content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You 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
   *
   *    http://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 org.apache.dolphinscheduler.api.utils;
  
  import java.util.Collections;
  import java.util.List;
  
  import lombok.Data;
  
  import com.baomidou.mybatisplus.core.metadata.IPage;
  
  @Data
  public class PageInfo<T> {
  
      /**
       * totalList
       */
      private List<T> totalList = Collections.emptyList();
      /**
       * total
       */
      private Integer total = 0;
      /**
       * total Page
       */
      private Integer totalPage;
      /**
       * page size
       */
      private Integer pageSize = 20;
      /**
       * current page
       */
      private Integer currentPage = 0;
      /**
       * pageNo
       */
      private Integer pageNo;
  
      public PageInfo() {
  
      }
  
      public PageInfo(Integer currentPage, Integer pageSize) {
          if (currentPage == null) {
              currentPage = 1;
          }
          this.pageNo = (currentPage - 1) * pageSize;
          this.pageSize = pageSize;
          this.currentPage = currentPage;
      }
  
      public static <T> PageInfo<T> of(IPage<T> iPage) {
          PageInfo<T> pageInfo = new PageInfo<>((int) iPage.getCurrent(), (int) iPage.getSize());
          pageInfo.setTotalList(iPage.getRecords());
          pageInfo.setTotal((int) iPage.getTotal());
          return pageInfo;
      }
  
      public static <T> PageInfo<T> of(Integer currentPage, Integer pageSize) {
          return new PageInfo<>(currentPage, pageSize);
      }
  }
  