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.infra.binder.context.segment.select.orderby;
19
20 import lombok.Getter;
21 import lombok.RequiredArgsConstructor;
22 import lombok.Setter;
23 import org.apache.shardingsphere.sql.parser.statement.core.segment.dml.order.item.OrderByItemSegment;
24
25 /**
26 * Order by item.
27 */
28 @RequiredArgsConstructor
29 @Getter
30 @Setter
31 public final class OrderByItem {
32
33 private final OrderByItemSegment segment;
34
35 private int index;
36
37 @Override
38 public boolean equals(final Object obj) {
39 if (!(obj instanceof OrderByItem)) {
40 return false;
41 }
42 OrderByItem orderByItem = (OrderByItem) obj;
43 return segment.getOrderDirection() == orderByItem.segment.getOrderDirection() && index == orderByItem.index;
44 }
45
46 @Override
47 public int hashCode() {
48 return segment.getOrderDirection().hashCode() + Integer.hashCode(index);
49 }
50 }