protected ColumnFamily readColumnFamily(ReadCommand command, int consistency_level)
throws InvalidRequestException {
String cfName = command.getColumnFamilyName();
ThriftValidation.validateKey(command.key);
if (consistency_level == ConsistencyLevel.ZERO) {
throw new InvalidRequestException(
"Consistency level zero may not be applied to read operations");
}
if (consistency_level == ConsistencyLevel.ALL) {
throw new InvalidRequestException(
"Consistency level all is not yet supported on read operations");
}
Row row;
try {
row = StorageProxy.readProtocol(command, consistency_level);
} catch (IOException e) {
throw new RuntimeException(e);
} catch (TimeoutException e) {
throw new RuntimeException(e);
}
if (row == null) {
return null;
}
return row.getColumnFamily(cfName);
}
