<div dir="ltr"><div class="gmail_default" style="font-family:monospace">Hello Per and Maurizio,</div><div class="gmail_default" style="font-family:monospace"><br></div><div class="gmail_default" style="font-family:monospace">Thank you both for your response!</div><div class="gmail_default" style="font-family:monospace"><br></div><div class="gmail_default" style="font-family:monospace">Your Map<K, ComputedConstant<LargeList<MyResource>>> sounds like exactly what I am looking for Per! I understand if it does not come out in this JEP specifically. But that is a 1-to-1 match with what I am looking for!</div><div class="gmail_default" style="font-family:monospace"><br></div><div class="gmail_default" style="font-family:monospace">And what a smart idea Maurizio. Perhaps I could break apart my implementation, and then make use of the existing ComputedConstant -> List feature to load each element from the LargeList lazily. I believe that is what you were leading to Maurizio?</div><div class="gmail_default" style="font-family:monospace"><br></div><div class="gmail_default" style="font-family:monospace">Thank you both for your time and help!</div><div class="gmail_default" style="font-family:monospace">David Alayachew<br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Aug 21, 2023 at 6:31 AM Maurizio Cimadamore <<a href="mailto:maurizio.cimadamore@oracle.com">maurizio.cimadamore@oracle.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">

  
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    <p>In addition to what Per says, you might also consider modelling
      your "large list of resources" as a lazy list? While you still
      have the problem of mapping enum values to ordinals, you would at
      least retain the list-like nature of the bag of constants.</p>
    <p>Maurizio<br>
    </p>
    <div>On 20/08/2023 00:36, David Alayachew
      wrote:<br>
    </div>
    <blockquote type="cite">
      
      <div dir="ltr">
        <div class="gmail_default" style="font-family:monospace">Hello
          Leyden Dev Team,</div>
        <div class="gmail_default" style="font-family:monospace"><br>
        </div>
        <div class="gmail_default" style="font-family:monospace">I am
          very excited for the ComputedConstant JEP that has been
          recently announced. There are lots of places in my current
          projects that could use a feature like this.</div>
        <div class="gmail_default" style="font-family:monospace"><br>
        </div>
        <div class="gmail_default" style="font-family:monospace">Today,
          for example, I want to lazy load a gigantic list of resources
          (>100). However, these resources are not fetched via an
          index, they are fetched via a key.</div>
        <div class="gmail_default" style="font-family:monospace"><br>
        </div>
        <div class="gmail_default" style="font-family:monospace">My
          current data type that I am storing them into is essentially a
          Map<MyEnum, LargeList<MyResource>>. I would like
          to be able to swap out this map for a ComputedConstant that
          can give me my LargeList<MyResource> when I provide it
          an instance of MyEnum.<br>
        </div>
        <div class="gmail_default" style="font-family:monospace"><br>
        </div>
        <div class="gmail_default" style="font-family:monospace">I could
          technically create a mapper that takes in MyEnum, turns it
          into its ordinal, and then does something like this.</div>
        <div class="gmail_default" style="font-family:monospace"><br>
        </div>
        <div class="gmail_default" style="font-family:monospace">ComputedConstant</div>
        <div class="gmail_default" style="font-family:monospace">    .of</div>
        <div class="gmail_default" style="font-family:monospace">    (</div>
        <div class="gmail_default" style="font-family:monospace">       
          MyEnum.values().length,</div>
        <div class="gmail_default" style="font-family:monospace">       
          i -> fetchLargeListOfMyResource(MyEnum.values()[i])<br>
        </div>
        <div class="gmail_default" style="font-family:monospace">    )</div>
        <div class="gmail_default" style="font-family:monospace">    ;</div>
        <div class="gmail_default" style="font-family:monospace"><br>
        </div>
        <div class="gmail_default" style="font-family:monospace">But I'd
          like to avoid that if at all possible. It feels like I would
          end up right back into that error-prone territory from before.</div>
        <div class="gmail_default" style="font-family:monospace"><br>
        </div>
        <div class="gmail_default" style="font-family:monospace">Is this
          feature possible and worth doing as part of this JEP?<br>
        </div>
        <div class="gmail_default" style="font-family:monospace"><br>
        </div>
        <div class="gmail_default" style="font-family:monospace">Thank
          you for your time and help!</div>
        <div class="gmail_default" style="font-family:monospace">David
          Alayachew<br>
        </div>
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