Rupert Westenthaler created STANBOL-1240:
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Summary: Lucene FST linking engine does not check if FST models
are available in canEnhance(..)
Key: STANBOL-1240
URL: https://issues.apache.org/jira/browse/STANBOL-1240
Project: Stanbol
Issue Type: Bug
Affects Versions: 0.12.0
Reporter: Rupert Westenthaler
Assignee: Rupert Westenthaler
Priority: Minor
EnhancementEngines need to check in the canEnhance(..) method if they can
enhance a ContentItem.
While the Lucene FST Linking engine does check for the language and the
required NLP analysis results it fails to check if an fitting FST model is
present.
Because of that the Constructor of the LinkingSession throws an
IllegalStateException as it expects such calls to be already rejected by the
Engine.
The fix is that the canEnhance checks if the configuration provides a FST model
for the language OR a FST model for the default matching lanugage. If both is
not available it needs to return EnhancementEngine.CANNOT_ENHANCE.
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