Wrong list. I knew this dev@ autocomplete was going to bite me one of these days.
-Grant On Jun 30, 2010, at 8:52 AM, Grant Ingersoll wrote: > Sean, > > I don't understand why the idField stuff is removed from the Lucene stuff. > It appears to have been dropped for MAHOUT-379 (rev 936183) and then > commented out on this commit, but this is pretty important functionality for > people coming from Lucene. Without it, one has no way of mapping the vectors > back to the original documents. It's one thing to change over to change how > we use vector labels, it's another to completely remove the functionality. > > It appears that we need to switch to using the NamedVector when idField is > not null. > > -Grant > > Begin forwarded message: > >> From: sro...@apache.org >> Date: May 27, 2010 2:02:23 PM EDT >> To: comm...@mahout.apache.org >> Subject: svn commit: r948935 [3/3] - in /mahout/trunk: >> buildtools/src/main/resources/ >> core/src/main/java/org/apache/mahout/cf/taste/eval/ >> core/src/main/java/org/apache/mahout/cf/taste/hadoop/ >> core/src/main/java/org/apache/mahout/cf/taste/hadoop/item/ core/src/m... >> Reply-To: d...@mahout.apache.org >> >> Modified: >> mahout/trunk/utils/src/main/java/org/apache/mahout/utils/vectors/lucene/LuceneIterable.java >> URL: >> http://svn.apache.org/viewvc/mahout/trunk/utils/src/main/java/org/apache/mahout/utils/vectors/lucene/LuceneIterable.java?rev=948935&r1=948934&r2=948935&view=diff >> ============================================================================== >> --- >> mahout/trunk/utils/src/main/java/org/apache/mahout/utils/vectors/lucene/LuceneIterable.java >> (original) >> +++ >> mahout/trunk/utils/src/main/java/org/apache/mahout/utils/vectors/lucene/LuceneIterable.java >> Thu May 27 18:02:20 2010 >> @@ -32,17 +32,17 @@ import org.apache.mahout.math.Vector; >> * {...@link Vector}. The Field used to create the Vector currently must >> have Term Vectors stored for it. >> */ >> public class LuceneIterable implements Iterable<Vector> { >> - >> + >> + public static final double NO_NORMALIZING = -1.0; >> + >> private final IndexReader indexReader; >> private final String field; >> - private final String idField; >> - private final FieldSelector idFieldSelector; >> + //private final String idField; >> + //private final FieldSelector idFieldSelector; >> >> private final VectorMapper mapper; >> private double normPower = NO_NORMALIZING; >> - >> - public static final double NO_NORMALIZING = -1.0; >> - >> + >> public LuceneIterable(IndexReader reader, String idField, String field, >> VectorMapper mapper) { >> this(reader, idField, field, mapper, NO_NORMALIZING); >> } >> @@ -70,9 +70,9 @@ public class LuceneIterable implements I >> if (normPower != NO_NORMALIZING && normPower < 0) { >> throw new IllegalArgumentException("normPower must either be -1 or >= >> 0"); >> } >> - idFieldSelector = new >> SetBasedFieldSelector(Collections.singleton(idField), >> Collections.<String>emptySet()); >> + //idFieldSelector = new >> SetBasedFieldSelector(Collections.singleton(idField), >> Collections.<String>emptySet()); >> this.indexReader = reader; >> - this.idField = idField; >> + //this.idField = idField; >> this.field = field; >> this.mapper = mapper; >> this.normPower = normPower; > > > -------------------------- Grant Ingersoll http://www.lucidimagination.com/ Search the Lucene ecosystem using Solr/Lucene: http://www.lucidimagination.com/search
