+ @Override
+ public void readExternal(final ObjectInput in) throws IOException, ClassNotFoundException {
+ super.readExternal(in);
+ transactionId = TransactionIdentifier.readFrom(in);
+ transactionType = in.readInt();
+ }
+
+ @Override
+ public void writeExternal(final ObjectOutput out) throws IOException {
+ super.writeExternal(out);
+ transactionId.writeTo(out);
+ out.writeInt(transactionType);