Demo for query storing
Change-Id: I947bcac841992c3f6cfd01ab337c265b0d01cb70
diff --git a/node_modules/q/queue.js b/node_modules/q/queue.js
new file mode 100644
index 0000000..1505fd0
--- /dev/null
+++ b/node_modules/q/queue.js
@@ -0,0 +1,35 @@
+
+var Q = require("./q");
+
+module.exports = Queue;
+function Queue() {
+ var ends = Q.defer();
+ var closed = Q.defer();
+ return {
+ put: function (value) {
+ var next = Q.defer();
+ ends.resolve({
+ head: value,
+ tail: next.promise
+ });
+ ends.resolve = next.resolve;
+ },
+ get: function () {
+ var result = ends.promise.get("head");
+ ends.promise = ends.promise.get("tail");
+ return result.fail(function (error) {
+ closed.resolve(error);
+ throw error;
+ });
+ },
+ closed: closed.promise,
+ close: function (error) {
+ error = error || new Error("Can't get value from closed queue");
+ var end = {head: Q.reject(error)};
+ end.tail = end;
+ ends.resolve(end);
+ return closed.promise;
+ }
+ };
+}
+