/**
* Delete the entry from wall.
*
* @param followEntry
*/
public void deleteEntry(String username, String id) {
try {
// find name of super column using reverse mapping from id to time
UUID uuid = UUIDUtil.fromString(id);
final byte[] idAsBytes = UUIDUtil.toBytes(uuid);
byte[] timeUUIDAsBytes = getTimeUUIDFromID(username, idAsBytes);
if (timeUUIDAsBytes == null) {
throw new TrendOceanException("Can not find time uuid " + username + ":" + id);
}
// delete super column from wall cf
Mutator mutator = Pelops.createMutator(TRENDOCEAN_POOL, TRENDOCEAN_KEYSPACE);
mutator.deleteColumn(username, WALL_CF, timeUUIDAsBytes);
// also delete from reverse mapping from id to time
mutator.deleteColumn(username, ID_TO_TIMEUUID_CF, idAsBytes);
mutator.execute(ConsistencyLevel.QUORUM);
} catch (Exception ex) {
logger.error("Can not delete follow entry", username + ":" + id, ex);
throw new TrendOceanException(ex);
}
}
