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simpler_cache

0.1.1
0.1.8 0.1.7 0.1.6 0.1.5 0.1.4 0.1.3 0.1.2 0.1.1 0.1.0

A simple cache with ttl based on ets and timers. Tested with property model testing. Thundering herd fix, as well

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simpler_cache doc SimpleCache.html
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doc/SimpleCache.html 

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    <title>SimplerCache – Simple Cache v0.1.0</title>

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  <a href="https://github.com/IRog/simpler_cache" class="sidebar-projectLink">

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      <h1 class="sidebar-projectName">

Simple Cache      </h1>

      <h2 class="sidebar-projectVersion">

        v0.1.0

      </h2>

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      <h1>

        <small class="visible-xs">Simple Cache v0.1.0</small>

SimplerCache

          <a href="https://github.com/IRog/simpler_cache/blob/master/lib/simpler_cache.ex#L1" title="View Source" class="view-source" rel="help">

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        <section id="moduledoc">

<p>Simple cache implementation with no locks or other more complicated features.</p>

        </section>



        <section id="summary" class="details-list">

          <h1 class="section-heading">

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            Summary

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    <h2>

      <a href="#types">Types</a>

    </h2>

<div class="summary-row">

  <div class="summary-signature">

    <a href="#t:fallback_function/0">fallback_function()</a>

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  <div class="summary-signature">

    <a href="#t:update_function/0">update_function()</a>

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</div>

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  <div class="summary-functions summary">

    <h2>

      <a href="#functions">Functions</a>

    </h2>

<div class="summary-row">

  <div class="summary-signature">

    <a href="#delete/1">delete(key)</a>

  </div>

    <div class="summary-synopsis"><p>Deletes item from cache returns successfully if it doesn’t exist as well</p>

</div>

</div>

<div class="summary-row">

  <div class="summary-signature">

    <a href="#get/1">get(key)</a>

  </div>

    <div class="summary-synopsis"><p>Returns an item from cache or nil if not found</p>

</div>

</div>

<div class="summary-row">

  <div class="summary-signature">

    <a href="#get_or_store/2">get_or_store(key, passed_fn)</a>

  </div>

    <div class="summary-synopsis"><p>Gets or stores an item based on a passed in function

Warning the below may retry a bit on heavy contention</p>

</div>

</div>

<div class="summary-row">

  <div class="summary-signature">

    <a href="#insert_new/2">insert_new(key, value)</a>

  </div>

    <div class="summary-synopsis"><p>Inserts new item into cache</p>

</div>

</div>

<div class="summary-row">

  <div class="summary-signature">

    <a href="#put/2">put(key, value)</a>

  </div>

    <div class="summary-synopsis"><p>Inserts new item or overwrites old item’s value</p>

</div>

</div>

<div class="summary-row">

  <div class="summary-signature">

    <a href="#set_ttl_ms/2">set_ttl_ms(key, time_ms)</a>

  </div>

    <div class="summary-synopsis"><p>Sets the ttl to a specific value in ms over 100 for an item</p>

</div>

</div>

<div class="summary-row">

  <div class="summary-signature">

    <a href="#size/0">size()</a>

  </div>

    <div class="summary-synopsis"><p>Returns the number of elements in the cache</p>

</div>

</div>

<div class="summary-row">

  <div class="summary-signature">

    <a href="#update_existing/2">update_existing(key, passed_fn)</a>

  </div>

    <div class="summary-synopsis"><p>Updates existing value in cache based on old value

Warning the below may retry a bit on heavy contention</p>

</div>

</div>

  </div>



        </section>



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            Types

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<div class="detail" id="t:fallback_function/0">

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    <span class="signature">fallback_function()</span>

      <a href="https://github.com/IRog/simpler_cache/blob/master/lib/simpler_cache.ex#L8" class="view-source" rel="help" title="View Source">

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      <div class="specs">

          <pre>fallback_function() :: (() -> <a href="https://hexdocs.pm/elixir/typespecs.html#basic-types">any</a>())</pre>

      </div>

  </div>

  <section class="docstring">

  </section>

</div>

<div class="detail" id="t:update_function/0">

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    <span class="signature">update_function()</span>

      <a href="https://github.com/IRog/simpler_cache/blob/master/lib/simpler_cache.ex#L7" class="view-source" rel="help" title="View Source">

       <span class="icon-code" aria-hidden="true"></span>

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      <div class="specs">

          <pre>update_function() :: (<a href="https://hexdocs.pm/elixir/typespecs.html#basic-types">any</a>() -> <a href="https://hexdocs.pm/elixir/typespecs.html#basic-types">any</a>())</pre>

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  <section class="docstring">

  </section>

</div>

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        <section id="functions" class="details-list">

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            Functions

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<div class="detail" id="delete/1">

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    <span class="signature">delete(key)</span>

      <a href="https://github.com/IRog/simpler_cache/blob/master/lib/simpler_cache.ex#L59" class="view-source" rel="help" title="View Source">

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      <div class="specs">

          <pre>delete(<a href="https://hexdocs.pm/elixir/typespecs.html#basic-types">any</a>()) :: true</pre>

      </div>

  </div>

  <section class="docstring">

<p>Deletes item from cache returns successfully if it doesn’t exist as well</p>

  </section>

</div>

<div class="detail" id="get/1">

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    <span class="signature">get(key)</span>

      <a href="https://github.com/IRog/simpler_cache/blob/master/lib/simpler_cache.ex#L14" class="view-source" rel="help" title="View Source">

       <span class="icon-code" aria-hidden="true"></span>

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      <div class="specs">

          <pre>get(<a href="https://hexdocs.pm/elixir/typespecs.html#basic-types">any</a>()) :: nil | <a href="https://hexdocs.pm/elixir/typespecs.html#basic-types">any</a>()</pre>

      </div>

  </div>

  <section class="docstring">

<p>Returns an item from cache or nil if not found</p>

  </section>

</div>

<div class="detail" id="get_or_store/2">

    <div class="detail-header">

    <a href="#get_or_store/2" class="detail-link" title="Link to this function">

      <span class="icon-link" aria-hidden="true"></span>

      <span class="sr-only">Link to this function</span>

    </a>

    <span class="signature">get_or_store(key, passed_fn)</span>

      <a href="https://github.com/IRog/simpler_cache/blob/master/lib/simpler_cache.ex#L90" class="view-source" rel="help" title="View Source">

       <span class="icon-code" aria-hidden="true"></span>

       <span class="sr-only">View Source</span>

     </a>



      <div class="specs">

          <pre>get_or_store(<a href="https://hexdocs.pm/elixir/typespecs.html#basic-types">any</a>(), <a href="#t:fallback_function/0">fallback_function</a>()) :: <a href="https://hexdocs.pm/elixir/typespecs.html#basic-types">any</a>()</pre>

      </div>

  </div>

  <section class="docstring">

<p>Gets or stores an item based on a passed in function

Warning the below may retry a bit on heavy contention</p>

  </section>

</div>

<div class="detail" id="insert_new/2">

    <div class="detail-header">

    <a href="#insert_new/2" class="detail-link" title="Link to this function">

      <span class="icon-link" aria-hidden="true"></span>

      <span class="sr-only">Link to this function</span>

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    <span class="signature">insert_new(key, value)</span>

      <a href="https://github.com/IRog/simpler_cache/blob/master/lib/simpler_cache.ex#L45" class="view-source" rel="help" title="View Source">

       <span class="icon-code" aria-hidden="true"></span>

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     </a>



      <div class="specs">

          <pre>insert_new(<a href="https://hexdocs.pm/elixir/typespecs.html#basic-types">any</a>(), <a href="https://hexdocs.pm/elixir/typespecs.html#basic-types">any</a>()) ::

  {:ok, :inserted} | {:error, :item_is_in_cache} | {:error, <a href="https://hexdocs.pm/elixir/typespecs.html#built-in-types">term</a>()}</pre>

      </div>

  </div>

  <section class="docstring">

<p>Inserts new item into cache</p>

  </section>

</div>

<div class="detail" id="put/2">

    <div class="detail-header">

    <a href="#put/2" class="detail-link" title="Link to this function">

      <span class="icon-link" aria-hidden="true"></span>

      <span class="sr-only">Link to this function</span>

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    <span class="signature">put(key, value)</span>

      <a href="https://github.com/IRog/simpler_cache/blob/master/lib/simpler_cache.ex#L32" class="view-source" rel="help" title="View Source">

       <span class="icon-code" aria-hidden="true"></span>

       <span class="sr-only">View Source</span>

     </a>



      <div class="specs">

          <pre>put(<a href="https://hexdocs.pm/elixir/typespecs.html#basic-types">any</a>(), <a href="https://hexdocs.pm/elixir/typespecs.html#basic-types">any</a>()) :: {:ok, :inserted} | {:error, <a href="https://hexdocs.pm/elixir/typespecs.html#built-in-types">term</a>()}</pre>

      </div>

  </div>

  <section class="docstring">

<p>Inserts new item or overwrites old item’s value</p>

  </section>

</div>

<div class="detail" id="set_ttl_ms/2">

    <div class="detail-header">

    <a href="#set_ttl_ms/2" class="detail-link" title="Link to this function">

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    <span class="signature">set_ttl_ms(key, time_ms)</span>

      <a href="https://github.com/IRog/simpler_cache/blob/master/lib/simpler_cache.ex#L117" class="view-source" rel="help" title="View Source">

       <span class="icon-code" aria-hidden="true"></span>

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      <div class="specs">

          <pre>set_ttl_ms(<a href="https://hexdocs.pm/elixir/typespecs.html#basic-types">any</a>(), <a href="https://hexdocs.pm/elixir/typespecs.html#basic-types">pos_integer</a>()) ::

  {:ok, :updated} | {:error, :failed_to_update_element} | {:error, <a href="https://hexdocs.pm/elixir/typespecs.html#built-in-types">term</a>()}</pre>

      </div>

  </div>

  <section class="docstring">

<p>Sets the ttl to a specific value in ms over 100 for an item</p>

  </section>

</div>

<div class="detail" id="size/0">

    <div class="detail-header">

    <a href="#size/0" class="detail-link" title="Link to this function">

      <span class="icon-link" aria-hidden="true"></span>

      <span class="sr-only">Link to this function</span>

    </a>

    <span class="signature">size()</span>

      <a href="https://github.com/IRog/simpler_cache/blob/master/lib/simpler_cache.ex#L108" class="view-source" rel="help" title="View Source">

       <span class="icon-code" aria-hidden="true"></span>

       <span class="sr-only">View Source</span>

     </a>



      <div class="specs">

          <pre>size() :: <a href="https://hexdocs.pm/elixir/typespecs.html#basic-types">non_neg_integer</a>()</pre>

      </div>

  </div>

  <section class="docstring">

<p>Returns the number of elements in the cache</p>

  </section>

</div>

<div class="detail" id="update_existing/2">

    <div class="detail-header">

    <a href="#update_existing/2" class="detail-link" title="Link to this function">

      <span class="icon-link" aria-hidden="true"></span>

      <span class="sr-only">Link to this function</span>

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    <span class="signature">update_existing(key, passed_fn)</span>

      <a href="https://github.com/IRog/simpler_cache/blob/master/lib/simpler_cache.ex#L75" class="view-source" rel="help" title="View Source">

       <span class="icon-code" aria-hidden="true"></span>

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      <div class="specs">

          <pre>update_existing(<a href="https://hexdocs.pm/elixir/typespecs.html#basic-types">any</a>(), <a href="#t:update_function/0">update_function</a>()) ::

  {:ok, :updated} | {:error, :failed_to_find_entry}</pre>

      </div>

  </div>

  <section class="docstring">

<p>Updates existing value in cache based on old value

Warning the below may retry a bit on heavy contention</p>

  </section>

</div>

        </section>



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