DS.Transform Class packages/ember-data/lib/transforms/base.js:1

Defined in: packages/ember-data/lib/transforms/base.js:1

Module: ember-data

The DS.Transform class is used to serialize and deserialize model attributes when they are saved or loaded from an adapter. Subclassing DS.Transform is useful for creating custom attributes. All subclasses of DS.Transform must implement a serialize and a deserialize method.

Example

1
2
3
4
5
6
7
8

App.RawTransform = DS.Transform.extend({
  deserialize: function(serialized) {
    return serialized;
  },
  serialize: function(deserialized) {
    return deserialized;
  }
});

Usage

1
2
3
4
5

var attr = DS.attr;
App.Requirement = DS.Model.extend({
  name: attr('string'),
  optionsArray: attr('raw')
});
Show:

Methods

Show:

deserialized

(serialized)
Defined in packages/ember-data/lib/transforms/base.js:53

When given a serialize value from a JSON object this method must return the deserialized value for the record attribute.

Example

1
2
3

deserialize: function(serialized) {
  return empty(serialized) ? null : Number(serialized);
}

Parameters:

serialized
The serialized value

Returns:

The deserialized value

serialize

(deserialized)
Defined in packages/ember-data/lib/transforms/base.js:35

When given a deserialized value from a record attribute this method must return the serialized value.

Example

1
2
3

serialize: function(deserialized) {
  return Ember.isEmpty(deserialized) ? null : Number(deserialized);
}

Parameters:

deserialized
The deserialized value

Returns:

The serialized value