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Posted to commits@lucene.apache.org by rm...@apache.org on 2012/01/12 16:17:18 UTC
svn commit: r1230585 -
/lucene/dev/branches/lucene3305/modules/analysis/kuromoji/src/java/org/apache/lucene/analysis/kuromoji/dict/UserDictionary.java
Author: rmuir
Date: Thu Jan 12 15:17:17 2012
New Revision: 1230585
URL: http://svn.apache.org/viewvc?rev=1230585&view=rev
Log:
LUCENE-3305: return placeholder if we found no results in user dictionary for the input
Modified:
lucene/dev/branches/lucene3305/modules/analysis/kuromoji/src/java/org/apache/lucene/analysis/kuromoji/dict/UserDictionary.java
Modified: lucene/dev/branches/lucene3305/modules/analysis/kuromoji/src/java/org/apache/lucene/analysis/kuromoji/dict/UserDictionary.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/lucene3305/modules/analysis/kuromoji/src/java/org/apache/lucene/analysis/kuromoji/dict/UserDictionary.java?rev=1230585&r1=1230584&r2=1230585&view=diff
==============================================================================
--- lucene/dev/branches/lucene3305/modules/analysis/kuromoji/src/java/org/apache/lucene/analysis/kuromoji/dict/UserDictionary.java (original)
+++ lucene/dev/branches/lucene3305/modules/analysis/kuromoji/src/java/org/apache/lucene/analysis/kuromoji/dict/UserDictionary.java Thu Jan 12 15:17:17 2012
@@ -132,7 +132,8 @@ public final class UserDictionary implem
public int[][] lookup(char[] chars, int off, int len) throws IOException {
// TODO: can we avoid this treemap/toIndexArray?
TreeMap<Integer, int[]> result = new TreeMap<Integer, int[]>(); // index, [length, length...]
-
+ boolean found = false; // true if we found any results
+
FST.Arc<Long> arc = new FST.Arc<Long>();
int end = off + len;
for (int startOffset = off; startOffset < end; startOffset++) {
@@ -148,13 +149,16 @@ public final class UserDictionary implem
if (arc.isFinal()) {
output += arc.nextFinalOutput.intValue();
result.put(startOffset-off, segmentations[output]);
+ found = true;
}
}
}
- return toIndexArray(result);
+ return found ? toIndexArray(result) : EMPTY_RESULT;
}
+ private static final int[][] EMPTY_RESULT = new int[0][];
+
/**
* Convert Map of index and wordIdAndLength to array of {wordId, index, length}
* @param input