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## org.apache.lucene.analysis.synonym
Class SynonymFilterFactory

    java.lang.Object
      org.apache.lucene.analysis.util.AbstractAnalysisFactory
          org.apache.lucene.analysis.util.TokenFilterFactory
              org.apache.lucene.analysis.synonym.SynonymFilterFactory

All Implemented Interfaces:
  ResourceLoaderAware

    public class SynonymFilterFactory

extends TokenFilterFactory
implements ResourceLoaderAware

Factory for `SynonymFilter`.

     <fieldType name="text_synonym" class="solr.TextField" positionIncrementGap="100">
       <analyzer>
         <tokenizer class="solr.WhitespaceTokenizerFactory"/>
         <filter class="solr.SynonymFilterFactory" synonyms="synonyms.txt"
                 format="solr" ignoreCase="false" expand="true"
                 tokenizerFactory="solr.WhitespaceTokenizerFactory"
                 [optional tokenizer factory parameters]/>
       </analyzer>
     </fieldType>

An optional param name prefix of "tokenizerFactory." may be used for any init params that the SynonymFilterFactory needs to pass to the specified TokenizerFactory. If the TokenizerFactory expects an init parameters with the same name as an init param used by the SynonymFilterFactory, the prefix is mandatory.

Field Summary

Fields inherited from class org.apache.lucene.analysis.util.AbstractAnalysisFactory
`LUCENE_MATCH_VERSION_PARAM, luceneMatchVersion`

Constructor Summary
`SynonymFilterFactory(Map<String,String> args)`

Method Summary
`TokenStream` | `create(TokenStream input)` Transform the specified input TokenStream
`void` | `inform(ResourceLoader loader)` Initializes this component with the provided ResourceLoader (used for loading classes, files, etc).

Methods inherited from class org.apache.lucene.analysis.util.TokenFilterFactory
`availableTokenFilters, forName, lookupClass, reloadTokenFilters`

Methods inherited from class org.apache.lucene.analysis.util.AbstractAnalysisFactory
`assureMatchVersion, get, get, get, get, get, getBoolean, getChar, getClassArg, getFloat, getInt, getLines, getLuceneMatchVersion, getOriginalArgs, getPattern, getSet, getSnowballWordSet, getWordSet, isExplicitLuceneMatchVersion, require, require, require, requireBoolean, requireChar, requireFloat, requireInt, setExplicitLuceneMatchVersion, splitFileNames`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### SynonymFilterFactory

    public SynonymFilterFactory(Map<String,String> args)

Method Detail

### create

    public TokenStream create(TokenStream input)

  Description copied from class: `TokenFilterFactory`
  Transform the specified input TokenStream

  Specified by:
    `create` in class `TokenFilterFactory`

### inform

    public void inform(ResourceLoader loader)
                throws IOException

  Description copied from interface: `ResourceLoaderAware`
  Initializes this component with the provided ResourceLoader (used for loading classes, files, etc).

  Specified by:
    `inform` in interface `ResourceLoaderAware`
  Throws:
    `IOException`

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