December 2014
Intermediate to advanced
272 pages
8h 17m
English
Content preview from Learning AngularJSBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Using the $cacheFactory Service
The $cacheFactory service provides a very handy repository for temporarily storing data as key/value pairs. Because $cacheFactory is a service, it is available to multiple controllers and other AngularJS components.
When creating the $cacheFactory service, you can specify an options object that contains the capacity property—for example, {capacity: 5}. By adding this capacity setting, you limit the maximum number of elements in the cache to five. When a new item is added, the oldest item is removed. If no capacity is specified, the cache continues to grow.
Listing 9.4 illustrates a basic example of implementing $cacheFactory in a Module object and then accessing it from two different controllers.
Listing 9.4
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