1 /*
2 * Copyright 2009-2022 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.apache.ibatis.scripting.xmltags;
17
18 import java.util.List;
19
20 /**
21 * @author Clinton Begin
22 */
23 public class ChooseSqlNode implements SqlNode {
24 private final SqlNode defaultSqlNode;
25 private final List<SqlNode> ifSqlNodes;
26
27 public ChooseSqlNode(List<SqlNode> ifSqlNodes, SqlNode defaultSqlNode) {
28 this.ifSqlNodes = ifSqlNodes;
29 this.defaultSqlNode = defaultSqlNode;
30 }
31
32 @Override
33 public boolean apply(DynamicContext context) {
34 for (SqlNode sqlNode : ifSqlNodes) {
35 if (sqlNode.apply(context)) {
36 return true;
37 }
38 }
39 if (defaultSqlNode != null) {
40 defaultSqlNode.apply(context);
41 return true;
42 }
43 return false;
44 }
45 }