6.4. Custom Externalizer ID Values

Procedure 6.2. Customizing the Externalizer ID (Declaratively)

1. Add the global element to the infinispan element:

   <infinispan>
     <global />
   </infinispan>
   

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2. Add the serialization element to the global element as follows:

   <infinispan>
     <global>
       <serialization />
     </global>
   </infinispan>
   

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3. Add the advancedExternalizer element to add information about the new advanced externalizer as follows:

   <infinispan>
     <global>
       <serialization>
         <advancedExternalizer />
       </serialization>
     </global>
   </infinispan>
   

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4. Define the externalizer ID using the id attribute as follows:

   <infinispan>
     <global>
       <serialization>
         <advancedExternalizers>
          <advancedExternalizer id="$ID" />
         </advancedExternalizers>
       </serialization>
     </global>
   </infinispan>
   

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   Ensure that the selected ID is not from the range of IDs reserved for other modules.
5. Define the externalizer class using the externalizerClass attribute as follows:

   <infinispan>
     <global>
       <serialization>
         <advancedExternalizers>
          <advancedExternalizer id="$ID" externalizerClass="org.infinispan.marshall.AdvancedExternalizerTest$IdViaConfigObj$Externalizer"/>
          </advancedExternalizers>
       </serialization>    
     </global>
   </infinispan>
   

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   Replace the $IdViaAnnotationObj and $AdvancedExternalizer values as required.