@DELETE
 @Path("/{inputId}")
 @Timed
 @ApiOperation(value = "Stop specified input in all nodes")
 @ApiResponses(
     value = {
       @ApiResponse(code = 404, message = "No such input."),
     })
 public Map<String, Optional<InputDeleted>> stop(
     @ApiParam(name = "inputId", required = true) @PathParam("inputId") String inputId) {
   final Map<String, Node> nodes = nodeService.allActive();
   return nodes
       .entrySet()
       .stream()
       .parallel()
       .collect(
           Collectors.toMap(
               Map.Entry::getKey,
               entry -> {
                 final RemoteInputStatesResource remoteInputStatesResource =
                     remoteInterfaceProvider.get(
                         entry.getValue(),
                         this.authenticationToken,
                         RemoteInputStatesResource.class);
                 try {
                   final Response<InputDeleted> response =
                       remoteInputStatesResource.stop(inputId).execute();
                   if (response.isSuccess()) {
                     return Optional.of(response.body());
                   } else {
                     LOG.warn(
                         "Unable to stop input on node {}: {}",
                         entry.getKey(),
                         response.message());
                   }
                 } catch (IOException e) {
                   LOG.warn("Unable to stop input on node {}:", entry.getKey(), e);
                 }
                 return Optional.absent();
               }));
 }
 @GET
 @Timed
 @ApiOperation(value = "Get all input states")
 @RequiresPermissions(RestPermissions.INPUTS_READ)
 public Map<String, Set<InputStateSummary>> get() {
   final Map<String, Node> nodes = nodeService.allActive();
   return nodes
       .entrySet()
       .stream()
       .parallel()
       .collect(
           Collectors.toMap(
               Map.Entry::getKey,
               entry -> {
                 final RemoteInputStatesResource remoteInputStatesResource =
                     remoteInterfaceProvider.get(
                         entry.getValue(),
                         this.authenticationToken,
                         RemoteInputStatesResource.class);
                 try {
                   final Response<InputStatesList> response =
                       remoteInputStatesResource.list().execute();
                   if (response.isSuccess()) {
                     return response.body().states();
                   } else {
                     LOG.warn(
                         "Unable to fetch input states from node {}: {}",
                         entry.getKey(),
                         response.message());
                   }
                 } catch (IOException e) {
                   LOG.warn("Unable to fetch input states from node {}:", entry.getKey(), e);
                 }
                 return Collections.emptySet();
               }));
 }