public void save(Collection<Count> counts) {
Map<String, Count> countHolder = new HashMap<String, Count>();
for (Count count : counts) {
Count c = countHolder.get(count.getCounterName());
if (c != null) {
c.apply(count);
} else {
countHolder.put(count.getCounterName(), count);
}
}
Mutator<ByteBuffer> mutator = HFactory.createMutator(keyspace, ByteBufferSerializer.get());
for (Count count : countHolder.values()) {
mutator.addCounter(
count.getKeyNameBytes(),
count.getTableName(),
new HCounterColumnImpl(
count.getColumnName(), count.getValue(), count.getColumnNameSerializer()));
}
try {
mutator.execute();
} catch (Exception e) {
// errors here happen a lot on shutdown, don't fill the logs with them
String error = e.getClass().getCanonicalName();
if (counterInsertFailures.get(error) == null) {
log.error("CounterStore insert failed, first instance", e);
counterInsertFailures.put(error, 1);
} else {
int count = counterInsertFailures.get(error) + 1;
counterInsertFailures.put(error, count);
if (log.isDebugEnabled()) {
log.debug(error + " caused CounterStore insert failure, count = " + count, e);
} else {
log.error(error + " caused CounterStore insert failure, count = " + count);
}
}
}
}
