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
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