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1   /*
2    *    Copyright 2016-2025 the original author or authors.
3    *
4    *    Licensed under the Apache License, Version 2.0 (the "License");
5    *    you may not use this file except in compliance with the License.
6    *    You may obtain a copy of the License at
7    *
8    *       https://www.apache.org/licenses/LICENSE-2.0
9    *
10   *    Unless required by applicable law or agreed to in writing, software
11   *    distributed under the License is distributed on an "AS IS" BASIS,
12   *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   *    See the License for the specific language governing permissions and
14   *    limitations under the License.
15   */
16  package org.mybatis.dynamic.sql.select.aggregate;
17  
18  import org.mybatis.dynamic.sql.BasicColumn;
19  import org.mybatis.dynamic.sql.BindableColumn;
20  import org.mybatis.dynamic.sql.render.RenderingContext;
21  import org.mybatis.dynamic.sql.select.function.AbstractUniTypeFunction;
22  import org.mybatis.dynamic.sql.util.FragmentAndParameters;
23  
24  public class Max<T> extends AbstractUniTypeFunction<T, Max<T>> {
25  
26      private Max(BasicColumn column) {
27          super(column);
28      }
29  
30      @Override
31      public FragmentAndParameters render(RenderingContext renderingContext) {
32          return column.render(renderingContext).mapFragment(s -> "max(" + s + ")"); //$NON-NLS-1$ //$NON-NLS-2$
33      }
34  
35      @Override
36      protected Max<T> copy() {
37          return new Max<>(column);
38      }
39  
40      public static <T> Max<T> of(BindableColumn<T> column) {
41          return new Max<>(column);
42      }
43  }