}
},
- startTransaction: function() {
+ startTransaction: function(metadata) {
if(this._currentTransaction) {
throw new Error('Nested transactions not supported!');
}
- this._currentTransaction = new Transaction([]);
+ this._currentTransaction = new Transaction([], metadata);
},
endTransaction: function() {
this._currentTransaction = null;
},
- transaction: function(callback, context) {
+ transaction: function(callback, context, metadata) {
var toret;
- this.startTransaction();
+ this.startTransaction(metadata);
toret = callback.call(context);
this.endTransaction();
return toret;
}
});
-var Transaction = function(transformations) {
+var Transaction = function(transformations, metadata) {
this.transformations = transformations || [];
+ this.metadata = metadata;
};
$.extend(Transaction.prototype, {
pushTransformation: function(transformation) {