So, the way I made my analyzer is the good one. Thank you.

hossman wrote:
> 
> 
> : If I write a custom analyser that accept a specific attribut in the
> : constructor
> : 
> : public MyCustomAnalyzer(String myAttribute);
> : 
> : Is there a way to dynamically send a value for this attribute from Solr
> at
> : index time in the XML Message ?
> : 
> : <add>
> :   <doc>
> :     <field name="content" myattribute="...">.....</field>
> 
> fundementally there are two problems with trying to add functionality like 
> this into Solr...
> 
> 1) the XML Update syntax is just *one* of several differnet pathways that 
> data can make it into Solr, and well before it reaches your custom 
> analyzer, it's converted into what is essentially just a list of triplets 
> (fieldName,fieldvalue,boost).  So it would be hard to generalize out 
> additional metadata attributes associated with field values in a way that 
> could be generalized.
> 
> 2) In Solr (and in Lucene in general) you don't get a seperate ANalyzer 
> instance per field/value pair -- one Analyzer is reused over and over for 
> every field=>value in a doc (and in fact: the same analyzer is used over 
> and over for every document as well)
> 
> This is why people typically encode their "attributes" in the value, and 
> then write their Tokenizers in such a way that it decodes that info and 
> stores it as a Payload on the terms -- because even if you bypassed Solr's 
> pipeline for adding documents directly from some custom RequestHandler 
> that knew about your extended XML syntax, there wouldn't be anyway to pass 
> that metadata to the (Long lived) Analyzer instance.
> 
> 
> 
> -Hoss
> 
> 
> 

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