public static IncrementOperation build(
long storeId, Keyspace keyspace, ByteString key, long delta) {
KeyValueAction.Builder b = KeyValueAction.newBuilder();
b.setAction(ActionType.INCREMENT);
b.setStoreId(storeId);
b.setKeyspaceId(keyspace.getKeyspaceId());
b.setKey(key);
b.setValue(ByteString.copyFrom(Value.fromLong(delta).asBytes()));
return new IncrementOperation(b.build());
}
@Override
public Value doAction(Value oldValue) {
long oldValueLong = 0;
if (oldValue != null) {
oldValueLong = oldValue.asLong();
}
Value incrementBy = Value.fromRawBytes(entry.getValue());
long newValueLong = oldValueLong + incrementBy.asLong();
Value newValue = Value.fromLong(newValueLong);
log.debug("Increment: {} -> {}", oldValueLong, newValueLong);
// this.newValue = newValue.duplicate();
Builder eb = response.addEntryBuilder();
eb.setKey(entry.getKey());
eb.setValue(ByteString.copyFrom(newValue.asBytes()));
return newValue;
}
