protected void dataExists(AbstractShardDataTreeTransaction<?> transaction, DataExists message) {
if (checkClosed(transaction)) {
return;
}
final YangInstanceIdentifier path = message.getPath();
boolean exists = transaction.getSnapshot().readNode(path).isPresent();
getSender().tell(new DataExistsReply(exists, message.getVersion()).toSerializable(), getSelf());
}
protected void readData(AbstractShardDataTreeTransaction<?> transaction, ReadData message) {
if (checkClosed(transaction)) {
return;
}
final YangInstanceIdentifier path = message.getPath();
Optional<NormalizedNode<?, ?>> optional = transaction.getSnapshot().readNode(path);
ReadDataReply readDataReply = new ReadDataReply(optional.orNull(), message.getVersion());
sender().tell(readDataReply.toSerializable(), self());
}
private boolean checkClosed(AbstractShardDataTreeTransaction<?> transaction) {
final boolean ret = transaction.isClosed();
if (ret) {
shardStats.incrementFailedReadTransactionsCount();
getSender()
.tell(
new akka.actor.Status.Failure(new ReadFailedException("Transaction is closed")),
getSelf());
}
return ret;
}
