mirror of https://github.com/apache/lucene.git
factor out Asserting* from AssertingIndexSearcher
git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1470715 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
parent
168047c4ec
commit
933fb1c3d0
|
@ -28,7 +28,6 @@ import org.apache.lucene.index.AtomicReaderContext;
|
||||||
import org.apache.lucene.index.IndexReader;
|
import org.apache.lucene.index.IndexReader;
|
||||||
import org.apache.lucene.index.RandomIndexWriter;
|
import org.apache.lucene.index.RandomIndexWriter;
|
||||||
import org.apache.lucene.index.Term;
|
import org.apache.lucene.index.Term;
|
||||||
import org.apache.lucene.search.AssertingIndexSearcher.AssertingScorer;
|
|
||||||
import org.apache.lucene.search.BooleanQuery.BooleanWeight;
|
import org.apache.lucene.search.BooleanQuery.BooleanWeight;
|
||||||
import org.apache.lucene.store.Directory;
|
import org.apache.lucene.store.Directory;
|
||||||
import org.apache.lucene.util.LuceneTestCase;
|
import org.apache.lucene.util.LuceneTestCase;
|
||||||
|
|
|
@ -565,6 +565,9 @@ class DrillSidewaysScorer extends Scorer {
|
||||||
// System.out.println(" now collect: " + filledCount + " hits");
|
// System.out.println(" now collect: " + filledCount + " hits");
|
||||||
//}
|
//}
|
||||||
for(int i=0;i<filledCount;i++) {
|
for(int i=0;i<filledCount;i++) {
|
||||||
|
// NOTE: This is actually in-order collection,
|
||||||
|
// because we only accept docs originally returned by
|
||||||
|
// the baseScorer (ie that Scorer is AND'd)
|
||||||
int slot = filledSlots[i];
|
int slot = filledSlots[i];
|
||||||
collectDocID = docIDs[slot];
|
collectDocID = docIDs[slot];
|
||||||
collectScore = scores[slot];
|
collectScore = scores[slot];
|
||||||
|
|
|
@ -0,0 +1,71 @@
|
||||||
|
package org.apache.lucene.search;
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Licensed to the Apache Software Foundation (ASF) under one or more
|
||||||
|
* contributor license agreements. See the NOTICE file distributed with
|
||||||
|
* this work for additional information regarding copyright ownership.
|
||||||
|
* The ASF licenses this file to You under the Apache License, Version 2.0
|
||||||
|
* (the "License"); you may not use this file except in compliance with
|
||||||
|
* the License. You may obtain a copy of the License at
|
||||||
|
*
|
||||||
|
* http://www.apache.org/licenses/LICENSE-2.0
|
||||||
|
*
|
||||||
|
* Unless required by applicable law or agreed to in writing, software
|
||||||
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||||
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||||
|
* See the License for the specific language governing permissions and
|
||||||
|
* limitations under the License.
|
||||||
|
*/
|
||||||
|
|
||||||
|
import java.io.IOException;
|
||||||
|
import java.util.Random;
|
||||||
|
|
||||||
|
import org.apache.lucene.index.AtomicReaderContext;
|
||||||
|
|
||||||
|
/** Wraps another Collector and checks that
|
||||||
|
* acceptsDocsOutOfOrder is respected. */
|
||||||
|
|
||||||
|
public class AssertingCollector extends Collector {
|
||||||
|
|
||||||
|
public static Collector wrap(Random random, Collector other, boolean inOrder) {
|
||||||
|
return other instanceof AssertingCollector ? other : new AssertingCollector(random, other, inOrder);
|
||||||
|
}
|
||||||
|
|
||||||
|
final Random random;
|
||||||
|
final Collector in;
|
||||||
|
final boolean inOrder;
|
||||||
|
int lastCollected;
|
||||||
|
|
||||||
|
AssertingCollector(Random random, Collector in, boolean inOrder) {
|
||||||
|
this.random = random;
|
||||||
|
this.in = in;
|
||||||
|
this.inOrder = inOrder;
|
||||||
|
lastCollected = -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public void setScorer(Scorer scorer) throws IOException {
|
||||||
|
in.setScorer(AssertingScorer.getAssertingScorer(random, scorer));
|
||||||
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public void collect(int doc) throws IOException {
|
||||||
|
if (inOrder || !acceptsDocsOutOfOrder()) {
|
||||||
|
assert doc > lastCollected : "Out of order : " + lastCollected + " " + doc;
|
||||||
|
}
|
||||||
|
in.collect(doc);
|
||||||
|
lastCollected = doc;
|
||||||
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public void setNextReader(AtomicReaderContext context) throws IOException {
|
||||||
|
lastCollected = -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public boolean acceptsDocsOutOfOrder() {
|
||||||
|
return in.acceptsDocsOutOfOrder();
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
|
|
@ -18,22 +18,13 @@ package org.apache.lucene.search;
|
||||||
*/
|
*/
|
||||||
|
|
||||||
import java.io.IOException;
|
import java.io.IOException;
|
||||||
import java.lang.ref.WeakReference;
|
|
||||||
import java.util.Collection;
|
|
||||||
import java.util.Collections;
|
|
||||||
import java.util.List;
|
import java.util.List;
|
||||||
import java.util.Map;
|
|
||||||
import java.util.Random;
|
import java.util.Random;
|
||||||
import java.util.WeakHashMap;
|
|
||||||
import java.util.concurrent.ExecutorService;
|
import java.util.concurrent.ExecutorService;
|
||||||
|
|
||||||
import org.apache.lucene.index.AssertingAtomicReader;
|
|
||||||
import org.apache.lucene.index.AtomicReaderContext;
|
import org.apache.lucene.index.AtomicReaderContext;
|
||||||
import org.apache.lucene.index.DocsEnum;
|
|
||||||
import org.apache.lucene.index.IndexReader;
|
import org.apache.lucene.index.IndexReader;
|
||||||
import org.apache.lucene.index.IndexReaderContext;
|
import org.apache.lucene.index.IndexReaderContext;
|
||||||
import org.apache.lucene.util.Bits;
|
|
||||||
import org.apache.lucene.util.VirtualMethod;
|
|
||||||
import org.apache.lucene.util._TestUtil;
|
import org.apache.lucene.util._TestUtil;
|
||||||
|
|
||||||
/**
|
/**
|
||||||
|
@ -102,255 +93,6 @@ public class AssertingIndexSearcher extends IndexSearcher {
|
||||||
super.search(leaves, AssertingWeight.wrap(random, weight), collector);
|
super.search(leaves, AssertingWeight.wrap(random, weight), collector);
|
||||||
}
|
}
|
||||||
|
|
||||||
static class AssertingWeight extends Weight {
|
|
||||||
|
|
||||||
static Weight wrap(Random random, Weight other) {
|
|
||||||
return other instanceof AssertingWeight ? other : new AssertingWeight(random, other);
|
|
||||||
}
|
|
||||||
|
|
||||||
final Random random;
|
|
||||||
final Weight in;
|
|
||||||
|
|
||||||
AssertingWeight(Random random, Weight in) {
|
|
||||||
this.random = random;
|
|
||||||
this.in = in;
|
|
||||||
}
|
|
||||||
|
|
||||||
@Override
|
|
||||||
public Explanation explain(AtomicReaderContext context, int doc) throws IOException {
|
|
||||||
return in.explain(context, doc);
|
|
||||||
}
|
|
||||||
|
|
||||||
@Override
|
|
||||||
public Query getQuery() {
|
|
||||||
return in.getQuery();
|
|
||||||
}
|
|
||||||
|
|
||||||
@Override
|
|
||||||
public float getValueForNormalization() throws IOException {
|
|
||||||
return in.getValueForNormalization();
|
|
||||||
}
|
|
||||||
|
|
||||||
@Override
|
|
||||||
public void normalize(float norm, float topLevelBoost) {
|
|
||||||
in.normalize(norm, topLevelBoost);
|
|
||||||
}
|
|
||||||
|
|
||||||
@Override
|
|
||||||
public Scorer scorer(AtomicReaderContext context, boolean scoreDocsInOrder,
|
|
||||||
boolean topScorer, Bits acceptDocs) throws IOException {
|
|
||||||
// if the caller asks for in-order scoring or if the weight does not support
|
|
||||||
// out-of order scoring then collection will have to happen in-order.
|
|
||||||
final boolean inOrder = scoreDocsInOrder || !scoresDocsOutOfOrder();
|
|
||||||
final Scorer inScorer = in.scorer(context, scoreDocsInOrder, topScorer, acceptDocs);
|
|
||||||
return AssertingScorer.wrap(new Random(random.nextLong()), inScorer, topScorer, inOrder);
|
|
||||||
}
|
|
||||||
|
|
||||||
@Override
|
|
||||||
public boolean scoresDocsOutOfOrder() {
|
|
||||||
return in.scoresDocsOutOfOrder();
|
|
||||||
}
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
enum TopScorer {
|
|
||||||
YES, NO, UNKNOWN;
|
|
||||||
}
|
|
||||||
|
|
||||||
/** Wraps a Scorer with additional checks */
|
|
||||||
public static class AssertingScorer extends Scorer {
|
|
||||||
|
|
||||||
private static final VirtualMethod<Scorer> SCORE_COLLECTOR = new VirtualMethod<Scorer>(Scorer.class, "score", Collector.class);
|
|
||||||
private static final VirtualMethod<Scorer> SCORE_COLLECTOR_RANGE = new VirtualMethod<Scorer>(Scorer.class, "score", Collector.class, int.class, int.class);
|
|
||||||
|
|
||||||
// we need to track scorers using a weak hash map because otherwise we
|
|
||||||
// could loose references because of eg.
|
|
||||||
// AssertingScorer.score(Collector) which needs to delegate to work correctly
|
|
||||||
private static Map<Scorer, WeakReference<AssertingScorer>> ASSERTING_INSTANCES = Collections.synchronizedMap(new WeakHashMap<Scorer, WeakReference<AssertingScorer>>());
|
|
||||||
|
|
||||||
private static Scorer wrap(Random random, Scorer other, TopScorer topScorer, boolean inOrder) {
|
|
||||||
if (other == null || other instanceof AssertingScorer) {
|
|
||||||
return other;
|
|
||||||
}
|
|
||||||
final AssertingScorer assertScorer = new AssertingScorer(random, other, topScorer, inOrder);
|
|
||||||
ASSERTING_INSTANCES.put(other, new WeakReference<AssertingScorer>(assertScorer));
|
|
||||||
return assertScorer;
|
|
||||||
}
|
|
||||||
|
|
||||||
static Scorer wrap(Random random, Scorer other, boolean topScorer, boolean inOrder) {
|
|
||||||
return wrap(random, other, topScorer ? TopScorer.YES : TopScorer.NO, inOrder);
|
|
||||||
}
|
|
||||||
|
|
||||||
static Scorer getAssertingScorer(Random random, Scorer other) {
|
|
||||||
if (other == null || other instanceof AssertingScorer) {
|
|
||||||
return other;
|
|
||||||
}
|
|
||||||
final WeakReference<AssertingScorer> assertingScorerRef = ASSERTING_INSTANCES.get(other);
|
|
||||||
final AssertingScorer assertingScorer = assertingScorerRef == null ? null : assertingScorerRef.get();
|
|
||||||
if (assertingScorer == null) {
|
|
||||||
// can happen in case of memory pressure or if
|
|
||||||
// scorer1.score(collector) calls
|
|
||||||
// collector.setScorer(scorer2) with scorer1 != scorer2, such as
|
|
||||||
// BooleanScorer. In that case we can't enable all assertions
|
|
||||||
return new AssertingScorer(random, other, TopScorer.UNKNOWN, false);
|
|
||||||
} else {
|
|
||||||
return assertingScorer;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
final Random random;
|
|
||||||
final Scorer in;
|
|
||||||
final AssertingAtomicReader.AssertingDocsEnum docsEnumIn;
|
|
||||||
final TopScorer topScorer;
|
|
||||||
final boolean inOrder;
|
|
||||||
final boolean canCallNextDoc;
|
|
||||||
|
|
||||||
private AssertingScorer(Random random, Scorer in, TopScorer topScorer, boolean inOrder) {
|
|
||||||
super(in.weight);
|
|
||||||
this.random = random;
|
|
||||||
this.in = in;
|
|
||||||
this.topScorer = topScorer;
|
|
||||||
this.inOrder = inOrder;
|
|
||||||
this.docsEnumIn = new AssertingAtomicReader.AssertingDocsEnum(in, topScorer == TopScorer.NO);
|
|
||||||
this.canCallNextDoc = topScorer != TopScorer.YES // not a top scorer
|
|
||||||
|| !SCORE_COLLECTOR_RANGE.isOverriddenAsOf(in.getClass()) // the default impl relies upon nextDoc()
|
|
||||||
|| !SCORE_COLLECTOR.isOverriddenAsOf(in.getClass()); // the default impl relies upon nextDoc()
|
|
||||||
}
|
|
||||||
|
|
||||||
public Scorer getIn() {
|
|
||||||
return in;
|
|
||||||
}
|
|
||||||
|
|
||||||
boolean iterating() {
|
|
||||||
switch (docID()) {
|
|
||||||
case -1:
|
|
||||||
case NO_MORE_DOCS:
|
|
||||||
return false;
|
|
||||||
default:
|
|
||||||
return true;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
@Override
|
|
||||||
public float score() throws IOException {
|
|
||||||
assert iterating();
|
|
||||||
final float score = in.score();
|
|
||||||
assert !Float.isNaN(score);
|
|
||||||
assert !Float.isNaN(score);
|
|
||||||
return score;
|
|
||||||
}
|
|
||||||
|
|
||||||
@Override
|
|
||||||
public void score(Collector collector) throws IOException {
|
|
||||||
assert topScorer != TopScorer.NO;
|
|
||||||
if (SCORE_COLLECTOR.isOverriddenAsOf(this.in.getClass())) {
|
|
||||||
if (random.nextBoolean()) {
|
|
||||||
try {
|
|
||||||
final boolean remaining = in.score(collector, DocsEnum.NO_MORE_DOCS, in.nextDoc());
|
|
||||||
assert !remaining;
|
|
||||||
} catch (UnsupportedOperationException e) {
|
|
||||||
in.score(collector);
|
|
||||||
}
|
|
||||||
} else {
|
|
||||||
in.score(collector);
|
|
||||||
}
|
|
||||||
} else {
|
|
||||||
// score(Collector) has not been overridden, use the super method in
|
|
||||||
// order to benefit from all assertions
|
|
||||||
super.score(collector);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
@Override
|
|
||||||
public boolean score(Collector collector, int max, int firstDocID) throws IOException {
|
|
||||||
assert topScorer != TopScorer.NO;
|
|
||||||
if (SCORE_COLLECTOR_RANGE.isOverriddenAsOf(this.in.getClass())) {
|
|
||||||
return in.score(collector, max, firstDocID);
|
|
||||||
} else {
|
|
||||||
// score(Collector,int,int) has not been overridden, use the super
|
|
||||||
// method in order to benefit from all assertions
|
|
||||||
return super.score(collector, max, firstDocID);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
@Override
|
|
||||||
public Collection<ChildScorer> getChildren() {
|
|
||||||
return in.getChildren();
|
|
||||||
}
|
|
||||||
|
|
||||||
@Override
|
|
||||||
public int freq() throws IOException {
|
|
||||||
assert iterating();
|
|
||||||
return in.freq();
|
|
||||||
}
|
|
||||||
|
|
||||||
@Override
|
|
||||||
public int docID() {
|
|
||||||
return in.docID();
|
|
||||||
}
|
|
||||||
|
|
||||||
@Override
|
|
||||||
public int nextDoc() throws IOException {
|
|
||||||
assert canCallNextDoc : "top scorers should not call nextDoc()";
|
|
||||||
return docsEnumIn.nextDoc();
|
|
||||||
}
|
|
||||||
|
|
||||||
@Override
|
|
||||||
public int advance(int target) throws IOException {
|
|
||||||
assert canCallNextDoc : "top scorers should not call advance(target)";
|
|
||||||
return docsEnumIn.advance(target);
|
|
||||||
}
|
|
||||||
|
|
||||||
@Override
|
|
||||||
public long cost() {
|
|
||||||
return in.cost();
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
static class AssertingCollector extends Collector {
|
|
||||||
|
|
||||||
static Collector wrap(Random random, Collector other, boolean inOrder) {
|
|
||||||
return other instanceof AssertingCollector ? other : new AssertingCollector(random, other, inOrder);
|
|
||||||
}
|
|
||||||
|
|
||||||
final Random random;
|
|
||||||
final Collector in;
|
|
||||||
final boolean inOrder;
|
|
||||||
int lastCollected;
|
|
||||||
|
|
||||||
AssertingCollector(Random random, Collector in, boolean inOrder) {
|
|
||||||
this.random = random;
|
|
||||||
this.in = in;
|
|
||||||
this.inOrder = inOrder;
|
|
||||||
lastCollected = -1;
|
|
||||||
}
|
|
||||||
|
|
||||||
@Override
|
|
||||||
public void setScorer(Scorer scorer) throws IOException {
|
|
||||||
in.setScorer(AssertingScorer.getAssertingScorer(random, scorer));
|
|
||||||
}
|
|
||||||
|
|
||||||
@Override
|
|
||||||
public void collect(int doc) throws IOException {
|
|
||||||
if (inOrder || !acceptsDocsOutOfOrder()) {
|
|
||||||
assert doc > lastCollected : "Out of order : " + lastCollected + " " + doc;
|
|
||||||
}
|
|
||||||
in.collect(doc);
|
|
||||||
lastCollected = doc;
|
|
||||||
}
|
|
||||||
|
|
||||||
@Override
|
|
||||||
public void setNextReader(AtomicReaderContext context) throws IOException {
|
|
||||||
lastCollected = -1;
|
|
||||||
}
|
|
||||||
|
|
||||||
@Override
|
|
||||||
public boolean acceptsDocsOutOfOrder() {
|
|
||||||
return in.acceptsDocsOutOfOrder();
|
|
||||||
}
|
|
||||||
|
|
||||||
}
|
|
||||||
|
|
||||||
@Override
|
@Override
|
||||||
public String toString() {
|
public String toString() {
|
||||||
return "AssertingIndexSearcher(" + super.toString() + ")";
|
return "AssertingIndexSearcher(" + super.toString() + ")";
|
||||||
|
|
|
@ -0,0 +1,185 @@
|
||||||
|
package org.apache.lucene.search;
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Licensed to the Apache Software Foundation (ASF) under one or more
|
||||||
|
* contributor license agreements. See the NOTICE file distributed with
|
||||||
|
* this work for additional information regarding copyright ownership.
|
||||||
|
* The ASF licenses this file to You under the Apache License, Version 2.0
|
||||||
|
* (the "License"); you may not use this file except in compliance with
|
||||||
|
* the License. You may obtain a copy of the License at
|
||||||
|
*
|
||||||
|
* http://www.apache.org/licenses/LICENSE-2.0
|
||||||
|
*
|
||||||
|
* Unless required by applicable law or agreed to in writing, software
|
||||||
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||||
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||||
|
* See the License for the specific language governing permissions and
|
||||||
|
* limitations under the License.
|
||||||
|
*/
|
||||||
|
|
||||||
|
import java.io.IOException;
|
||||||
|
import java.lang.ref.WeakReference;
|
||||||
|
import java.util.Collection;
|
||||||
|
import java.util.Collections;
|
||||||
|
import java.util.Map;
|
||||||
|
import java.util.Random;
|
||||||
|
import java.util.WeakHashMap;
|
||||||
|
|
||||||
|
import org.apache.lucene.index.AssertingAtomicReader;
|
||||||
|
import org.apache.lucene.index.DocsEnum;
|
||||||
|
import org.apache.lucene.util.VirtualMethod;
|
||||||
|
|
||||||
|
/** Wraps a Scorer with additional checks */
|
||||||
|
public class AssertingScorer extends Scorer {
|
||||||
|
|
||||||
|
enum TopScorer {
|
||||||
|
YES, NO, UNKNOWN;
|
||||||
|
}
|
||||||
|
|
||||||
|
private static final VirtualMethod<Scorer> SCORE_COLLECTOR = new VirtualMethod<Scorer>(Scorer.class, "score", Collector.class);
|
||||||
|
private static final VirtualMethod<Scorer> SCORE_COLLECTOR_RANGE = new VirtualMethod<Scorer>(Scorer.class, "score", Collector.class, int.class, int.class);
|
||||||
|
|
||||||
|
// we need to track scorers using a weak hash map because otherwise we
|
||||||
|
// could loose references because of eg.
|
||||||
|
// AssertingScorer.score(Collector) which needs to delegate to work correctly
|
||||||
|
private static Map<Scorer, WeakReference<AssertingScorer>> ASSERTING_INSTANCES = Collections.synchronizedMap(new WeakHashMap<Scorer, WeakReference<AssertingScorer>>());
|
||||||
|
|
||||||
|
private static Scorer wrap(Random random, Scorer other, TopScorer topScorer, boolean inOrder) {
|
||||||
|
if (other == null || other instanceof AssertingScorer) {
|
||||||
|
return other;
|
||||||
|
}
|
||||||
|
final AssertingScorer assertScorer = new AssertingScorer(random, other, topScorer, inOrder);
|
||||||
|
ASSERTING_INSTANCES.put(other, new WeakReference<AssertingScorer>(assertScorer));
|
||||||
|
return assertScorer;
|
||||||
|
}
|
||||||
|
|
||||||
|
static Scorer wrap(Random random, Scorer other, boolean topScorer, boolean inOrder) {
|
||||||
|
return wrap(random, other, topScorer ? TopScorer.YES : TopScorer.NO, inOrder);
|
||||||
|
}
|
||||||
|
|
||||||
|
static Scorer getAssertingScorer(Random random, Scorer other) {
|
||||||
|
if (other == null || other instanceof AssertingScorer) {
|
||||||
|
return other;
|
||||||
|
}
|
||||||
|
final WeakReference<AssertingScorer> assertingScorerRef = ASSERTING_INSTANCES.get(other);
|
||||||
|
final AssertingScorer assertingScorer = assertingScorerRef == null ? null : assertingScorerRef.get();
|
||||||
|
if (assertingScorer == null) {
|
||||||
|
// can happen in case of memory pressure or if
|
||||||
|
// scorer1.score(collector) calls
|
||||||
|
// collector.setScorer(scorer2) with scorer1 != scorer2, such as
|
||||||
|
// BooleanScorer. In that case we can't enable all assertions
|
||||||
|
return new AssertingScorer(random, other, TopScorer.UNKNOWN, false);
|
||||||
|
} else {
|
||||||
|
return assertingScorer;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
final Random random;
|
||||||
|
final Scorer in;
|
||||||
|
final AssertingAtomicReader.AssertingDocsEnum docsEnumIn;
|
||||||
|
final TopScorer topScorer;
|
||||||
|
final boolean inOrder;
|
||||||
|
final boolean canCallNextDoc;
|
||||||
|
|
||||||
|
private AssertingScorer(Random random, Scorer in, TopScorer topScorer, boolean inOrder) {
|
||||||
|
super(in.weight);
|
||||||
|
this.random = random;
|
||||||
|
this.in = in;
|
||||||
|
this.topScorer = topScorer;
|
||||||
|
this.inOrder = inOrder;
|
||||||
|
this.docsEnumIn = new AssertingAtomicReader.AssertingDocsEnum(in, topScorer == TopScorer.NO);
|
||||||
|
this.canCallNextDoc = topScorer != TopScorer.YES // not a top scorer
|
||||||
|
|| !SCORE_COLLECTOR_RANGE.isOverriddenAsOf(in.getClass()) // the default impl relies upon nextDoc()
|
||||||
|
|| !SCORE_COLLECTOR.isOverriddenAsOf(in.getClass()); // the default impl relies upon nextDoc()
|
||||||
|
}
|
||||||
|
|
||||||
|
public Scorer getIn() {
|
||||||
|
return in;
|
||||||
|
}
|
||||||
|
|
||||||
|
boolean iterating() {
|
||||||
|
switch (docID()) {
|
||||||
|
case -1:
|
||||||
|
case NO_MORE_DOCS:
|
||||||
|
return false;
|
||||||
|
default:
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public float score() throws IOException {
|
||||||
|
assert iterating();
|
||||||
|
final float score = in.score();
|
||||||
|
assert !Float.isNaN(score);
|
||||||
|
assert !Float.isNaN(score);
|
||||||
|
return score;
|
||||||
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public void score(Collector collector) throws IOException {
|
||||||
|
assert topScorer != TopScorer.NO;
|
||||||
|
if (SCORE_COLLECTOR.isOverriddenAsOf(this.in.getClass())) {
|
||||||
|
if (random.nextBoolean()) {
|
||||||
|
try {
|
||||||
|
final boolean remaining = in.score(collector, DocsEnum.NO_MORE_DOCS, in.nextDoc());
|
||||||
|
assert !remaining;
|
||||||
|
} catch (UnsupportedOperationException e) {
|
||||||
|
in.score(collector);
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
in.score(collector);
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
// score(Collector) has not been overridden, use the super method in
|
||||||
|
// order to benefit from all assertions
|
||||||
|
super.score(collector);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public boolean score(Collector collector, int max, int firstDocID) throws IOException {
|
||||||
|
assert topScorer != TopScorer.NO;
|
||||||
|
if (SCORE_COLLECTOR_RANGE.isOverriddenAsOf(this.in.getClass())) {
|
||||||
|
return in.score(collector, max, firstDocID);
|
||||||
|
} else {
|
||||||
|
// score(Collector,int,int) has not been overridden, use the super
|
||||||
|
// method in order to benefit from all assertions
|
||||||
|
return super.score(collector, max, firstDocID);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public Collection<ChildScorer> getChildren() {
|
||||||
|
return in.getChildren();
|
||||||
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public int freq() throws IOException {
|
||||||
|
assert iterating();
|
||||||
|
return in.freq();
|
||||||
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public int docID() {
|
||||||
|
return in.docID();
|
||||||
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public int nextDoc() throws IOException {
|
||||||
|
assert canCallNextDoc : "top scorers should not call nextDoc()";
|
||||||
|
return docsEnumIn.nextDoc();
|
||||||
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public int advance(int target) throws IOException {
|
||||||
|
assert canCallNextDoc : "top scorers should not call advance(target)";
|
||||||
|
return docsEnumIn.advance(target);
|
||||||
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public long cost() {
|
||||||
|
return in.cost();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
|
@ -0,0 +1,76 @@
|
||||||
|
package org.apache.lucene.search;
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Licensed to the Apache Software Foundation (ASF) under one or more
|
||||||
|
* contributor license agreements. See the NOTICE file distributed with
|
||||||
|
* this work for additional information regarding copyright ownership.
|
||||||
|
* The ASF licenses this file to You under the Apache License, Version 2.0
|
||||||
|
* (the "License"); you may not use this file except in compliance with
|
||||||
|
* the License. You may obtain a copy of the License at
|
||||||
|
*
|
||||||
|
* http://www.apache.org/licenses/LICENSE-2.0
|
||||||
|
*
|
||||||
|
* Unless required by applicable law or agreed to in writing, software
|
||||||
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||||
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||||
|
* See the License for the specific language governing permissions and
|
||||||
|
* limitations under the License.
|
||||||
|
*/
|
||||||
|
|
||||||
|
import java.io.IOException;
|
||||||
|
import java.util.Random;
|
||||||
|
|
||||||
|
import org.apache.lucene.index.AtomicReaderContext;
|
||||||
|
import org.apache.lucene.util.Bits;
|
||||||
|
|
||||||
|
class AssertingWeight extends Weight {
|
||||||
|
|
||||||
|
static Weight wrap(Random random, Weight other) {
|
||||||
|
return other instanceof AssertingWeight ? other : new AssertingWeight(random, other);
|
||||||
|
}
|
||||||
|
|
||||||
|
final Random random;
|
||||||
|
final Weight in;
|
||||||
|
|
||||||
|
AssertingWeight(Random random, Weight in) {
|
||||||
|
this.random = random;
|
||||||
|
this.in = in;
|
||||||
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public Explanation explain(AtomicReaderContext context, int doc) throws IOException {
|
||||||
|
return in.explain(context, doc);
|
||||||
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public Query getQuery() {
|
||||||
|
return in.getQuery();
|
||||||
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public float getValueForNormalization() throws IOException {
|
||||||
|
return in.getValueForNormalization();
|
||||||
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public void normalize(float norm, float topLevelBoost) {
|
||||||
|
in.normalize(norm, topLevelBoost);
|
||||||
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public Scorer scorer(AtomicReaderContext context, boolean scoreDocsInOrder,
|
||||||
|
boolean topScorer, Bits acceptDocs) throws IOException {
|
||||||
|
// if the caller asks for in-order scoring or if the weight does not support
|
||||||
|
// out-of order scoring then collection will have to happen in-order.
|
||||||
|
final boolean inOrder = scoreDocsInOrder || !scoresDocsOutOfOrder();
|
||||||
|
final Scorer inScorer = in.scorer(context, scoreDocsInOrder, topScorer, acceptDocs);
|
||||||
|
return AssertingScorer.wrap(new Random(random.nextLong()), inScorer, topScorer, inOrder);
|
||||||
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public boolean scoresDocsOutOfOrder() {
|
||||||
|
return in.scoresDocsOutOfOrder();
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
|
|
Loading…
Reference in New Issue