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.db.protocol.mysql.packet.binlog.row.column.value;
19
20 import org.apache.shardingsphere.db.protocol.mysql.packet.binlog.row.column.MySQLBinlogColumnDef;
21 import org.apache.shardingsphere.db.protocol.mysql.packet.command.query.binary.execute.protocol.MySQLBinaryProtocolValue;
22 import org.apache.shardingsphere.db.protocol.mysql.payload.MySQLPacketPayload;
23
24 import java.io.Serializable;
25
26 /**
27 * MySQL binlog protocol column value.
28 *
29 * <p>
30 * There are no detail documents about the value in row-based replication protocol.
31 * And many types of value protocol are different with {@link MySQLBinaryProtocolValue}
32 * </p>
33 */
34 public interface MySQLBinlogProtocolValue {
35
36 /**
37 * Read column value from binlog protocol.
38 *
39 * @param columnDef column definition from TABLE_MAP_EVENT
40 * @param payload payload operation for MySQL binlog packet
41 * @return column value
42 */
43 Serializable read(MySQLBinlogColumnDef columnDef, MySQLPacketPayload payload);
44 }