
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public Object getParas() {
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return this.paras;
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}
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public void setParas(Object paras) {
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this.parasBuilder.setRoot(paras);
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this.paras = this.parasBuilder.build();
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}
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public void setPara(String key, Object value) {
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this.parasBuilder.set(key, value);
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this.paras = this.parasBuilder.build();
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}
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public String getOrderBy() {
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return this.orderBy;
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}
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public void setOrderBy(String orderBy) {
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this.orderBy = orderBy;
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}
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public PageQuery.ParasBuilder parasBuilder() {
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return this.parasBuilder;
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}
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private void calcTotalPage() {
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if (this.totalRow == 0L) {
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this.totalPage = 1L;
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} else if (this.totalRow % this.pageSize == 0L) {
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this.totalPage = this.totalRow / this.pageSize;
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} else {
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this.totalPage = this.totalRow / this.pageSize + 1L;
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}
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}
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@Override
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public int hashCode() {
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boolean prime = true;
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int result = 1;
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result = 31 * result + (this.orderBy == null ? 0 : this.orderBy.hashCode());
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result = 31 * result + (int)(this.pageNumber ^ this.pageNumber >>> 32);
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result = 31 * result + (int)(this.pageSize ^ this.pageSize >>> 32);
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result = 31 * result + (this.paras == null ? 0 : this.paras.hashCode());
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return result;
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}
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@Override
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public boolean equals(Object obj) {
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if (this == obj) {
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return true;
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} else if (obj == null) {
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return false;
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} else if (this.getClass() != obj.getClass()) {
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return false;
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} else {
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PageQuery other = (PageQuery)obj;
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if (this.orderBy == null) {
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if (other.orderBy != null) {
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return false;
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}
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} else if (!this.orderBy.equals(other.orderBy)) {
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return false;
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}
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if (this.pageNumber != other.pageNumber) {
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return false;
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} else if (this.pageSize != other.pageSize) {
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return false;
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} else if (this.paras == null) {
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return other.paras == null;
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} else {
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return this.paras.equals(other.paras);
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}
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}
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}
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static {
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pageObj = Boolean.TRUE;
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DEFAULT_PAGE_SIZE = 20L;
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}
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public static class ParasBuilder {
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private Object root;
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private Map map = null;
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public ParasBuilder() {
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}
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public Object build() {
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if (this.map != null && this.root != null) {
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this.map.put("_root", this.root);
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return this.map;
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} else if (this.map == null && this.root != null) {
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return this.root;
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} else {
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return this.map != null && this.root == null ? this.map : null;
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}
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}
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public Object getRoot() {
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return this.root;
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}
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public void setRoot(Object o) {
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this.root = o;
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}
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public void set(String key, Object value) {
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if (this.map == null) {
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this.map = new HashMap();
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}
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this.map.put(key, value);
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}
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}
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}
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