cql-execution/lib/elm/instance.js

An execution framework for the Clinical Quality Language (CQL)

// Generated by CoffeeScript 1.12.7
(function() {
  var Code, Concept, Element, Expression, Instance, Quantity, build, ref,
    extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
    hasProp = {}.hasOwnProperty;

  Expression = require('./expression').Expression;

  build = require('./builder').build;

  Quantity = require('./quantity').Quantity;

  ref = require('../datatypes/datatypes'), Code = ref.Code, Concept = ref.Concept;

  Element = (function() {
    function Element(json) {
      this.name = json.name;
      this.value = build(json.value);
    }

    Element.prototype.exec = function(ctx) {
      var ref1;
      return (ref1 = this.value) != null ? ref1.execute(ctx) : void 0;
    };

    return Element;

  })();

  module.exports.Instance = Instance = (function(superClass) {
    extend(Instance, superClass);

    function Instance(json) {
      var child;
      Instance.__super__.constructor.apply(this, arguments);
      this.classType = json.classType;
      this.element = (function() {
        var i, len, ref1, results;
        ref1 = json.element;
        results = [];
        for (i = 0, len = ref1.length; i < len; i++) {
          child = ref1[i];
          results.push(new Element(child));
        }
        return results;
      })();
    }

    Instance.prototype.exec = function(ctx) {
      var el, i, len, obj, ref1;
      obj = {};
      ref1 = this.element;
      for (i = 0, len = ref1.length; i < len; i++) {
        el = ref1[i];
        obj[el.name] = el.exec(ctx);
      }
      switch (this.classType) {
        case "{urn:hl7-org:elm-types:r1}Quantity":
          return new Quantity(obj);
        case "{urn:hl7-org:elm-types:r1}Code":
          return new Code(obj.code, obj.system, obj.version, obj.display);
        case "{urn:hl7-org:elm-types:r1}Concept":
          return new Concept(obj.codes, obj.display);
        default:
          return obj;
      }
    };

    return Instance;

  })(Expression);

}).call(this);

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