org.apache.lucene.analysis.synonym

Class SynonymMap.Builder

java.lang.Object

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

Direct Known Subclasses:

SynonymMap.Parser

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

Constructors

Constructor and Description
Builder() Default constructor, passes dedup=true.
Builder(boolean dedup) If dedup is true then identical rules (same input, same output) will be added only once.

Method Summary

Modifier and Type	Method and Description
void	add(CharsRef input, CharsRef output, boolean includeOrig) Add a phrase->phrase synonym mapping.
SynonymMap	build() Builds an SynonymMap and returns it.
static CharsRef	join(String[] words, CharsRefBuilder 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

Builder

public Builder()

Default constructor, passes dedup=true.

Builder

public 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,
                            CharsRefBuilder reuse)

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

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