ehcache3/ehcache-107/src/test/resources/ehcache-example.xml at 71379f53c7fd3c11a8477961e1cceeead8b669ca · ehcache/ehcache3 · GitHub

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<ehcache:config
    xmlns:ehcache="http://www.ehcache.org/v3"
    xmlns:jcache="http://www.ehcache.org/v3/jsr107">

  <!--
    OPTIONAL
     services to be managed and lifecycled by the CacheManager
  -->
  <ehcache:service>
    <!--
      One element in another namespace, using our JSR-107 extension as an example here
    -->
    <jcache:defaults>
      <jcache:cache name="invoices" template="myDefaultTemplate"/>
    </jcache:defaults>
  </ehcache:service>

  <!--
    OPTIONAL
      A <cache> element defines a cache, identified by the mandatory 'alias' attribute, to be managed by the CacheManager
  -->
  <ehcache:cache alias="productCache">

    <!--
      OPTIONAL, defaults to java.lang.Object
        The FQCN of the type of keys K we'll use with the Cache<K, V>
    -->
    <ehcache:key-type copier="org.ehcache.impl.copy.SerializingCopier">java.lang.Long</ehcache:key-type>

    <!--
      OPTIONAL, defaults to java.lang.Object
        The FQCN of the type of values V we'll use with the Cache<K, V>
    -->
    <ehcache:value-type copier="org.ehcache.impl.copy.SerializingCopier">com.pany.domain.Product</ehcache:value-type>

    <!--
      OPTIONAL, defaults to no expiry
        Entries to the Cache can be made to expire after a given time
    -->
    <ehcache:expiry>
      <!--
        time to idle, the maximum time for an entry to remain untouched
          Entries to the Cache can be made to expire after a given time
          other options are:
             * <ttl>, time to live;
             * <class>, for a custom Expiry implementation; or
             * <none>, for no expiry
      -->
      <ehcache:tti unit="minutes">2</ehcache:tti>
    </ehcache:expiry>

    <!--
      OPTIONAL, defaults to no advice
        An eviction advisor, which lets you control what entries should only get evicted as last resort
        FQCN of a org.ehcache.config.EvictionAdvisor implementation
    -->
    <ehcache:eviction-advisor>com.pany.ehcache.MyEvictionAdvisor</ehcache:eviction-advisor>

    <!--
      OPTIONAL,
        Let's you configure your cache as a "cache-through",
        i.e. a Cache that uses a CacheLoaderWriter to load on misses, and write on mutative operations.
    -->
    <ehcache:loader-writer>
      <!--
          The FQCN implementing org.ehcache.spi.loaderwriter.CacheLoaderWriter
      -->
      <ehcache:class>com.pany.ehcache.integration.ProductCacheLoaderWriter</ehcache:class>
        <!-- Any further elements in another namespace -->
    </ehcache:loader-writer>

    <!--
        The maximal number of entries to be held in the Cache, prior to eviction starting
    -->
    <ehcache:heap unit="entries">200</ehcache:heap>

    <!--
       OPTIONAL
        Any further elements in another namespace
    -->
  </ehcache:cache>

  <!--
    OPTIONAL
      A <cache-template> defines a named template that can be used in <cache> definitions in this same file
      They have all the same property as the <cache> elements above
  -->
  <ehcache:cache-template name="myDefaultTemplate">
    <ehcache:expiry>
      <ehcache:none/>
    </ehcache:expiry>
    <!--
       OPTIONAL
        Any further elements in another namespace
    -->
  </ehcache:cache-template>

  <!--
    A <cache> that uses the template above by referencing the cache-template's name in the uses-template attribute:
  -->
  <ehcache:cache alias="customerCache" uses-template="myDefaultTemplate">
    <!--
      Adds the key and value type configuration
    -->
    <ehcache:key-type>java.lang.Long</ehcache:key-type>
    <ehcache:value-type>com.pany.domain.Customer</ehcache:value-type>

    <!--
      Overwrites the capacity limit set by the template to a new value
    -->
    <ehcache:heap unit="entries">200</ehcache:heap>
  </ehcache:cache>

</ehcache:config>