Is there an equivalent of Android's LRUCache in Java?











up vote
0
down vote

favorite












I would like to use Android's LruCache in my plain old non-Android Java projects. Is there an equivalent data structure in regular Java or do I have to roll out my own implementation?






java android caching data-structures







share|improve this question






















  • If you need advanced functionality, there are dedicated libraries like Caffeine.
    – Ben Manes
    Nov 21 at 22:50















up vote
0
down vote

favorite












I would like to use Android's LruCache in my plain old non-Android Java projects. Is there an equivalent data structure in regular Java or do I have to roll out my own implementation?






java android caching data-structures







share|improve this question






















  • If you need advanced functionality, there are dedicated libraries like Caffeine.
    – Ben Manes
    Nov 21 at 22:50













up vote
0
down vote

favorite









up vote
0
down vote

favorite











I would like to use Android's LruCache in my plain old non-Android Java projects. Is there an equivalent data structure in regular Java or do I have to roll out my own implementation?






java android caching data-structures







share|improve this question













I would like to use Android's LruCache in my plain old non-Android Java projects. Is there an equivalent data structure in regular Java or do I have to roll out my own implementation?






java android caching data-structures




java android caching data-structures






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked Nov 21 at 17:03









hopia

2,96252042




2,96252042












  • If you need advanced functionality, there are dedicated libraries like Caffeine.
    – Ben Manes
    Nov 21 at 22:50


















  • If you need advanced functionality, there are dedicated libraries like Caffeine.
    – Ben Manes
    Nov 21 at 22:50
















If you need advanced functionality, there are dedicated libraries like Caffeine.
– Ben Manes
Nov 21 at 22:50




If you need advanced functionality, there are dedicated libraries like Caffeine.
– Ben Manes
Nov 21 at 22:50












1 Answer
1






active

oldest

votes

















up vote
1
down vote



accepted










In regular Java you can do it with a LinkedHashMap, using the 3-argument constructor to make it access-ordered, and overriding removeEldestEntry to expire entries.






share|improve this answer





















    Your Answer






    StackExchange.ifUsing("editor", function () {
    StackExchange.using("externalEditor", function () {
    StackExchange.using("snippets", function () {
    StackExchange.snippets.init();
    });
    });
    }, "code-snippets");

    StackExchange.ready(function() {
    var channelOptions = {
    tags: "".split(" "),
    id: "1"
    };
    initTagRenderer("".split(" "), "".split(" "), channelOptions);

    StackExchange.using("externalEditor", function() {
    // Have to fire editor after snippets, if snippets enabled
    if (StackExchange.settings.snippets.snippetsEnabled) {
    StackExchange.using("snippets", function() {
    createEditor();
    });
    }
    else {
    createEditor();
    }
    });

    function createEditor() {
    StackExchange.prepareEditor({
    heartbeatType: 'answer',
    convertImagesToLinks: true,
    noModals: true,
    showLowRepImageUploadWarning: true,
    reputationToPostImages: 10,
    bindNavPrevention: true,
    postfix: "",
    imageUploader: {
    brandingHtml: "Powered by u003ca class="icon-imgur-white" href="https://imgur.com/"u003eu003c/au003e",
    contentPolicyHtml: "User contributions licensed under u003ca href="https://creativecommons.org/licenses/by-sa/3.0/"u003ecc by-sa 3.0 with attribution requiredu003c/au003e u003ca href="https://stackoverflow.com/legal/content-policy"u003e(content policy)u003c/au003e",
    allowUrls: true
    },
    onDemand: true,
    discardSelector: ".discard-answer"
    ,immediatelyShowMarkdownHelp:true
    });


    }
    });














    draft saved

    draft discarded


















    StackExchange.ready(
    function () {
    StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f53417187%2fis-there-an-equivalent-of-androids-lrucache-in-java%23new-answer', 'question_page');
    }
    );

    Post as a guest















    Required, but never shown

























    1 Answer
    1






    active

    oldest

    votes








    1 Answer
    1






    active

    oldest

    votes









    active

    oldest

    votes






    active

    oldest

    votes








    up vote
    1
    down vote



    accepted










    In regular Java you can do it with a LinkedHashMap, using the 3-argument constructor to make it access-ordered, and overriding removeEldestEntry to expire entries.






    share|improve this answer

























      up vote
      1
      down vote



      accepted










      In regular Java you can do it with a LinkedHashMap, using the 3-argument constructor to make it access-ordered, and overriding removeEldestEntry to expire entries.






      share|improve this answer























        up vote
        1
        down vote



        accepted







        up vote
        1
        down vote



        accepted






        In regular Java you can do it with a LinkedHashMap, using the 3-argument constructor to make it access-ordered, and overriding removeEldestEntry to expire entries.






        share|improve this answer












        In regular Java you can do it with a LinkedHashMap, using the 3-argument constructor to make it access-ordered, and overriding removeEldestEntry to expire entries.







        share|improve this answer












        share|improve this answer



        share|improve this answer










        answered Nov 21 at 17:40









        Matt Timmermans

        18k11532




        18k11532






























            draft saved

            draft discarded




















































            Thanks for contributing an answer to Stack Overflow!


            • Please be sure to answer the question. Provide details and share your research!

            But avoid …



            • Asking for help, clarification, or responding to other answers.

            • Making statements based on opinion; back them up with references or personal experience.


            To learn more, see our tips on writing great answers.





            Some of your past answers have not been well-received, and you're in danger of being blocked from answering.


            Please pay close attention to the following guidance:


            • Please be sure to answer the question. Provide details and share your research!

            But avoid …



            • Asking for help, clarification, or responding to other answers.

            • Making statements based on opinion; back them up with references or personal experience.


            To learn more, see our tips on writing great answers.




            draft saved


            draft discarded














            StackExchange.ready(
            function () {
            StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f53417187%2fis-there-an-equivalent-of-androids-lrucache-in-java%23new-answer', 'question_page');
            }
            );

            Post as a guest















            Required, but never shown





















































            Required, but never shown














            Required, but never shown












            Required, but never shown







            Required, but never shown

































            Required, but never shown














            Required, but never shown












            Required, but never shown







            Required, but never shown







            -

            Popular posts from this blog

            A CLEAN and SIMPLE way to add appendices to Table of Contents and bookmarks

            Image
            0 I found a lot of questions abount appendices and ToC. Many users want appendices to be grouped in an Appendix part, however some problems arise with ToC, hyperref, PDF viewer bookmarks, and so on. There are different solutions which require extra packages, command patching and other extra code, however none of them satisfies me. I almost found an easy way to accomplish a good result, where appendices are added to bookmarks in the right way and hyperref links point to the right page. However, the number of the "Appendix" part page is wrong (it's the number of appendix A). Is there any EASY way to fix that? This is a MWE: documentclass{book} usepackage[nottoc,notlot,notlof]{tocbibind} usepackage{hyperref} begin{document} frontmatter tableofcontents mainmatter part{First} chapter{...
            Read more

            Calculate evaluation metrics using cross_val_predict sklearn

            Image
            1 In the sklearn.model_selection.cross_val_predict page it is stated: Generate cross-validated estimates for each input data point. It is not appropriate to pass these predictions into an evaluation metric. Can someone explain what does it mean? If this gives estimate of Y (y prediction) for every Y (true Y), why can't I calculate metrics such as RMSE or coefficient of determination using these results? python scikit-learn cross-validation share | improve this question edited Nov 28 '18 at 17:52 desertnaut 20.3k 7 43 79 ...
            Read more

            Insert data from modal to MySQL (multiple modal on website)

            Image
            0 I have problem with inserting data to MySQL from modal. My modal: <a href="#" class="badge badge-pill badge-success">6 komentarzy</a> <a href="#" class="badge badge-pill badge-danger">brak komentarzy</a> <a data-toggle="modal" href="#add_desk_comm_{$desk_['desk_id']}" data-target="#add_desk_comm_{$desk_['desk_id']}" class="ediiit">(dodaj)</a> <div class="modal fade" id="add_desk_comm_{$desk_['desk_id']}" tabindex="-1" role="dialog" aria-labelledby="edit_printer" aria-hidden="true"> <div class="modal-dialog" role="document"> ...
            Read more