eskabetxe commented on code in PR #2: URL: https://github.com/apache/flink-connector-jdbc/pull/2#discussion_r1444672855
########## flink-connector-jdbc/src/main/java/org/apache/flink/connector/jdbc/sink/writer/JdbcWriterStateSerializer.java: ########## @@ -0,0 +1,76 @@ +package org.apache.flink.connector.jdbc.sink.writer; + +import org.apache.flink.annotation.Internal; +import org.apache.flink.connector.jdbc.datasource.transactions.xa.domain.TransactionId; +import org.apache.flink.core.io.SimpleVersionedSerializer; +import org.apache.flink.core.memory.DataInputDeserializer; +import org.apache.flink.core.memory.DataOutputSerializer; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.io.IOException; +import java.util.ArrayList; +import java.util.List; + +/** {@link JdbcWriterState} serializer. */ +@Internal +public class JdbcWriterStateSerializer implements SimpleVersionedSerializer<JdbcWriterState> { + + private static final Logger LOG = LoggerFactory.getLogger(JdbcWriterStateSerializer.class); + + @Override + public int getVersion() { + return 2; + } + + @Override + public byte[] serialize(JdbcWriterState state) throws IOException { + final DataOutputSerializer out = new DataOutputSerializer(1); + out.writeInt(state.getHanging().size()); + for (TransactionId tid : state.getHanging()) { + byte[] tIdBytes = tid.serialize(); + out.writeByte(tIdBytes.length); + out.write(tIdBytes, 0, tIdBytes.length); + } + out.writeInt(state.getPrepared().size()); + for (TransactionId tid : state.getPrepared()) { + byte[] tIdBytes = tid.serialize(); + out.writeByte(tIdBytes.length); + out.write(tIdBytes, 0, tIdBytes.length); + } + return out.getSharedBuffer(); + } + + @Override + public JdbcWriterState deserialize(int version, byte[] serialized) throws IOException { + final DataInputDeserializer in = new DataInputDeserializer(serialized); + + if (version == getVersion()) { + return deserializeV2(in); + } + + LOG.error("Unknown version of state: " + version); Review Comment: done -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: issues-unsubscr...@flink.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org