protected AccumuloRecordWriter(TaskAttemptContext context)
throws AccumuloException, AccumuloSecurityException, IOException {
Level l = getLogLevel(context);
if (l != null) log.setLevel(getLogLevel(context));
this.simulate = getSimulationMode(context);
this.createTables = canCreateTables(context);
if (simulate) log.info("Simulating output only. No writes to tables will occur");
this.bws = new HashMap<Text, BatchWriter>();
String tname = getDefaultTableName(context);
this.defaultTableName = (tname == null) ? null : new Text(tname);
if (!simulate) {
this.conn =
getInstance(context)
.getConnector(getPrincipal(context), getAuthenticationToken(context));
mtbw = conn.createMultiTableBatchWriter(getBatchWriterOptions(context));
}
}
public static void main(String[] args)
throws AccumuloException, AccumuloSecurityException, TableNotFoundException,
TableExistsException {
System.out.println("START");
String instanceName = "development";
String zooKeepers = "localhost";
String user = "******";
byte[] pass = "******".getBytes();
String tableName = "users";
ZooKeeperInstance instance = new ZooKeeperInstance(instanceName, zooKeepers);
Connector connector = instance.getConnector(user, pass);
MultiTableBatchWriter writer = connector.createMultiTableBatchWriter(200000l, 300, 4);
if (!connector.tableOperations().exists(tableName)) {
connector.tableOperations().create(tableName);
}
BatchWriter bw = writer.getBatchWriter(tableName);
try {
String userId = "medined";
int age = 48;
int height = 70;
Mutation m = new Mutation(new Text(userId));
m.put(new Text("age"), new Text(""), new Value(new Integer(age).toString().getBytes()));
m.put(new Text("height"), new Text(""), new Value(new Integer(height).toString().getBytes()));
bw.addMutation(m);
} finally {
if (writer != null) {
writer.close();
}
}
System.out.println("END");
}
