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moshaad7
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Oct 10, 2023
| const ( | ||
| TokensAnalyzerType = "token" | ||
| HookTokensAnalyzerType = "hook_token" | ||
| VectorAnalyzerType = "vector" |
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move vector related stuff to a separate file with "vector" build tag
moshaad7
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Oct 10, 2023
| Err error | ||
| } | ||
|
|
||
| func AnalyzeForTokens(analyzer Analyzer, input []byte) (TokenStream, error) { |
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// A utility function, helpful for analyzing an input to generate TokenStream ( and error, if any )
Previously, Analyze() method of an analyzer to return TokenStream.
But as per the change in this PR, Analyze() method will now return a value of type interface{}.
( Validating and using it can be done based on analyzer.Type() )
Thus, For the benefit of users of old Analyzer interface, this utiity will come handly , to migrate to new Analyzer interface.
moshaad7
commented
Oct 10, 2023
| analyzerType := analyzer.Type() | ||
| if analyzerType != TokensAnalyzerType && | ||
| analyzerType != HookTokensAnalyzerType { | ||
| return nil, fmt.Errorf("cannot analyze text with analyzer of type: %s", |
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alternate error msg: "given analyzer is not compatible to be used as a token analyzer"
- While analyzing a doc, analysis of few fields can fail. - We want to index the part of doc for which analysis succeeded.
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Description
Aim is to let embedder register analyzers in bleve, at run time.
These registered analyzers can then be specified in the index mapping as analyzers for fields.
change log
new Analyzer interface
updates in Field interface
New Registry to store embedder submitted analysis hooks
update analyzer registry to also hold analyzers created using hooks
Related changes: