1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18 package org.apache.shardingsphere.sql.parser.sql.common.segment.dml.expr;
19
20 import lombok.Getter;
21 import lombok.RequiredArgsConstructor;
22 import lombok.Setter;
23
24 import java.util.Collection;
25 import java.util.LinkedList;
26
27 /**
28 * In expression.
29 */
30 @RequiredArgsConstructor
31 @Getter
32 @Setter
33 public final class InExpression implements ExpressionSegment {
34
35 private final int startIndex;
36
37 private final int stopIndex;
38
39 private final ExpressionSegment left;
40
41 private final ExpressionSegment right;
42
43 private final boolean not;
44
45 /**
46 * Get expression list from right.
47 *
48 * @return expression list.
49 */
50 public Collection<ExpressionSegment> getExpressionList() {
51 Collection<ExpressionSegment> result = new LinkedList<>();
52 if (right instanceof ListExpression) {
53 result.addAll(((ListExpression) right).getItems());
54 } else {
55 result.add(this);
56 }
57 return result;
58 }
59
60 @Override
61 public String getText() {
62 return left.getText() + right.getText();
63 }
64 }