How to properly set Content Provider Cache Timeout ?

Senura Dissanayake

Vote:

I have tried to set a cache timeout in Content Provider,

I have used the below methods,

Method 1: Set the cache setting before adding the content to cache

var content= getContent(something);
SetCacheSettings(content, new CacheSettings(TimeSpan.FromMinutes(1)));

AddContentToCache(content);

Method 2: Set the cache settings after adding the content to cache

var content= getContent(something);

AddContentToCache(content);
SetCacheSettings(content, new CacheSettings(TimeSpan.FromMinutes(1)));

Above methods have no impact. It stays in the cache. If this is not the proper way, is there a way to set the cache timeout?

Or is it possible delete the content provider cache on demand?

#201715

Feb 28, 2019 8:40

Senura Dissanayake

Vote:

Solved. I have used ClearProviderPagesFromCache()

#201716

Feb 28, 2019 9:00

Mattias Olsson

Vote:

Hi!

You need to override that SetCacheSettings method instead of calling it yourself. In AddContentToCache, default cache settings are created, and then SetCacheSettings is called so you can modify default settings if needed. Something like this:

protected override void SetCacheSettings(IContent content, CacheSettings cacheSettings)
{
    // For sliding expiration
    cacheSettings.SlidingExpiration = TimeSpan.FromMinutes(1);
    cacheSettings.AbsoluteExpiration = System.Web.Caching.Cache.NoAbsoluteExpiration;

    // For absolute expiration
    cacheSettings.SlidingExpiration = System.Web.Caching.Cache.NoSlidingExpiration;
    cacheSettings.AbsoluteExpiration = DateTime.UtcNow.AddMinutes(1);
}

#201720

Feb 28, 2019 10:27

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How to properly set Content Provider Cache Timeout ?