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https://issues.apache.org/jira/browse/CAMEL-25332?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jiri Ondrusek reassigned CAMEL-25332:
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Assignee: Jiri Ondrusek
> camel-langchain4j-ingest - Remove the class-name check for listener-wrapped
> models
> ----------------------------------------------------------------------------------
>
> Key: CAMEL-25332
> URL: https://issues.apache.org/jira/browse/CAMEL-25332
> Project: Camel
> Issue Type: Task
> Components: camel-langchain4j
> Reporter: Jiri Ondrusek
> Assignee: Jiri Ondrusek
> Priority: Minor
>
> Follow-up to CAMEL-25027.
> With {{modality=media}} the producer refuses to start when the embedding
> model has {{EmbeddingModelListener}}s attached: LangChain4j 1.20 builds the
> listener context from each input's text ({{TextSegment.from(input.text())}},
> both in the default {{EmbeddingModel.embed(EmbeddingRequest)}} and in
> {{ListeningEmbeddingModel}}), and a media input has no text, so every request
> would fail inside the library with "text cannot be null or blank".
> A model wrapped through {{addListener()}} becomes
> {{dev.langchain4j.model.embedding.ListeningEmbeddingModel}}, a
> package-private class that does not expose its listeners, so
> {{LangChain4jIngestProducer}} detects it by comparing the class name as a
> string, next to the {{listeners()}} check. The string comparison is a
> workaround for a library limitation, not a Camel rule.
> Once a LangChain4j release builds the listener context without input text, or
> returns the wrapped listeners from {{listeners()}}, remove the class-name
> check (and the refusal itself if listeners then work for media), the TODO
> comment next to it, and the sentence about listeners in the media section of
> the component documentation.
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