本文整理匯總了Java中org.apache.lucene.index.IndexReader.document方法的典型用法代碼示例。如果您正苦於以下問題:Java IndexReader.document方法的具體用法?Java IndexReader.document怎麽用?Java IndexReader.document使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類org.apache.lucene.index.IndexReader
的用法示例。
在下文中一共展示了IndexReader.document方法的10個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: checkIndexContent
import org.apache.lucene.index.IndexReader; //導入方法依賴的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));
}
}
示例2: locateContainer
import org.apache.lucene.index.IndexReader; //導入方法依賴的package包/類
protected boolean locateContainer(String nodeRef, IndexReader reader)
{
boolean found = false;
try
{
TermDocs td = reader.termDocs(new Term("ID", nodeRef));
while (td.next())
{
int doc = td.doc();
Document document = reader.document(doc);
if (document.getField("ISCONTAINER") != null)
{
found = true;
break;
}
}
td.close();
}
catch (IOException e)
{
throw new LuceneIndexException("Failed to delete container and below for " + nodeRef, e);
}
return found;
}
示例3: getIdsForBitset
import org.apache.lucene.index.IndexReader; //導入方法依賴的package包/類
private List<ItemIdKey> getIdsForBitset(OpenBitSet docBits, IndexReader reader)
{
int docid = 0;
List<ItemIdKey> keys = new ArrayList<ItemIdKey>();
while( true )
{
docid = docBits.nextSetBit(docid);
if( docid == -1 )
{
break;
}
Document doc;
try
{
doc = reader.document(docid);
}
catch( IOException e )
{
throw new RuntimeException(e);
}
ItemIdKey key = getKeyForDocument(doc);
keys.add(key);
docid++;
}
return keys;
}
示例4: search
import org.apache.lucene.index.IndexReader; //導入方法依賴的package包/類
/**
* Executes the given {@link Query} and returns a {@link DocumentsSearchResult} with
* the found documents and meta information about them.
*
* @param query the query to execute
* @param options the additional options to execute the query.
* @return {@link DocumentsSearchResult} with the found {@link Document}.
*/
public DocumentsSearchResult search(final Query query, final SearchOptions options) {
final DocumentsSearchResult result = new DocumentsSearchResult();
final TopDocs topDocs = getTopDocs(query, options);
if(topDocs != null) {
result.setTotalHits(topDocs.totalHits);
final Index index = IndexManager.getInstance().getIndex();
final IndexReader reader = index.getIndexReader();
try {
LOGGER.debug("Found these documents (total = {}) for query '{}':", topDocs.totalHits, query);
int counter = 0;
for (final ScoreDoc scoreDoc : topDocs.scoreDocs) {
final Document document = reader.document(scoreDoc.doc);
if(document != null) {
LOGGER.debug("- Score: " + StringUtils.rightPad(Float.toString(scoreDoc.score), 8) +
" Doc: " + document.get(IIndexElement.FIELD_ID));
result.addDocument(document, scoreDoc.score);
}
// if it's the last document -> set ScoreDoc to result
if(++counter == topDocs.scoreDocs.length) {
result.setLastScoreDoc(scoreDoc);
}
}
}
catch(final IOException e) {
LOGGER.error("Can't get documents for topdocs.", e);
}
}
return result;
}
示例5: deletePrimary
import org.apache.lucene.index.IndexReader; //導入方法依賴的package包/類
protected static Set<String> deletePrimary(Collection<String> nodeRefs, IndexReader reader, boolean delete)
throws LuceneIndexException
{
Set<String> refs = new LinkedHashSet<String>();
for (String nodeRef : nodeRefs)
{
try
{
TermDocs td = reader.termDocs(new Term("PRIMARYPARENT", nodeRef));
while (td.next())
{
int doc = td.doc();
Document document = reader.document(doc);
String[] ids = document.getValues("ID");
refs.add(ids[ids.length - 1]);
if (delete)
{
reader.deleteDocument(doc);
}
}
td.close();
}
catch (IOException e)
{
throw new LuceneIndexException("Failed to delete node by primary parent for " + nodeRef, e);
}
}
return refs;
}
示例6: deleteReference
import org.apache.lucene.index.IndexReader; //導入方法依賴的package包/類
protected static Set<String> deleteReference(Collection<String> nodeRefs, IndexReader reader, boolean delete)
throws LuceneIndexException
{
Set<String> refs = new LinkedHashSet<String>();
for (String nodeRef : nodeRefs)
{
try
{
TermDocs td = reader.termDocs(new Term("PARENT", nodeRef));
while (td.next())
{
int doc = td.doc();
Document document = reader.document(doc);
String[] ids = document.getValues("ID");
refs.add(ids[ids.length - 1]);
if (delete)
{
reader.deleteDocument(doc);
}
}
td.close();
}
catch (IOException e)
{
throw new LuceneIndexException("Failed to delete node by parent for " + nodeRef, e);
}
}
return refs;
}
示例7: deleteContainerAndBelow
import org.apache.lucene.index.IndexReader; //導入方法依賴的package包/類
protected static Set<String> deleteContainerAndBelow(String nodeRef, IndexReader reader, boolean delete,
boolean cascade) throws LuceneIndexException
{
Set<String> refs = new LinkedHashSet<String>();
try
{
if (delete)
{
reader.deleteDocuments(new Term("ID", nodeRef));
}
refs.add(nodeRef);
if (cascade)
{
TermDocs td = reader.termDocs(new Term("ANCESTOR", nodeRef));
while (td.next())
{
int doc = td.doc();
Document document = reader.document(doc);
String[] ids = document.getValues("ID");
refs.add(ids[ids.length - 1]);
if (delete)
{
reader.deleteDocument(doc);
}
}
td.close();
}
}
catch (IOException e)
{
throw new LuceneIndexException("Failed to delete container and below for " + nodeRef, e);
}
return refs;
}
示例8: getImagesOf
import org.apache.lucene.index.IndexReader; //導入方法依賴的package包/類
private List<Image> getImagesOf(Collection collection) {
List<Image> results = new ArrayList<>();
try {
Path path = indexPath(collection);
if(!Files.exists(path)) return results;
IndexReader ir = DirectoryReader.open(FSDirectory.open(path));
int num = ir.numDocs();
for ( int i = 0; i < num; i++)
{
Document d = ir.document(i);
String imagePath = d.getField(DocumentBuilder.FIELD_NAME_IDENTIFIER).stringValue();
String thumbnailPath = collectionUtils.getThumbnailPathFromImagePath(collection, imagePath);
Image image = new Image(imagePath, thumbnailPath);
image.setDocId(i);
results.add(image);
}
ir.close();
} catch (IOException e) {
throw new LireLabException("Could not read index", e);
}
return results;
}
示例9: query
import org.apache.lucene.index.IndexReader; //導入方法依賴的package包/類
@Override
public <T> void query(
@NonNull Collection<? super T> result,
@NonNull Convertor<? super Document, T> convertor,
@NullAllowed FieldSelector selector,
@NullAllowed AtomicBoolean cancel,
@NonNull Query... queries) throws IOException, InterruptedException {
Parameters.notNull("queries", queries); //NOI18N
Parameters.notNull("convertor", convertor); //NOI18N
Parameters.notNull("result", result); //NOI18N
if (selector == null) {
selector = AllFieldsSelector.INSTANCE;
}
lock.readLock().lock();
try {
final IndexReader in = getReader();
if (in == null) {
return;
}
final BitSet bs = new BitSet(in.maxDoc());
final Collector c = new BitSetCollector(bs);
final Searcher searcher = new IndexSearcher(in);
try {
for (Query q : queries) {
if (cancel != null && cancel.get()) {
throw new InterruptedException ();
}
searcher.search(q, c);
}
} finally {
searcher.close();
}
for (int docNum = bs.nextSetBit(0); docNum >= 0; docNum = bs.nextSetBit(docNum+1)) {
if (cancel != null && cancel.get()) {
throw new InterruptedException ();
}
final Document doc = in.document(docNum, selector);
final T value = convertor.convert(doc);
if (value != null) {
result.add (value);
}
}
} finally {
lock.readLock().unlock();
}
}
示例10: queryDocTerms
import org.apache.lucene.index.IndexReader; //導入方法依賴的package包/類
@Override
public <S, T> void queryDocTerms(
@NonNull Map<? super T, Set<S>> result,
@NonNull Convertor<? super Document, T> convertor,
@NonNull Convertor<? super Term, S> termConvertor,
@NullAllowed FieldSelector selector,
@NullAllowed AtomicBoolean cancel,
@NonNull Query... queries) throws IOException, InterruptedException {
Parameters.notNull("result", result); //NOI18N
Parameters.notNull("convertor", convertor); //NOI18N
Parameters.notNull("termConvertor", termConvertor); //NOI18N
Parameters.notNull("queries", queries); //NOI18N
if (selector == null) {
selector = AllFieldsSelector.INSTANCE;
}
lock.readLock().lock();
try {
final IndexReader in = getReader();
if (in == null) {
return;
}
final BitSet bs = new BitSet(in.maxDoc());
final Collector c = new BitSetCollector(bs);
final Searcher searcher = new IndexSearcher(in);
final TermCollector termCollector = new TermCollector(c);
try {
for (Query q : queries) {
if (cancel != null && cancel.get()) {
throw new InterruptedException ();
}
if (q instanceof TermCollector.TermCollecting) {
((TermCollector.TermCollecting)q).attach(termCollector);
} else {
throw new IllegalArgumentException (
String.format("Query: %s does not implement TermCollecting", //NOI18N
q.getClass().getName()));
}
searcher.search(q, termCollector);
}
} finally {
searcher.close();
}
for (int docNum = bs.nextSetBit(0); docNum >= 0; docNum = bs.nextSetBit(docNum+1)) {
if (cancel != null && cancel.get()) {
throw new InterruptedException ();
}
final Document doc = in.document(docNum, selector);
final T value = convertor.convert(doc);
if (value != null) {
final Set<Term> terms = termCollector.get(docNum);
if (terms != null) {
result.put (value, convertTerms(termConvertor, terms));
}
}
}
} finally {
lock.readLock().unlock();
}
}