View Javadoc
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.generic;
19  
20  import lombok.Getter;
21  import lombok.RequiredArgsConstructor;
22  import lombok.Setter;
23  import org.apache.shardingsphere.sql.parser.sql.common.segment.SQLSegment;
24  import org.apache.shardingsphere.sql.parser.sql.common.value.identifier.IdentifierValue;
25  
26  import java.util.Optional;
27  
28  /**
29   * Owner segment.
30   */
31  @RequiredArgsConstructor
32  @Getter
33  @Setter
34  public final class OwnerSegment implements SQLSegment {
35      
36      private final int startIndex;
37      
38      private final int stopIndex;
39      
40      private final IdentifierValue identifier;
41      
42      private OwnerSegment owner;
43      
44      /**
45       * Get owner.
46       *
47       * @return owner segment
48       */
49      public Optional<OwnerSegment> getOwner() {
50          return Optional.ofNullable(owner);
51      }
52  }