public static void main(String[] args)
throws IOException, ConfigParser.NoSectionException, ConfigParser.NoOptionException,
ConfigParser.InterpolationException {
if (args.length != 1) {
System.out.println("usage: java -jar CreateOtsTable.jar config.ini");
}
ConfigParser configParser = new ConfigParser();
configParser.read(new File(args[0]));
OTS ots =
new OTSClient(
configParser.get("ots", "endpoint"),
configParser.get("ots", "accessid"),
configParser.get("ots", "accesskey"),
configParser.get("ots", "instance_name"));
String otsTableName = configParser.get("ots", "table_name");
TableMeta tableMeta = new TableMeta(otsTableName);
tableMeta.addPrimaryKeyColumn("PK", PrimaryKeyType.STRING);
CreateTableRequest createTableRequest = new CreateTableRequest(tableMeta);
createTableRequest.setReservedThroughput(
new CapacityUnit(
configParser.getInt("ots", "read_cu"), configParser.getInt("ots", "write_cu")));
ots.createTable(createTableRequest);
ots.shutdown();
}
@Override
public RowPrimaryKey call() throws Exception {
RowPrimaryKey ret = new RowPrimaryKey();
GetRangeRequest request = new GetRangeRequest();
request.setRangeRowQueryCriteria(criteria);
GetRangeResult result = ots.getRange(request);
List<Row> rows = result.getRows();
if (rows.isEmpty()) {
return null; // no data
}
Row row = rows.get(0);
Map<String, PrimaryKeyType> pk = meta.getPrimaryKey();
for (String key : pk.keySet()) {
ColumnValue v = row.getColumns().get(key);
if (v.getType() == ColumnType.INTEGER) {
ret.addPrimaryKeyColumn(key, PrimaryKeyValue.fromLong(v.asLong()));
} else {
ret.addPrimaryKeyColumn(key, PrimaryKeyValue.fromString(v.asString()));
}
}
return ret;
}