[jira] [Created] (CAMEL-25879) camel-infinispan - the key option of the producer takes precedence over the CamelInfinispanKey header

["Federico Mariani (Jira)" <ji...@apache.org>]

Federico Mariani created CAMEL-25879:
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             Summary: camel-infinispan - the key option of the producer takes precedence over the CamelInfinispanKey header
                 Key: CAMEL-25879
                 URL: https://issues.apache.org/jira/browse/CAMEL-25879
             Project: Camel
          Issue Type: Improvement
          Components: camel-infinispan
            Reporter: Federico Mariani
            Assignee: Federico Mariani
             Fix For: 4.24.0


The {{infinispan}} and {{infinispan-embedded}} producers resolve the key of every operation as {{message.getHeader(InfinispanConstants.KEY, configuration::getKey)}}, so the {{CamelInfinispanKey}} header wins over the {{key}} option configured on the endpoint.

An Infinispan consumer sets {{CamelInfinispanKey}} to the key of each cache event. A route that sends those events to a producer configured with a fixed key, such as

{code:java}
from("infinispan:source")
    .removeHeader("CamelInfinispanCacheName")
    .to("infinispan:target?operation=PUT&key=myKey&value=myValue");
{code}

writes to the key of the event instead of {{myKey}}. The {{key}} option set on the endpoint should be the key the producer uses.

Change:
* the producer uses the {{key}} option when it is set, and the {{CamelInfinispanKey}} header only when the endpoint does not set {{key}};
* the component docs explain the precedence of the key and cache name headers, and that a route from an Infinispan consumer to an Infinispan producer should remove the {{CamelInfinispan*}} headers to use the cache and key of the producer endpoint ({{CamelInfinispanCacheName}} still takes precedence over the cache name of the endpoint);
* upgrade guide 4.24 note for routes that set {{key}} on the endpoint and override it per message with the header.



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