| /* |
| * 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. |
| */ |
| |
| package org.apache.lucene.sandbox.search; |
| |
| import java.io.IOException; |
| import java.util.Collection; |
| import org.apache.lucene.search.DocIdSetIterator; |
| import org.apache.lucene.search.Scorer; |
| import org.apache.lucene.search.TwoPhaseIterator; |
| import org.apache.lucene.search.Weight; |
| |
| /** |
| * {@link Scorer} wrapper that will compute how much time is spent on moving the iterator, |
| * confirming matches and computing scores. |
| */ |
| class QueryProfilerScorer extends Scorer { |
| |
| private final Scorer scorer; |
| private QueryProfilerWeight profileWeight; |
| |
| private final QueryProfilerTimer scoreTimer, |
| nextDocTimer, |
| advanceTimer, |
| matchTimer, |
| shallowAdvanceTimer, |
| computeMaxScoreTimer, |
| setMinCompetitiveScoreTimer; |
| |
| QueryProfilerScorer(QueryProfilerWeight w, Scorer scorer, QueryProfilerBreakdown profile) { |
| super(w); |
| this.scorer = scorer; |
| this.profileWeight = w; |
| scoreTimer = profile.getTimer(QueryProfilerTimingType.SCORE); |
| nextDocTimer = profile.getTimer(QueryProfilerTimingType.NEXT_DOC); |
| advanceTimer = profile.getTimer(QueryProfilerTimingType.ADVANCE); |
| matchTimer = profile.getTimer(QueryProfilerTimingType.MATCH); |
| shallowAdvanceTimer = profile.getTimer(QueryProfilerTimingType.SHALLOW_ADVANCE); |
| computeMaxScoreTimer = profile.getTimer(QueryProfilerTimingType.COMPUTE_MAX_SCORE); |
| setMinCompetitiveScoreTimer = |
| profile.getTimer(QueryProfilerTimingType.SET_MIN_COMPETITIVE_SCORE); |
| } |
| |
| @Override |
| public int docID() { |
| return scorer.docID(); |
| } |
| |
| @Override |
| public float score() throws IOException { |
| scoreTimer.start(); |
| try { |
| return scorer.score(); |
| } finally { |
| scoreTimer.stop(); |
| } |
| } |
| |
| @Override |
| public Weight getWeight() { |
| return profileWeight; |
| } |
| |
| @Override |
| public Collection<ChildScorable> getChildren() throws IOException { |
| return scorer.getChildren(); |
| } |
| |
| @Override |
| public DocIdSetIterator iterator() { |
| final DocIdSetIterator in = scorer.iterator(); |
| return new DocIdSetIterator() { |
| |
| @Override |
| public int advance(int target) throws IOException { |
| advanceTimer.start(); |
| try { |
| return in.advance(target); |
| } finally { |
| advanceTimer.stop(); |
| } |
| } |
| |
| @Override |
| public int nextDoc() throws IOException { |
| nextDocTimer.start(); |
| try { |
| return in.nextDoc(); |
| } finally { |
| nextDocTimer.stop(); |
| } |
| } |
| |
| @Override |
| public int docID() { |
| return in.docID(); |
| } |
| |
| @Override |
| public long cost() { |
| return in.cost(); |
| } |
| }; |
| } |
| |
| @Override |
| public TwoPhaseIterator twoPhaseIterator() { |
| final TwoPhaseIterator in = scorer.twoPhaseIterator(); |
| if (in == null) { |
| return null; |
| } |
| final DocIdSetIterator inApproximation = in.approximation(); |
| final DocIdSetIterator approximation = |
| new DocIdSetIterator() { |
| |
| @Override |
| public int advance(int target) throws IOException { |
| advanceTimer.start(); |
| try { |
| return inApproximation.advance(target); |
| } finally { |
| advanceTimer.stop(); |
| } |
| } |
| |
| @Override |
| public int nextDoc() throws IOException { |
| nextDocTimer.start(); |
| try { |
| return inApproximation.nextDoc(); |
| } finally { |
| nextDocTimer.stop(); |
| } |
| } |
| |
| @Override |
| public int docID() { |
| return inApproximation.docID(); |
| } |
| |
| @Override |
| public long cost() { |
| return inApproximation.cost(); |
| } |
| }; |
| return new TwoPhaseIterator(approximation) { |
| @Override |
| public boolean matches() throws IOException { |
| matchTimer.start(); |
| try { |
| return in.matches(); |
| } finally { |
| matchTimer.stop(); |
| } |
| } |
| |
| @Override |
| public float matchCost() { |
| return in.matchCost(); |
| } |
| }; |
| } |
| |
| @Override |
| public int advanceShallow(int target) throws IOException { |
| shallowAdvanceTimer.start(); |
| try { |
| return scorer.advanceShallow(target); |
| } finally { |
| shallowAdvanceTimer.stop(); |
| } |
| } |
| |
| @Override |
| public float getMaxScore(int upTo) throws IOException { |
| computeMaxScoreTimer.start(); |
| try { |
| return scorer.getMaxScore(upTo); |
| } finally { |
| computeMaxScoreTimer.stop(); |
| } |
| } |
| |
| @Override |
| public void setMinCompetitiveScore(float minScore) throws IOException { |
| setMinCompetitiveScoreTimer.start(); |
| try { |
| scorer.setMinCompetitiveScore(minScore); |
| } finally { |
| setMinCompetitiveScoreTimer.stop(); |
| } |
| } |
| } |