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LUCENE-4316: deprecate Fields.getUniqueTermCount, remove AtomicReader.getUniqueTermCount 

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1375580 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Robert Muir 2012-08-21 14:39:13 +00:00
parent 5cb2b9b9f2
commit 4769480e7a
11 changed files with 10 additions and 79 deletions
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6
lucene/CHANGES.txt
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@ -55,6 +55,12 @@ API Changes
* LUCENE-4307: Renamed IndexReader.getTopReaderContext to
IndexReader.getContext. (Robert Muir)
* LUCENE-4316: Deprecate Fields.getUniqueTermCount and remove it from
AtomicReader. If you really want the unique term count across all
fields, just sum up Terms.size() across those fields. This method
only exists so that this statistic can be accessed for Lucene 3.x
segments, which don't support Terms.size(). (Uwe Schindler, Robert Muir)
Bug Fixes
* LUCENE-4297: BooleanScorer2 would multiply the coord() factor

4
lucene/core/src/java/org/apache/lucene/codecs/bloom/BloomFilteringPostingsFormat.java
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@ -211,10 +211,6 @@ public class BloomFilteringPostingsFormat extends PostingsFormat {
return delegateFieldsProducer.size();
}
public long getUniqueTermCount() throws IOException {
return delegateFieldsProducer.getUniqueTermCount();
}
class BloomFilteredTerms extends Terms {
private Terms delegateTerms;
private FuzzySet filter;

9
lucene/core/src/java/org/apache/lucene/codecs/memory/DirectPostingsFormat.java
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@ -144,15 +144,6 @@ public class DirectPostingsFormat extends PostingsFormat {
return fields.size();
}
@Override
public long getUniqueTermCount() {
long numTerms = 0;
for(DirectField field : fields.values()) {
numTerms += field.terms.length;
}
return numTerms;
}
@Override
public void close() {
}

11
lucene/core/src/java/org/apache/lucene/index/AtomicReader.java
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@ -176,17 +176,6 @@ public abstract class AtomicReader extends IndexReader {
return null;
}
/** Returns the number of unique terms (across all fields)
* in this reader.
*/
public final long getUniqueTermCount() throws IOException {
final Fields fields = fields();
if (fields == null) {
return 0;
}
return fields.getUniqueTermCount();
}
/**
* Returns {@link DocValues} for this field.
* This method may return null if the reader has no per-document

15
lucene/core/src/java/org/apache/lucene/index/CheckIndex.java
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@ -1113,21 +1113,6 @@ public class CheckIndex {
}
}
// for most implementations, this is boring (just the sum across all fields)
// but codecs that don't work per-field like preflex actually implement this,
// but don't implement it on Terms, so the check isn't redundant.
long uniqueTermCountAllFields = fields.getUniqueTermCount();
// this means something is seriously screwed, e.g. we are somehow getting enclosed in PFCW!!!!!!
if (uniqueTermCountAllFields == -1) {
throw new RuntimeException("invalid termCount: -1");
}
if (status.termCount != uniqueTermCountAllFields) {
throw new RuntimeException("termCount mismatch " + uniqueTermCountAllFields + " vs " + (status.termCount));
}
if (doPrint) {
msg("OK [" + status.termCount + " terms; " + status.totFreq + " terms/docs pairs; " + status.totPos + " tokens]");
}

21
lucene/core/src/java/org/apache/lucene/index/Fields.java
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@ -38,26 +38,5 @@ public abstract class Fields implements Iterable<String> {
* {@link #iterator} will return as many field names. */
public abstract int size();
/** Returns the number of terms for all fields, or -1 if this
* measure isn't stored by the codec. Note that, just like
* other term measures, this measure does not take deleted
* documents into account. */
// TODO: deprecate?
public long getUniqueTermCount() throws IOException {
long numTerms = 0;
for (String field : this) {
Terms terms = terms(field);
if (terms != null) {
final long termCount = terms.size();
if (termCount == -1) {
return -1;
}
numTerms += termCount;
}
}
return numTerms;
}
public final static Fields[] EMPTY_ARRAY = new Fields[0];
}

5
lucene/core/src/java/org/apache/lucene/index/FilterAtomicReader.java
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@ -60,11 +60,6 @@ public class FilterAtomicReader extends AtomicReader {
public int size() {
return in.size();
}
@Override
public long getUniqueTermCount() throws IOException {
return in.getUniqueTermCount();
}
}
/** Base class for filtering {@link Terms}

3
lucene/core/src/java/org/apache/lucene/index/package.html
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@ -212,9 +212,6 @@ while ((docid = docsAndPositionsEnum.nextDoc()) != DocIdSetIterator.NO_MORE_DOCS
number of deleted documents in the index.
<li>{@link org.apache.lucene.index.Fields#size}: Returns the number of indexed
fields.
<li>{@link org.apache.lucene.index.Fields#getUniqueTermCount}: Returns the number
of indexed terms, the sum of {@link org.apache.lucene.index.Terms#size}
across all fields.
</ul>
</p>
<a name="documentstats"></a>

6
lucene/core/src/test/org/apache/lucene/index/TestDirectoryReader.java
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@ -807,7 +807,8 @@ public void testFilesOpenClose() throws IOException {
DirectoryReader r = DirectoryReader.open(dir);
AtomicReader r1 = getOnlySegmentReader(r);
assertEquals(36, r1.getUniqueTermCount());
assertEquals(26, r1.terms("field").size());
assertEquals(10, r1.terms("number").size());
writer.addDocument(doc);
writer.commit();
DirectoryReader r2 = DirectoryReader.openIfChanged(r);
@ -815,7 +816,8 @@ public void testFilesOpenClose() throws IOException {
r.close();
for(AtomicReaderContext s : r2.leaves()) {
assertEquals(36, s.reader().getUniqueTermCount());
assertEquals(26, s.reader().terms("field").size());
assertEquals(10, s.reader().terms("number").size());
}
r2.close();
writer.close();

4
lucene/core/src/test/org/apache/lucene/index/TestDuelingCodecs.java
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@ -191,10 +191,6 @@ public class TestDuelingCodecs extends LuceneTestCase {
if (leftFields.size() != -1 && rightFields.size() != -1) {
assertEquals(info, leftFields.size(), rightFields.size());
}
if (leftFields.getUniqueTermCount() != -1 && rightFields.getUniqueTermCount() != -1) {
assertEquals(info, leftFields.getUniqueTermCount(), rightFields.getUniqueTermCount());
}
}
/**

5
lucene/test-framework/src/java/org/apache/lucene/codecs/asserting/AssertingPostingsFormat.java
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@ -86,11 +86,6 @@ public class AssertingPostingsFormat extends PostingsFormat {
public int size() {
return in.size();
}
@Override
public long getUniqueTermCount() throws IOException {
return in.getUniqueTermCount();
}
}
static class AssertingFieldsConsumer extends FieldsConsumer {