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.ddl.cursor;
19
20 import lombok.Getter;
21 import lombok.RequiredArgsConstructor;
22 import lombok.Setter;
23 import org.apache.shardingsphere.sql.parser.sql.common.enums.DirectionType;
24 import org.apache.shardingsphere.sql.parser.sql.common.segment.SQLSegment;
25
26 import java.util.Optional;
27
28 /**
29 * Direction segment.
30 */
31 @RequiredArgsConstructor
32 @Getter
33 @Setter
34 public final class DirectionSegment implements SQLSegment {
35
36 private final int startIndex;
37
38 private final int stopIndex;
39
40 private DirectionType directionType;
41
42 private Long count;
43
44 /**
45 * Get direction type.
46 *
47 * @return direction type
48 */
49 public Optional<DirectionType> getDirectionType() {
50 return Optional.ofNullable(directionType);
51 }
52
53 /**
54 * Get count.
55 *
56 * @return count
57 */
58 public Optional<Long> getCount() {
59 return Optional.ofNullable(count);
60 }
61 }