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## org.apache.lucene.analysis.synonym
Class SynonymMap.Builder

    java.lang.Object
      org.apache.lucene.analysis.synonym.SynonymMap.Builder

Direct Known Subclasses:
  SolrSynonymParser, WordnetSynonymParser

Enclosing class:
  SynonymMap

    public static class SynonymMap.Builder

extends Object

Builds an FSTSynonymMap.

Call add() until you have added all the mappings, then call build() to get an FSTSynonymMap

WARNING: This API is experimental and might change in incompatible ways in the next release.

Constructor Summary
`SynonymMap.Builder(boolean dedup)` If dedup is true then identical rules (same input, same output) will be added only once.

Method Summary
`void` | `add(CharsRef input, CharsRef output, boolean includeOrig)` Add a phrase->phrase synonym mapping.
`static CharsRef` | `analyze(Analyzer analyzer, String text, CharsRef reuse)` Sugar: analyzes the text with the analyzer and separates by `SynonymMap.WORD_SEPARATOR`.
`SynonymMap` | `build()` Builds an `SynonymMap` and returns it.
`static CharsRef` | `join(String[] words, CharsRef reuse)` Sugar: just joins the provided terms with `SynonymMap.WORD_SEPARATOR`.

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

Constructor Detail

### SynonymMap.Builder

    public SynonymMap.Builder(boolean dedup)

  If dedup is true then identical rules (same input, same output) will be added only once.

Method Detail

### join

    public static CharsRef join(String[] words,
                                CharsRef reuse)

  Sugar: just joins the provided terms with `SynonymMap.WORD_SEPARATOR`. reuse and its chars must not be null.

### analyze

    public static CharsRef analyze(Analyzer analyzer,
                                   String text,
                                   CharsRef reuse)
                            throws IOException

  Sugar: analyzes the text with the analyzer and separates by `SynonymMap.WORD_SEPARATOR`. reuse and its chars must not be null.

  Throws:
    `IOException`

### add

    public void add(CharsRef input,
                    CharsRef output,
                    boolean includeOrig)

  Add a phrase->phrase synonym mapping. Phrases are character sequences where words are separated with character zero (U+0000). Empty words (two U+0000s in a row) are not allowed in the input nor the output!

  Parameters:
    `input` - input phrase
    `output` - output phrase
    `includeOrig` - true if the original should be included

### build

    public SynonymMap build()
                     throws IOException

  Builds an `SynonymMap` and returns it.

  Throws:
    `IOException`

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