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.metadata.persist.data;
19
20 import org.apache.shardingsphere.infra.metadata.ShardingSphereMetaData;
21 import org.apache.shardingsphere.infra.metadata.statistics.ShardingSphereStatistics;
22 import org.apache.shardingsphere.infra.metadata.statistics.ShardingSphereSchemaData;
23 import org.apache.shardingsphere.infra.metadata.database.ShardingSphereDatabase;
24 import org.apache.shardingsphere.metadata.persist.service.schema.TableRowDataBasedPersistService;
25
26 import java.util.Map;
27 import java.util.Optional;
28
29 /**
30 * TODO replace the old implementation after meta data refactor completed
31 * ShardingSphere data based registry service.
32 */
33 public interface ShardingSphereDataBasedPersistService {
34
35 /**
36 * Get table row data persist service.
37 *
38 * @return Stable row data persist service
39 */
40 TableRowDataBasedPersistService getTableRowDataPersistService();
41
42 /**
43 * Load ShardingSphere data.
44 *
45 * @param metaData meta data
46 * @return ShardingSphere data
47 */
48 Optional<ShardingSphereStatistics> load(ShardingSphereMetaData metaData);
49
50 /**
51 * Persist table.
52 * @param databaseName database name
53 * @param schemaName schema name
54 * @param schemaData schema data
55 * @param databases databases
56 */
57 void persist(String databaseName, String schemaName, ShardingSphereSchemaData schemaData, Map<String, ShardingSphereDatabase> databases);
58 }