svn commit: r1405365 - /lucene/dev/trunk/lucene/suggest/src/java/org/apache/lucene/search/suggest/analyzing/FuzzySuggester.java

[rm...@apache.org]

Author: rmuir
Date: Sat Nov  3 15:43:24 2012
New Revision: 1405365

URL: http://svn.apache.org/viewvc?rev=1405365&view=rev
Log:
add comments about scary stuff going on

Modified:
    lucene/dev/trunk/lucene/suggest/src/java/org/apache/lucene/search/suggest/analyzing/FuzzySuggester.java

Modified: lucene/dev/trunk/lucene/suggest/src/java/org/apache/lucene/search/suggest/analyzing/FuzzySuggester.java
URL: http://svn.apache.org/viewvc/lucene/dev/trunk/lucene/suggest/src/java/org/apache/lucene/search/suggest/analyzing/FuzzySuggester.java?rev=1405365&r1=1405364&r2=1405365&view=diff
==============================================================================
--- lucene/dev/trunk/lucene/suggest/src/java/org/apache/lucene/search/suggest/analyzing/FuzzySuggester.java (original)
+++ lucene/dev/trunk/lucene/suggest/src/java/org/apache/lucene/search/suggest/analyzing/FuzzySuggester.java Sat Nov  3 15:43:24 2012
@@ -208,10 +208,14 @@ public final class FuzzySuggester extend
     }
 
     if (subs.length == 0) {
+      // automaton is empty, there is no accepted paths through it
       return BasicAutomata.makeEmpty(); // matches nothing
     } else if (subs.length == 1) {
+      // no synonyms or anything: just a single path through the tokenstream
       return subs[0];
     } else {
+      // multiple paths: this is really scary! is it slow?
+      // maybe we should not do this and throw UOE?
       Automaton a = BasicOperations.union(Arrays.asList(subs));
       // TODO: we could call toLevenshteinAutomata() before det? 
       // this only happens if you have multiple paths anyway (e.g. synonyms)