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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.where.condition;
17  
18  import java.util.NoSuchElementException;
19  import java.util.function.Function;
20  import java.util.function.Predicate;
21  
22  import org.jspecify.annotations.NonNull;
23  import org.mybatis.dynamic.sql.AbstractSingleValueCondition;
24  
25  public class IsGreaterThan<T> extends AbstractSingleValueCondition<T>
26          implements AbstractSingleValueCondition.Filterable<T>, AbstractSingleValueCondition.Mappable<T> {
27      private static final IsGreaterThan<?> EMPTY = new IsGreaterThan<Object>(-1) {
28          @Override
29          public Object value() {
30              throw new NoSuchElementException("No value present"); //$NON-NLS-1$
31          }
32  
33          @Override
34          public boolean isEmpty() {
35              return true;
36          }
37      };
38  
39      public static <T> IsGreaterThan<T> empty() {
40          @SuppressWarnings("unchecked")
41          IsGreaterThan<T> t = (IsGreaterThan<T>) EMPTY;
42          return t;
43      }
44  
45      protected IsGreaterThan(T value) {
46          super(value);
47      }
48  
49      @Override
50      public String operator() {
51          return ">"; //$NON-NLS-1$
52      }
53  
54      public static <T> IsGreaterThan<T> of(T value) {
55          return new IsGreaterThan<>(value);
56      }
57  
58      @Override
59      public IsGreaterThan<T> filter(Predicate<? super @NonNull T> predicate) {
60          return filterSupport(predicate, IsGreaterThan::empty, this);
61      }
62  
63      @Override
64      public <R> IsGreaterThan<R> map(Function<? super @NonNull T, ? extends @NonNull R> mapper) {
65          return mapSupport(mapper, IsGreaterThan::new, IsGreaterThan::empty);
66      }
67  }