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.sharding.distsql.statement;
19
20 import lombok.Getter;
21 import lombok.RequiredArgsConstructor;
22 import org.apache.shardingsphere.distsql.statement.type.rdl.rule.database.type.AlterRuleStatement;
23 import org.apache.shardingsphere.sharding.distsql.segment.table.TableReferenceRuleSegment;
24
25 import java.util.Collection;
26 import java.util.stream.Collectors;
27
28 /**
29 * Alter sharding table reference rule statement.
30 */
31 @RequiredArgsConstructor
32 @Getter
33 public final class AlterShardingTableReferenceRuleStatement extends AlterRuleStatement {
34
35 private final Collection<TableReferenceRuleSegment> rules;
36
37 /**
38 * Get table names.
39 *
40 * @return table names
41 */
42 public Collection<String> getTableNames() {
43 return rules.stream().flatMap(each -> each.getTableNames().stream()).collect(Collectors.toList());
44 }
45 }