Azure#4: Fixing concurrency issue with batch commits.

lib/services/table/batchserviceclient.js

@@ -147,14 +147,17 @@ BatchServiceClient.prototype.commitBatch = function (optionsOrCallback, callback
   webResource.addOptionalHeader(HeaderConstants.CONTENT_LENGTH, body.length);
 
   var self = this;
+
+  // Store current operations to process response
+  // and clear batch operation to end isInBatch state after commiting
+  var requestOperations = this.operations;
+  this.operations = null;
+
   var processResponseCallback = function (responseObject, next) {
-    var responseObjects = self.processResponse(responseObject);
+    var responseObjects = self.processResponse(responseObject, requestOperations);
     responseObject.operationResponses = responseObjects;
 
     var finalCallback = function (returnObject) {
-      // clear batch operation, on the final callback, to end isInBatch state after commiting
-      self.operations = null;
-
       // perform final callback
       callback(returnObject.error, returnObject.operationResponses, returnObject.response);
     };
@@ -171,7 +174,7 @@ BatchServiceClient.prototype.commitBatch = function (optionsOrCallback, callback
 * @param {object} responseObject The response object for the batch request.
 * @return An array with the processed / parsed responses.
 */
-BatchServiceClient.prototype.processResponse = function (responseObject) {
+BatchServiceClient.prototype.processResponse = function (responseObject, requestOperations) {
   var responses = null;
   if (responseObject && responseObject.response && responseObject.response.body) {
     responses = [];
@@ -184,7 +187,7 @@ BatchServiceClient.prototype.processResponse = function (responseObject) {
       if (httpLocation !== -1) {
         var rawResponse = rawResponses[i].substring(httpLocation);
         // valid response
-        var response = this.processOperation(this.operations[validResponse++].webResource, rawResponse);
+        var response = this.processOperation(requestOperations[validResponse++].webResource, rawResponse);
         responses.push(response);
       }
     }