[SOLR-13593] Allow to look-up analyzer components by their SPI names in field type configuration

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 9.0
• Component/s: Schema and Analysis
• Assignee: Tomoko Uchida
• Reporter: Tomoko Uchida
• Created: 01/Jul/19 14:24
• Updated: 18/May/22 23:19
• Resolved: 12/Aug/19 01:25

Description

Now each analysis factory has explicitely documented SPI name which is stored in the static "NAME" field (LUCENE-8778).
Solr uses factories' simple class name in schema definition (like class="solr.WhitespaceTokenizerFactory"), but we should be able to also use more concise SPI names (like name="whitespace").

e.g.:

<fieldtype name="myfieldtype" class="solr.TextField">
  <analyzer>
    <tokenizer class="solr.WhitespaceTokenizerFactory"/>
    <filter class="solr.KeywordMarkerFilterFactory" protected="protwords.txt" />
    <filter class="solr.PorterStemFilterFactory" />
  </analyzer>
</fieldtype>

would be

<fieldtype name="myfieldtype" class="solr.TextField">
  <analyzer>
    <tokenizer name="whitespace"/>
    <filter name="keywordMarker" protected="protwords.txt" />
    <filter name="porterStem" />
  </analyzer>
</fieldtype>

Issue Links

• causes: SOLR-16203 Using SPI lookups of analysis components results in factories that don't get ResourceLoaderAware.inform called on them (When using ClassicIndexSchemaFactory)
• is blocked by: LUCENE-8948 Change "name" argument in ICU factories to "form"
• is related to: SOLR-13690 Migrate field type configurations in default/example schema files to look up factories by "name"
• is related to: SOLR-13691 Add example field type configurations using "name" attributes to Ref Guide
• relates to: LUCENE-8566 Deprecate methods in CustomAnalyzer.Builder which take factory classes
• links to: GitHub Pull Request #761