Support aborting in the federated client.

Author: RubenVerborgh

lib/triple-pattern-fragments/federated/FederatedFragmentsClient.js

@@ -46,6 +46,11 @@ FederatedFragmentsClient.prototype.getFragmentByPattern = function (pattern) {
   return new CompoundFragment(fragments, this._options);
 };
 
+/** Aborts all requests. */
+FederatedFragmentsClient.prototype.abortAll = function () {
+  this._clients.forEach(function (client) { client.abortAll(); });
+};
+
 // Creates a new compound Triple Pattern Fragment
 function CompoundFragment(fragments, options) {
   if (!(this instanceof CompoundFragment))