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.distsql.statement.rql.rule.database;
19
20 import org.apache.shardingsphere.sql.parser.sql.common.segment.generic.DatabaseSegment;
21
22 import java.util.Optional;
23
24 /**
25 * Show rules used storage unit statement.
26 */
27 public final class ShowRulesUsedStorageUnitStatement extends ShowDatabaseRulesStatement {
28
29 private final String storageUnitName;
30
31 public ShowRulesUsedStorageUnitStatement(final String storageUnitName, final DatabaseSegment database) {
32 super(database);
33 this.storageUnitName = storageUnitName;
34 }
35
36 /**
37 * Get resource name.
38 *
39 * @return resource name
40 */
41 public Optional<String> getStorageUnitName() {
42 return Optional.ofNullable(storageUnitName);
43 }
44 }