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.data.pipeline.mysql.ingest;
19
20 import lombok.AccessLevel;
21 import lombok.NoArgsConstructor;
22 import org.apache.shardingsphere.db.protocol.mysql.packet.binlog.row.MySQLBinlogTableMapEventPacket;
23
24 import java.util.Map;
25 import java.util.concurrent.ConcurrentHashMap;
26
27 /**
28 * Global table map event mapping.
29 */
30 @NoArgsConstructor(access = AccessLevel.PRIVATE)
31 public final class GlobalTableMapEventMapping {
32
33 // TODO Still save in memory, if proxy restart, the data will be lost.
34 private static final Map<String, Map<Long, MySQLBinlogTableMapEventPacket>> TABLE_MAP_EVENT_MAPPING = new ConcurrentHashMap<>();
35
36 /**
37 * Get table map event map by database URL.
38 *
39 * @param databaseURL database URL
40 * @return table map event map
41 */
42 public static Map<Long, MySQLBinlogTableMapEventPacket> getTableMapEventMap(final String databaseURL) {
43 return TABLE_MAP_EVENT_MAPPING.computeIfAbsent(databaseURL, k -> new ConcurrentHashMap<>());
44 }
45 }