code: function (cache) {
                  // Collect over the readset
                  var that = this;
                  this._mtx.rset.apply(function (key, value) {
                      var obj = cache.find(key);
                      shared.utils.dassert(obj != null);
                      that.collectObject(obj);
                      return true;
                  });
              }
docs: /*
  Run post-processing over all object that have been read.