{"action":"created","issue":{"url":"https://api.github.com/repos/aspnet/Caching/issues/31","labels_url":"https://api.github.com/repos/aspnet/Caching/issues/31/labels{/name}","comments_url":"https://api.github.com/repos/aspnet/Caching/issues/31/comments","events_url":"https://api.github.com/repos/aspnet/Caching/issues/31/events","html_url":"https://github.com/aspnet/Caching/issues/31","id":53458102,"number":31,"title":"[Enhancement] MemoryCache should have an UpdateCallback like System.Runtime.Caching.MemoryCache","user":{"login":"epignosisx","id":697377,"avatar_url":"https://avatars.githubusercontent.com/u/697377?v=3","gravatar_id":"","url":"https://api.github.com/users/epignosisx","html_url":"https://github.com/epignosisx","followers_url":"https://api.github.com/users/epignosisx/followers","following_url":"https://api.github.com/users/epignosisx/following{/other_user}","gists_url":"https://api.github.com/users/epignosisx/gists{/gist_id}","starred_url":"https://api.github.com/users/epignosisx/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/epignosisx/subscriptions","organizations_url":"https://api.github.com/users/epignosisx/orgs","repos_url":"https://api.github.com/users/epignosisx/repos","events_url":"https://api.github.com/users/epignosisx/events{/privacy}","received_events_url":"https://api.github.com/users/epignosisx/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/aspnet/Caching/labels/question","name":"question","color":"cc317c"}],"state":"closed","locked":false,"assignee":null,"milestone":null,"comments":2,"created_at":"2015-01-05T22:47:19Z","updated_at":"2015-01-05T23:24:12Z","closed_at":"2015-01-05T23:24:12Z","body":"I couldn't find in the new implementation of MemoryCache an UpdateCallback like the one in System.Runtime.Caching.MemoryCache.\r\n\r\nhttp://referencesource.microsoft.com/#System.Runtime.Caching/System/Caching/MemoryCache.cs,124\r\n\r\nI find this feature extremely useful for those scenarios where you want to repopulate the cache when it expires and you do not want the next request to pay the performance hit."},"comment":{"url":"https://api.github.com/repos/aspnet/Caching/issues/comments/68800754","html_url":"https://github.com/aspnet/Caching/issues/31#issuecomment-68800754","issue_url":"https://api.github.com/repos/aspnet/Caching/issues/31","id":68800754,"user":{"login":"epignosisx","id":697377,"avatar_url":"https://avatars.githubusercontent.com/u/697377?v=3","gravatar_id":"","url":"https://api.github.com/users/epignosisx","html_url":"https://github.com/epignosisx","followers_url":"https://api.github.com/users/epignosisx/followers","following_url":"https://api.github.com/users/epignosisx/following{/other_user}","gists_url":"https://api.github.com/users/epignosisx/gists{/gist_id}","starred_url":"https://api.github.com/users/epignosisx/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/epignosisx/subscriptions","organizations_url":"https://api.github.com/users/epignosisx/orgs","repos_url":"https://api.github.com/users/epignosisx/repos","events_url":"https://api.github.com/users/epignosisx/events{/privacy}","received_events_url":"https://api.github.com/users/epignosisx/received_events","type":"User","site_admin":false},"created_at":"2015-01-05T23:24:12Z","updated_at":"2015-01-05T23:24:12Z","body":"Ahh there it is. Yup, that works!"}}