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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 examples.mysql;
17  
18  import java.util.Objects;
19  
20  import org.mybatis.dynamic.sql.BasicColumn;
21  import org.mybatis.dynamic.sql.BindableColumn;
22  import org.mybatis.dynamic.sql.render.RenderingContext;
23  import org.mybatis.dynamic.sql.select.function.AbstractTypeConvertingFunction;
24  import org.mybatis.dynamic.sql.util.FragmentAndParameters;
25  
26  public class MemberOfFunction<T> extends AbstractTypeConvertingFunction<T, Long, MemberOfFunction<T>> {
27  
28      private final String jsonArray;
29  
30      protected MemberOfFunction(BasicColumn column, String jsonArray) {
31          super(column);
32          this.jsonArray = Objects.requireNonNull(jsonArray);
33      }
34  
35      @Override
36      protected MemberOfFunction<T> copy() {
37          return new MemberOfFunction<>(column, jsonArray);
38      }
39  
40      @Override
41      public FragmentAndParameters render(RenderingContext renderingContext) {
42          return column.render(renderingContext)
43                  .mapFragment(f -> f + " member of(" + jsonArray + ")");
44      }
45  
46      public static <T> MemberOfFunction<T> memberOf(BindableColumn<T> column, String jsonArray) {
47          return new MemberOfFunction<>(column, jsonArray);
48      }
49  }