已存在 PagingAndSortingQueryParams。

src/main/java/xyz/zhouxy/plusone/commons/util/PagingParams.java

@@ -1,68 +0,0 @@
-/*
- * Copyright 2022-2023 the original author or authors.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      https://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package xyz.zhouxy.plusone.commons.util;
-
-import javax.annotation.Nullable;
-
-import xyz.zhouxy.plusone.commons.annotation.StaticFactoryMethod;
-
-/**
- * PageInfo
- * 
- * <p>
- * 推荐的实现是，请求处理方法用两个 RequestParam 分别接收请求中的 pageNumber 和 size，
- * 应用服务使用 {@link PagingParams#of(Long pageNumber, Integer size)} 构建 PagingParams 对象,
- * 用于查询数据库。
- * </p>
- * 
- * @author <a href="https://gitee.com/zhouxy108">ZhouXY</a>
- */
-public class PagingParams {
-    private final long pageNumber;
-    private final int size;
-    private final long offset;
-
-    private PagingParams(long pageNumber, int size) {
-        this.pageNumber = pageNumber;
-        this.size = size;
-        this.offset = (pageNumber - 1) * size;
-    }
-
-    @StaticFactoryMethod(PagingParams.class)
-    public static PagingParams of(@Nullable Long pageNumber, @Nullable Integer size) {
-        pageNumber = pageNumber == null ? 1 : pageNumber;
-        size = size == null ? 15 : size;
-        return new PagingParams(pageNumber, size);
-    }
-
-    public long getPageNumber() {
-        return pageNumber;
-    }
-
-    public int getSize() {
-        return size;
-    }
-
-    public long getOffset() {
-        return offset;
-    }
-
-    @Override
-    public String toString() {
-        return "PageInfo [pageNumber=" + pageNumber + ", size=" + size + "]";
-    }
-}