本文整理汇总了Java中org.apache.lucene.search.vectorhighlight.FieldQuery类的典型用法代码示例。如果您正苦于以下问题：Java FieldQuery类的具体用法？Java FieldQuery怎么用？Java FieldQuery使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
FieldQuery类属于org.apache.lucene.search.vectorhighlight包，在下文中一共展示了FieldQuery类的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: searchIndex
import org.apache.lucene.search.vectorhighlight.FieldQuery; //导入依赖的package包/类
static void searchIndex(String filename) throws Exception {
QueryParser parser = new QueryParser(Version.LUCENE_41, F, analyzer);
Query query = parser.parse(QUERY);
FastVectorHighlighter highlighter = getHighlighter(); // #C
FieldQuery fieldQuery = highlighter.getFieldQuery(query); // #D
IndexSearcher searcher = new IndexSearcher(dir);
TopDocs docs = searcher.search(query, 10);
FileWriter writer = new FileWriter(filename);
writer.write("<html>");
writer.write("<body>");
writer.write("<p>QUERY : " + QUERY + "</p>");
for (ScoreDoc scoreDoc : docs.scoreDocs) {
String snippet = highlighter.getBestFragment( // #E
fieldQuery, searcher.getIndexReader(), // #E
scoreDoc.doc, F, 100); // #E
if (snippet != null) {
writer.write(scoreDoc.doc + " : " + snippet + "<br/>");
}
}
writer.write("</body></html>");
writer.close();
}
示例2: getBenchmarkHighlighter
import org.apache.lucene.search.vectorhighlight.FieldQuery; //导入依赖的package包/类
@Override
protected BenchmarkHighlighter getBenchmarkHighlighter(Query q){
highlighter = new FastVectorHighlighter( false, false );
final Query myq = q;
return new BenchmarkHighlighter(){
@Override
public int doHighlight(IndexReader reader, int doc, String field,
Document document, Analyzer analyzer, String text) throws Exception {
final FieldQuery fq = highlighter.getFieldQuery( myq, reader);
String[] fragments = highlighter.getBestFragments(fq, reader, doc, field, fragSize, maxFrags);
return fragments != null ? fragments.length : 0;
}
};
}
示例3: doHighlightingByFastVectorHighlighter
import org.apache.lucene.search.vectorhighlight.FieldQuery; //导入依赖的package包/类
private void doHighlightingByFastVectorHighlighter(FastVectorHighlighter highlighter, FieldQuery fieldQuery, SolrQueryRequest req, NamedList docSummaries, int docId,
Document doc, String fieldName) throws IOException
{
SolrParams params = req.getParams();
SolrFragmentsBuilder solrFb = getSolrFragmentsBuilder(fieldName, params);
String[] snippets = highlighter.getBestFragments(fieldQuery, req.getSearcher().getIndexReader(), docId, fieldName,
params.getFieldInt(fieldName, HighlightParams.FRAGSIZE, 100), params.getFieldInt(fieldName, HighlightParams.SNIPPETS, 1), getFragListBuilder(fieldName, params),
getFragmentsBuilder(fieldName, params), solrFb.getPreTags(params, fieldName), solrFb.getPostTags(params, fieldName), getEncoder(fieldName, params));
if (snippets != null && snippets.length > 0)
docSummaries.add(fieldName, snippets);
else
alternateField(docSummaries, params, doc, fieldName, fieldName, req);
}
示例4: doHighlighting
import org.apache.lucene.search.vectorhighlight.FieldQuery; //导入依赖的package包/类
/**
* Generates a list of Highlighted query fragments for each item in a list of documents, or returns null if
* highlighting is disabled.
*
* @param docs
* query results
* @param query
* the query
* @param req
* the current request
* @param defaultFields
* default list of fields to summarize
* @return NamedList containing a NamedList for each document, which in turns contains sets (field, summary) pairs.
*/
@Override
@SuppressWarnings("unchecked")
public NamedList<Object> doHighlighting(DocList docs, Query query, SolrQueryRequest req, String[] defaultFields) throws IOException
{
SolrParams params = req.getParams();
if (!isHighlightingEnabled(params))
return null;
SolrIndexSearcher searcher = req.getSearcher();
IndexSchema schema = searcher.getSchema();
NamedList fragments = new SimpleOrderedMap();
String[] fieldNames = getHighlightFields(query, req, defaultFields);
Set<String> fset = new HashSet<>();
{
// pre-fetch documents using the Searcher's doc cache
for (String f : fieldNames)
{
fset.add(f);
}
// fetch unique key if one exists.
SchemaField keyField = schema.getUniqueKeyField();
if (null != keyField)
fset.add(keyField.getName());
}
// get FastVectorHighlighter instance out of the processing loop
FastVectorHighlighter fvh = new FastVectorHighlighter(
// FVH cannot process hl.usePhraseHighlighter parameter per-field basis
params.getBool(HighlightParams.USE_PHRASE_HIGHLIGHTER, true),
// FVH cannot process hl.requireFieldMatch parameter per-field basis
params.getBool(HighlightParams.FIELD_MATCH, false));
fvh.setPhraseLimit(params.getInt(HighlightParams.PHRASE_LIMIT, SolrHighlighter.DEFAULT_PHRASE_LIMIT));
FieldQuery fieldQuery = fvh.getFieldQuery(query, searcher.getIndexReader());
// Highlight each document
DocIterator iterator = docs.iterator();
for (int i = 0; i < docs.size(); i++)
{
int docId = iterator.nextDoc();
Document doc = getDocument(searcher.doc(docId, fset), req);
NamedList docSummaries = new SimpleOrderedMap();
for (String fieldName : fieldNames)
{
fieldName = fieldName.trim();
if (useFastVectorHighlighter(params, schema, fieldName))
doHighlightingByFastVectorHighlighter(fvh, fieldQuery, req, docSummaries, docId, doc, fieldName);
else
doHighlightingByHighlighter(query, req, docSummaries, docId, doc, fieldName);
}
String printId = schema.printableUniqueKey(doc);
fragments.add(printId == null ? null : printId, docSummaries);
}
return fragments;
}