@Override
public boolean remove(Object key) throws CacheLoaderException {
if (trace) log.tracef("remove(\"%s\") ", key);
Cassandra.Client cassandraClient = null;
try {
cassandraClient = dataSource.getConnection();
Map<ByteBuffer, Map<String, List<Mutation>>> mutationMap =
new HashMap<ByteBuffer, Map<String, List<Mutation>>>();
remove0(ByteBufferUtil.bytes(hashKey(key)), mutationMap);
cassandraClient.batch_mutate(mutationMap, writeConsistencyLevel);
return true;
} catch (Exception e) {
log.errorRemovingKey(key, e);
return false;
} finally {
dataSource.releaseConnection(cassandraClient);
}
}
private void store0(
InternalCacheEntry entry, Map<ByteBuffer, Map<String, List<Mutation>>> mutationMap)
throws IOException, UnsupportedKeyTypeException {
Object key = entry.getKey();
if (trace) log.tracef("store(\"%s\") ", key);
String cassandraKey = hashKey(key);
try {
addMutation(
mutationMap,
ByteBufferUtil.bytes(cassandraKey),
config.entryColumnFamily,
ByteBuffer.wrap(entryColumnPath.getColumn()),
ByteBuffer.wrap(marshall(entry)));
if (entry.canExpire()) {
addExpiryEntry(cassandraKey, entry.getExpiryTime(), mutationMap);
}
} catch (InterruptedException ie) {
if (trace) log.trace("Interrupted while trying to marshall entry");
Thread.currentThread().interrupt();
}
}
