@Override
public void initialize() throws HyracksDataException {
try {
writer.open();
switch (message.getMessageType()) {
case END:
EndFeedMessage endFeedMessage = (EndFeedMessage) message;
switch (endFeedMessage.getEndMessageType()) {
case DISCONNECT_FEED:
hanldeDisconnectFeedTypeMessage(endFeedMessage);
break;
case DISCONTINUE_SOURCE:
handleDiscontinueFeedTypeMessage(endFeedMessage);
break;
}
break;
case PREPARE_STALL:
{
handlePrepareStallMessage((PrepareStallMessage) message);
break;
}
case TERMINATE_FLOW:
{
FeedConnectionId connectionId = ((TerminateDataFlowMessage) message).getConnectionId();
handleTerminateFlowMessage(connectionId);
break;
}
case COMMIT_ACK_RESPONSE:
{
handleFeedTupleCommitResponseMessage((FeedTupleCommitResponseMessage) message);
break;
}
case THROTTLING_ENABLED:
{
handleThrottlingEnabledMessage((ThrottlingEnabledFeedMessage) message);
break;
}
default:
break;
}
} catch (Exception e) {
throw new HyracksDataException(e);
} finally {
writer.close();
}
}
