Java ScoreDoc類代碼示例

import org.apache.lucene.search.ScoreDoc; //導入依賴的package包/類
private void checkIndexContent(final String elementId,
		final String fieldContent, final int expectedAmount) throws IOException {
	final IndexReader reader = IndexManager.getInstance().getIndex().getIndexReader();
	final IndexSearcher searcher = new IndexSearcher(reader);
	final TopDocs topDocs = searcher.search(new TermQuery(new Term(FIELDNAME, fieldContent)), expectedAmount + 10);

	assertNotNull(topDocs);
	assertTrue(topDocs.totalHits == expectedAmount);

	if(expectedAmount > 0) {
		final ScoreDoc scoreDoc = topDocs.scoreDocs[0];
		assertNotNull(scoreDoc);

		final Document doc = reader.document(scoreDoc.doc);
		assertNotNull(doc);
		assertEquals(fieldContent, doc.get(FIELDNAME));
		assertEquals(elementId, doc.get(IIndexElement.FIELD_ID));
		assertEquals(INDEX_TYPE, doc.get(IIndexElement.FIELD_INDEX_TYPE));
	}
}
 

import org.apache.lucene.search.ScoreDoc; //導入依賴的package包/類
@Override
protected boolean doEquals(Object obj) {
    InternalTopHits other = (InternalTopHits) obj;
    if (from != other.from) return false;
    if (size != other.size) return false;
    if (topDocs.totalHits != other.topDocs.totalHits) return false;
    if (topDocs.scoreDocs.length != other.topDocs.scoreDocs.length) return false;
    for (int d = 0; d < topDocs.scoreDocs.length; d++) {
        ScoreDoc thisDoc = topDocs.scoreDocs[d];
        ScoreDoc otherDoc = other.topDocs.scoreDocs[d];
        if (thisDoc.doc != otherDoc.doc) return false;
        if (Double.compare(thisDoc.score, otherDoc.score) != 0) return false;
        if (thisDoc.shardIndex != otherDoc.shardIndex) return false;
        if (thisDoc instanceof FieldDoc) {
            if (false == (otherDoc instanceof FieldDoc)) return false;
            FieldDoc thisFieldDoc = (FieldDoc) thisDoc;
            FieldDoc otherFieldDoc = (FieldDoc) otherDoc;
            if (thisFieldDoc.fields.length != otherFieldDoc.fields.length) return false;
            for (int f = 0; f < thisFieldDoc.fields.length; f++) {
                if (false == thisFieldDoc.fields[f].equals(otherFieldDoc.fields[f])) return false;
            }
        }
    }
    return searchHits.equals(other.searchHits);
}
 

import org.apache.lucene.search.ScoreDoc; //導入依賴的package包/類
@Override
protected int doHashCode() {
    int hashCode = from;
    hashCode = 31 * hashCode + size;
    hashCode = 31 * hashCode + topDocs.totalHits;
    for (int d = 0; d < topDocs.scoreDocs.length; d++) {
        ScoreDoc doc = topDocs.scoreDocs[d];
        hashCode = 31 * hashCode + doc.doc;
        hashCode = 31 * hashCode + Float.floatToIntBits(doc.score);
        hashCode = 31 * hashCode + doc.shardIndex;
        if (doc instanceof FieldDoc) {
            FieldDoc fieldDoc = (FieldDoc) doc;
            hashCode = 31 * hashCode + Arrays.hashCode(fieldDoc.fields);
        }
    }
    hashCode = 31 * hashCode + searchHits.hashCode();
    return hashCode;
}
 

import org.apache.lucene.search.ScoreDoc; //導入依賴的package包/類
public void replayRelatedMatches(ScoreDoc[] sd) throws IOException {
    final LeafBucketCollector leafCollector = deferred.getLeafCollector(readerContext);
    leafCollector.setScorer(this);

    currentScore = 0;
    currentDocId = -1;
    if (maxDocId < 0) {
        return;
    }
    for (ScoreDoc scoreDoc : sd) {
        // Doc ids from TopDocCollector are root-level Reader so
        // need rebasing
        int rebased = scoreDoc.doc - readerContext.docBase;
        if ((rebased >= 0) && (rebased <= maxDocId)) {
            currentScore = scoreDoc.score;
            currentDocId = rebased;
            // We stored the bucket ID in Lucene's shardIndex property
            // for convenience.
            leafCollector.collect(rebased, scoreDoc.shardIndex);
        }
    }

}
 

import org.apache.lucene.search.ScoreDoc; //導入依賴的package包/類
public ScoreDoc[] getLastEmittedDocPerShard(ReducedQueryPhase reducedQueryPhase,
                                            ScoreDoc[] sortedScoreDocs, int numShards) {
    ScoreDoc[] lastEmittedDocPerShard = new ScoreDoc[numShards];
    if (reducedQueryPhase.isEmpty() == false) {
        // from is always zero as when we use scroll, we ignore from
        long size = Math.min(reducedQueryPhase.fetchHits, reducedQueryPhase.oneResult.size());
        // with collapsing we can have more hits than sorted docs
        size = Math.min(sortedScoreDocs.length, size);
        for (int sortedDocsIndex = 0; sortedDocsIndex < size; sortedDocsIndex++) {
            ScoreDoc scoreDoc = sortedScoreDocs[sortedDocsIndex];
            lastEmittedDocPerShard[scoreDoc.shardIndex] = scoreDoc;
        }
    }
    return lastEmittedDocPerShard;

}
 

import org.apache.lucene.search.ScoreDoc; //導入依賴的package包/類
@SneakyThrows
@Override
public LuceneSearchHit next() {
    if (!hasNext()) {
        throw new NoSuchElementException();
    }

    if (current != null) {
        current.unlinkSearcher();
    }

    i++;
    ScoreDoc scoreDoc = topDocs.scoreDocs[i];
    current = new LuceneSearchHitImpl(index.getName(), searcher, scoreDoc.doc, scoreDoc.score);
    return current;
}
 

import org.apache.lucene.search.ScoreDoc; //導入依賴的package包/類
public void testSort() throws Exception {
    List<CompletionSuggestion> suggestions = new ArrayList<>();
    for (int i = 0; i < randomIntBetween(1, 5); i++) {
        suggestions.add(new CompletionSuggestion(randomAsciiOfLength(randomIntBetween(1, 5)), randomIntBetween(1, 20)));
    }
    int nShards = randomIntBetween(1, 20);
    int queryResultSize = randomBoolean() ? 0 : randomIntBetween(1, nShards * 2);
    AtomicArray<QuerySearchResultProvider> results = generateQueryResults(nShards, suggestions, queryResultSize, false);
    ScoreDoc[] sortedDocs = searchPhaseController.sortDocs(true, results);
    int accumulatedLength = Math.min(queryResultSize, getTotalQueryHits(results));
    for (Suggest.Suggestion<?> suggestion : reducedSuggest(results)) {
        int suggestionSize = suggestion.getEntries().get(0).getOptions().size();
        accumulatedLength += suggestionSize;
    }
    assertThat(sortedDocs.length, equalTo(accumulatedLength));
}
 

import org.apache.lucene.search.ScoreDoc; //導入依賴的package包/類
private ScoreDoc[] getTopShardDocs(AtomicArray<QuerySearchResultProvider> results) throws IOException {
    List<AtomicArray.Entry<QuerySearchResultProvider>> resultList = results.asList();
    TopDocs[] shardTopDocs = new TopDocs[resultList.size()];
    for (int i = 0; i < resultList.size(); i++) {
        shardTopDocs[i] = resultList.get(i).value.queryResult().topDocs();
    }
    int topN = Math.min(results.get(0).queryResult().size(), getTotalQueryHits(results));
    return TopDocs.merge(topN, shardTopDocs).scoreDocs;
}
 

import org.apache.lucene.search.ScoreDoc; //導入依賴的package包/類
public static void main(String[] args) throws Exception {
	IndexReader reader = DirectoryReader.open(FSDirectory.open(Paths.get(INDEX_DIRECTORY)));
	IndexSearcher indexSearcher = new IndexSearcher(reader);

	Analyzer analyzer = new StandardAnalyzer();
	QueryParser queryParser = new QueryParser(FIELD_CONTENTS, analyzer);
	String searchString = "shakespeare";
	Query query = queryParser.parse(searchString);

	TopDocs results = indexSearcher.search(query, 5);
	ScoreDoc[] hits = results.scoreDocs;

	int numTotalHits = results.totalHits;
	System.out.println(numTotalHits + " total matching documents");

	for(int i=0;i<hits.length;++i) {
		int docId = hits[i].doc;
		Document d = indexSearcher.doc(docId);
		System.out.println((i + 1) + ". " + d.get("path") + " score=" + hits[i].score);
	}
}
 

import org.apache.lucene.search.ScoreDoc; //導入依賴的package包/類
/**
 *  Get the ResultDoc at the given location.
 *
 * @param  i  	Index
 * @return        The ResultDoc
 */
public ResultDoc get(int i) {
	//prtln("get() i: " + i + " num gets(): " + (++numGets));

	if (i < 0 || i >= size())
		throw new IndexOutOfBoundsException("Index " + i + " is out of bounds. Must be greater than or equal to 0 and less than " + size());

	// First check to see if this List is backed by an array and return from there:
	if (_resultDocs != null) {
		return _resultDocs[i];
	}

	// If not backed by an array, fetch from the index:
	ScoreDoc scoreDoc = _topDocs.scoreDocs[i];
	return new ResultDoc(_resultDocConfig, scoreDoc.doc, scoreDoc.score);
}
 

import org.apache.lucene.search.ScoreDoc; //導入依賴的package包/類
private void synTokenQuery(String search, final int numbOfResults, final double minLuceneScore,
		Map<String, Float> result, IndexSearcher searcher) throws ParseException, IOException {

	QueryParser parser = new QueryParser(Version.LUCENE_46, "surfaceFormTokens",
			new StandardAnalyzer(Version.LUCENE_46));

	search = QueryParser.escape(search);

	Query q = parser.parse(search);
	/*
	 * Works only in String field!!
	 */
	// Query q = new FuzzyQuery(new Term("surfaceFormTokens",
	// QueryParser.escape(search)), 2);

	TopDocs top = searcher.search(q, numbOfResults);

	for (ScoreDoc doc : top.scoreDocs) {
		if (doc.score >= minLuceneScore) {
			final String key = searcher.doc(doc.doc).get("conceptID");
			if (result.getOrDefault(key, 0f) < doc.score) {
				result.put(key, doc.score);
			}
		}
	}
}
 

import org.apache.lucene.search.ScoreDoc; //導入依賴的package包/類
/**
 * 查詢方法
 * @throws IOException 
 * @throws CorruptIndexException 
 * @throws ParseException 
 */
public List Search(String searchString,LuceneResultCollector luceneResultCollector) throws CorruptIndexException, IOException, ParseException{
	//方法一:
	
	System.out.println(this.indexSettings.getAnalyzer().getClass()+"----分詞選擇");
	QueryParser q = new QueryParser(Version.LUCENE_44, "summary", this.indexSettings.getAnalyzer());
	String search = new String(searchString.getBytes("ISO-8859-1"),"UTF-8"); 
	System.out.println(search+"----------搜索的詞語dd");
	Query query = q.parse(search);
	//方法二:
	/*
	Term t = new Term("title", searchString);
	TermQuery query = new TermQuery(t);
	*/
	System.out.println(query.toString()+"--------query.tostring");
	ScoreDoc[] docs = this.indexSearcher.search(query,100).scoreDocs;
	System.out.println("一共有:"+docs.length+"條記錄");
	List result = luceneResultCollector.collect(docs, this.indexSearcher);
	return result;
}
 

import org.apache.lucene.search.ScoreDoc; //導入依賴的package包/類
public Map<String, Integer> search(String word, String field, int maxSearch) {
    if (indexSearcher == null) {
        initialize(index);
    }
    Map<String, Integer> verbFreqs = new HashMap<>();
    QueryParser queryParser = new QueryParser(Version.LUCENE_36, field, analyzer);
    try {
        Query query = queryParser.parse(word);
        TopDocs topDocs = indexSearcher.search(query, maxSearch);
        ScoreDoc[] doc = topDocs.scoreDocs;
        for (int i = 0; i < maxSearch && i < doc.length; ++i) {
            int documentId = doc[i].doc;
            Document document = indexSearcher.doc(documentId);
            String verb = document.get(VERB);
            String frequency = document.get(FREQ);
            verbFreqs.put(verb, Integer.parseInt(frequency));
        }
    } catch (ParseException | IOException e) {
        log.warn("Error searching Lucene index.", e);
    }
    return verbFreqs;
}
 

import org.apache.lucene.search.ScoreDoc; //導入依賴的package包/類
public void replayRelatedMatches(ScoreDoc[] sd) throws IOException {
    final LeafBucketCollector leafCollector = deferred.getLeafCollector(readerContext);
    leafCollector.setScorer(this);

    currentScore = 0;
    currentDocId = -1;
    if (maxDocId < 0) {
        return;
    }
    for (ScoreDoc scoreDoc : sd) {
        // Doc ids from TopDocCollector are root-level Reader so
        // need rebasing
        int rebased = scoreDoc.doc - readerContext.docBase;
        if ((rebased >= 0) && (rebased <= maxDocId)) {
            currentScore = scoreDoc.score;
            currentDocId = rebased;
            // We stored the bucket ID in Lucene's shardIndex property
            // for convenience. 
            leafCollector.collect(rebased, scoreDoc.shardIndex);
        }
    }

}
 

import org.apache.lucene.search.ScoreDoc; //導入依賴的package包/類
void innerExecuteFetchPhase() throws Exception {
    boolean useScroll = request.scroll() != null;
    sortedShardList = searchPhaseController.sortDocs(useScroll, queryResults);
    searchPhaseController.fillDocIdsToLoad(docIdsToLoad, sortedShardList);

    if (docIdsToLoad.asList().isEmpty()) {
        finishHim();
        return;
    }

    final ScoreDoc[] lastEmittedDocPerShard = searchPhaseController.getLastEmittedDocPerShard(
        request, sortedShardList, firstResults.length()
    );
    final AtomicInteger counter = new AtomicInteger(docIdsToLoad.asList().size());
    for (final AtomicArray.Entry<IntArrayList> entry : docIdsToLoad.asList()) {
        QuerySearchResult queryResult = queryResults.get(entry.index);
        DiscoveryNode node = nodes.get(queryResult.shardTarget().nodeId());
        ShardFetchSearchRequest fetchSearchRequest = createFetchRequest(queryResult, entry, lastEmittedDocPerShard);
        executeFetch(entry.index, queryResult.shardTarget(), counter, fetchSearchRequest, node);
    }
}