protected Map<String, ColumnFamily> readColumnFamily(
List<ReadCommand> commands, ConsistencyLevel consistency)
throws InvalidRequestException, UnavailableException, TimedOutException {
// TODO - Support multiple column families per row, right now row only contains 1 column family
Map<String, ColumnFamily> columnFamilyKeyMap = new HashMap<String, ColumnFamily>();
if (consistency == ConsistencyLevel.ZERO)
throw newInvalidRequestException(
"Consistency level zero may not be applied to read operations");
if (consistency == ConsistencyLevel.ALL)
throw newInvalidRequestException(
"Consistency level all is not yet supported on read operations");
List<Row> rows;
try {
rows = StorageProxy.readProtocol(commands, thriftConsistencyLevel(consistency));
} catch (TimeoutException e) {
throw new TimedOutException();
} catch (IOException e) {
throw new RuntimeException(e);
}
// FIXME: This suckage brought to you by StorageService and StorageProxy
// which throw Thrift exceptions directly.
catch (org.apache.cassandra.thrift.UnavailableException e) {
throw new UnavailableException();
}
for (Row row : rows) {
columnFamilyKeyMap.put(row.key, row.cf);
}
return columnFamilyKeyMap;
}
