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.metadata.statistics;
19
20 import lombok.Getter;
21
22 import java.util.LinkedHashMap;
23 import java.util.Map;
24
25 /**
26 * ShardingSphere statistics.
27 */
28 @Getter
29 public final class ShardingSphereStatistics {
30
31 private final Map<String, ShardingSphereDatabaseData> databaseData = new LinkedHashMap<>();
32
33 /**
34 * Get ShardingSphere database.
35 *
36 * @param databaseName database name
37 * @return ShardingSphere database data
38 */
39 public ShardingSphereDatabaseData getDatabase(final String databaseName) {
40 return databaseData.get(databaseName.toLowerCase());
41 }
42
43 /**
44 * Put ShardingSphere database.
45 *
46 * @param databaseName database name
47 * @param database ShardingSphere database
48 */
49 public void putDatabase(final String databaseName, final ShardingSphereDatabaseData database) {
50 databaseData.put(databaseName.toLowerCase(), database);
51 }
52
53 /**
54 * Drop ShardingSphere database.
55 *
56 * @param databaseName database name
57 */
58 public void dropDatabase(final String databaseName) {
59 databaseData.remove(databaseName.toLowerCase());
60 }
61
62 /**
63 * Judge contains ShardingSphere database from meta data or not.
64 *
65 * @param databaseName database name
66 * @return contains ShardingSphere database from meta data or not
67 */
68 public boolean containsDatabase(final String databaseName) {
69 return databaseData.containsKey(databaseName.toLowerCase());
70 }
71 }