+ @Override
+ public CheckedFuture<DOMRpcResult, DOMRpcException> invokeRpc(final DOMRpcIdentifier rpc, final NormalizedNode<?, ?> input) {
+ final InvokeRpc rpcMsg = new InvokeRpc(rpc.getType().getLastComponent(), rpc.getContextReference(), input);
+
+ final SettableFuture<DOMRpcResult> settableFuture = SettableFuture.create();
+
+ final ListenableFuture<DOMRpcResult> listenableFuture =
+ JdkFutureAdapters.listenInPoolThread(settableFuture);
+
+ final scala.concurrent.Future<Object> future = ask(rpcBroker, rpcMsg, config.getAskDuration());
+
+ final OnComplete<Object> onComplete = new OnComplete<Object>() {
+ @Override
+ public void onComplete(final Throwable failure, final Object reply) throws Throwable {
+ if(failure != null) {
+
+ // When we return a failure to the caller they can choose to log it if they like
+ // so here we just do basic warn logging by default and log the stack trace only when debug
+ // is enabled
+
+ LOG.warn("InvokeRpc failed rpc = {}, identifier = {}", rpcMsg.getRpc(), rpcMsg.getIdentifier());
+
+ if(LOG.isDebugEnabled()){
+ LOG.debug("Detailed Error", failure);
+ }
+
+ final String message = String.format("Execution of RPC %s failed because of %s",
+ rpcMsg.getRpc(), failure.getMessage());
+ Collection<RpcError> errors = Arrays.asList(RpcResultBuilder.newError(ErrorType.RPC, null, message));
+ if(failure instanceof RpcErrorsException) {
+ errors = ((RpcErrorsException) failure).getRpcErrors();
+ if (errors == null || errors.size() == 0) {
+ errors = Arrays.asList(RpcResultBuilder.newError(ErrorType.RPC, null, message));
+ }
+ }
+ final DOMRpcResult rpcResult = new DefaultDOMRpcResult(errors);
+
+ settableFuture.set(rpcResult);
+ return;
+ }
+
+ final RpcResponse rpcReply = (RpcResponse)reply;
+ final NormalizedNode<?, ?> result;
+
+ if(rpcReply.getResultNormalizedNode() == null){
+ result = null;
+ LOG.debug("Received response for invoke rpc : {} result is null", rpcMsg.getRpc());
+ } else {
+ result = NormalizedNodeSerializer.deSerialize(rpcReply.getResultNormalizedNode());
+ LOG.debug("Received response for invoke rpc : {} result : {}", rpcMsg.getRpc(), result);
+ }
+
+ settableFuture.set(new DefaultDOMRpcResult(result));
+ }
+ };
+
+
+ future.onComplete(onComplete, ExecutionContext.Implicits$.MODULE$.global());
+ // FIXME find non blocking way for implementation
+ try {
+ return Futures.immediateCheckedFuture(listenableFuture.get());
+ }
+ catch (InterruptedException | ExecutionException e) {
+ LOG.debug("Unexpected remote RPC exception.", e);
+ return Futures.immediateFailedCheckedFuture((DOMRpcException) new DOMRpcImplementationNotAvailableException(e, "Unexpected remote RPC exception"));
+ }
+ }