manifold/static/js/record_generator.js

   1 /* Buffered DOM updates */
   2 var RecordGenerator = Class.extend({
   3
   4     init: function(query, generators, number)
   5     {
   6         this._query      = query;
   7         this._generators = generators;
   8         this._number     = number;
   9     },
  10
  11     random_int: function(options)
  12     {
  13         var default_options = {
  14             max: 1000
  15         }
  16
  17         if (typeof options == 'object')
  18             options = $.extend(default_options, options);
  19         else
  20             options = default_options;
  21
  22         return Math.floor(Math.random()*(options.max+1));
  23     },
  24
  25     random_string: function()
  26     {
  27         var default_options = {
  28             possible: "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789",
  29             len:      this.random_int({max: 15})
  30         }
  31
  32         if (typeof options == 'object')
  33             options = $.extend(default_options, options);
  34         else
  35             options = default_options;
  36
  37         var text = "";
  38
  39         for( var i=0; i < options.len; i++ )
  40             text += options.possible.charAt(Math.floor(Math.random() * options.possible.length));
  41
  42         return text;
  43
  44     },
  45
  46     generate_record: function()
  47     {
  48         var self = this;
  49         var record = {};
  50
  51         $.each(this._query.fields, function(i, field) {
  52             record[field] = self[self._generators[field]]();
  53         });
  54
  55         // Publish records
  56         manifold.raise_record_event(self._query.query_uuid, NEW_RECORD, record);
  57
  58     },
  59
  60     run: function()
  61     {
  62         var record;
  63         manifold.raise_record_event(this._query.query_uuid, CLEAR_RECORDS);
  64         for (var i = 0; i < this._number; i++) {
  65             record = this.generate_record();
  66             /* XXX publish record */
  67         }
  68         manifold.raise_record_event(this._query.query_uuid, DONE);
  69
  70     }
  71 });