public void close() {
try {
connection.close();
} catch (Exception ex) {
LOG.log(Level.WARNING, "error closing connection to Hive");
}
}
public void persistRecord(List<Tuple> tuples) {
TransactionBatch txnBatch = null;
for (Tuple tuple : tuples) {
try {
StrictJsonWriter writer = new StrictJsonWriter(hiveEP);
txnBatch = connection.fetchTransactionBatch(tuples.size(), writer);
txnBatch.beginNextTransaction();
byte[] record = tuple.getStringByField("json").getBytes();
txnBatch.write(record);
} catch (SerializationError ex) {
LOG.log(Level.SEVERE, null, ex);
} catch (StreamingException | InterruptedException ex) {
LOG.log(Level.SEVERE, null, ex);
}
try {
txnBatch.commit();
} catch (StreamingException | InterruptedException ex) {
LOG.log(Level.SEVERE, null, ex);
}
}
}