Beta 7 with some repo names changed.

Client/node_modules/web3-core-requestmanager/src/batch.js

@@ -0,0 +1,75 @@
+/*
+    This file is part of web3.js.
+
+    web3.js is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    web3.js is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with web3.js.  If not, see <http://www.gnu.org/licenses/>.
+*/
+/**
+ * @file batch.js
+ * @author Marek Kotewicz <marek@ethdev.com>
+ * @date 2015
+ */
+
+"use strict";
+
+var Jsonrpc = require('./jsonrpc');
+var errors = require('web3-core-helpers').errors;
+
+var Batch = function (requestManager) {
+    this.requestManager = requestManager;
+    this.requests = [];
+};
+
+/**
+ * Should be called to add create new request to batch request
+ *
+ * @method add
+ * @param {Object} jsonrpc requet object
+ */
+Batch.prototype.add = function (request) {
+    this.requests.push(request);
+};
+
+/**
+ * Should be called to execute batch request
+ *
+ * @method execute
+ */
+Batch.prototype.execute = function () {
+    var requests = this.requests;
+    this.requestManager.sendBatch(requests, function (err, results) {
+        results = results || [];
+        requests.map(function (request, index) {
+            return results[index] || {};
+        }).forEach(function (result, index) {
+            if (requests[index].callback) {
+                if (result && result.error) {
+                    return requests[index].callback(errors.ErrorResponse(result));
+                }
+
+                if (!Jsonrpc.isValidResponse(result)) {
+                    return requests[index].callback(errors.InvalidResponse(result));
+                }
+
+                try {
+                    requests[index].callback(null, requests[index].format ? requests[index].format(result.result) : result.result);
+                } catch (err) {
+                    requests[index].callback(err);
+                }
+            }
+        });
+    });
+};
+
+module.exports = Batch;
+