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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.table;
19  
20  import lombok.Getter;
21  import lombok.Setter;
22  import org.apache.shardingsphere.sql.parser.sql.common.segment.generic.AliasSegment;
23  import org.apache.shardingsphere.sql.parser.sql.common.value.identifier.IdentifierValue;
24  
25  import java.util.LinkedList;
26  import java.util.List;
27  import java.util.Optional;
28  
29  /**
30   * Delete multi table segment.
31   */
32  @Getter
33  @Setter
34  public final class DeleteMultiTableSegment implements TableSegment {
35      
36      private int startIndex;
37      
38      private int stopIndex;
39      
40      private List<SimpleTableSegment> actualDeleteTables = new LinkedList<>();
41      
42      private TableSegment relationTable;
43      
44      @Override
45      public Optional<String> getAliasName() {
46          return Optional.empty();
47      }
48      
49      @Override
50      public Optional<IdentifierValue> getAlias() {
51          return Optional.empty();
52      }
53      
54      @Override
55      public void setAlias(final AliasSegment alias) {
56      }
57  }