Example usage for org.apache.lucene.search SortField SortField

Introduction

In this page you can find the example usage for org.apache.lucene.search SortField SortField.

Prototype

public SortField(String field, FieldComparatorSource comparator, boolean reverse)

Source Link

Document

Creates a sort, possibly in reverse, with a custom comparison function.

Usage

From source file:SearchHelpDocs.java

License:Open Source License

/**
 * Default search, sort by score and date
 *//*from www . j  a  va2s .c o m*/
private static Sort createSort() throws Exception {
    Sort sort = new Sort();
    SortField fields[] = { SortField.FIELD_SCORE, new SortField("yyyymmdd", SortField.STRING, true) };
    sort.setSort(fields);
    return sort;
}

From source file:am.ik.categolj2.domain.repository.entry.EntryRepositoryImpl.java

License:Apache License

Page<Entry> searchTemplate(Pageable pageable,
        Function<QueryBuilder, org.apache.lucene.search.Query> queryCreator) {
    try {// w w  w  .j  a v a2  s. c  o m
        creatingIndex.get();
    } catch (InterruptedException e) {
        logger.warn("Interrupted!", e);
        Thread.currentThread().interrupt();
    } catch (ExecutionException e) {
        logger.error("Index creation failed!!", e);
    }
    FullTextEntityManager fullTextEntityManager = Search.getFullTextEntityManager(entityManager);
    QueryBuilder queryBuilder = fullTextEntityManager.getSearchFactory().buildQueryBuilder()
            .forEntity(Entry.class).get();

    org.apache.lucene.search.Query query = queryCreator.apply(queryBuilder);
    org.apache.lucene.search.Sort sort = new Sort(
            new SortField("lastModifiedDate", SortField.Type.STRING_VAL, true));
    Query jpaQuery = fullTextEntityManager.createFullTextQuery(query, Entry.class).setSort(sort)
            .setFirstResult(pageable.getOffset()).setMaxResults(pageable.getPageSize());
    int count = fullTextEntityManager.createFullTextQuery(query, Entry.class).getResultSize();
    @SuppressWarnings("unchecked")
    List<Entry> content = jpaQuery.getResultList();
    return new PageImpl<>(content, pageable, count);
}

From source file:axiom.scripting.rhino.LuceneQueryDispatcher.java

License:Open Source License

private Sort getLuceneSort(SortObject sort) {
    if (sort == null) {
        return null;
    }//from  w w w  . j  av  a  2  s. c  om
    QuerySortField[] fields = sort.getSortFields();
    if (fields == null) {
        return null;
    }

    final int length = fields.length;
    SortField[] sortFields = new SortField[length];
    for (int i = 0; i < length; i++) {
        String s = fields[i].getField();
        if (s == null) {
            return null;
        }
        sortFields[i] = new SortField(s, SortField.STRING, !fields[i].isAscending());
    }

    return new Sort(sortFields);
}

From source file:br.ufba.dcc.mestrado.computacao.repository.impl.ProjectRepositoryImpl.java

private void configureRelevanceSort(FullTextQuery fullTextQuery) {
    boolean reverse = true;
    SortField userContSortField = new SortField(SearchFieldsEnum.projectUserCount.fieldName(),
            SortField.Type.LONG, reverse);
    SortField ratingContSortField = new SortField(SearchFieldsEnum.projectRatingCount.fieldName(),
            SortField.Type.LONG, reverse);
    SortField reviewContSortField = new SortField(SearchFieldsEnum.projectReviewCount.fieldName(),
            SortField.Type.LONG, reverse);

    List<SortField> sortFieldList = new LinkedList<>();
    sortFieldList.addAll(Arrays.asList(Sort.RELEVANCE.getSort()));
    sortFieldList.add(userContSortField);
    sortFieldList.add(reviewContSortField);
    sortFieldList.add(ratingContSortField);

    Sort sort = new Sort(userContSortField);
    fullTextQuery.setSort(sort);//from w  ww  .  java  2 s. co m
}

From source file:ccc.plugins.search.lucene.SimpleLuceneFS.java

License:Open Source License

/** {@inheritDoc} */
@Override//from w  w w .j  a  va2  s. co m
public SearchResult find(final String searchTerms, final String sort, final SortOrder order,
        final int nofOfResultsPerPage, final int pageNo) {
    final int page = pageNo - 1;
    final Sort sorter = (null == sort) ? null
            : new Sort(new SortField(sort, SortField.STRING_VAL, (SortOrder.DESC == order)));

    if (searchTerms == null || searchTerms.trim().equals("")) {
        return new SearchResult(new HashSet<UUID>(), 0, nofOfResultsPerPage, searchTerms, page);
    }

    final int maxHits = (page + 1) * nofOfResultsPerPage;
    final CapturingHandler capturingHandler = new CapturingHandler(nofOfResultsPerPage, page);

    find(searchTerms, maxHits, sorter, null, capturingHandler);

    return new SearchResult(capturingHandler.getHits(), capturingHandler.getTotalResultsCount(),
            nofOfResultsPerPage, searchTerms, page);

}

From source file:ccc.plugins.search.lucene.SimpleLuceneFS.java

License:Open Source License

/** {@inheritDoc} */
@Override//from   w  ww .j a  v  a 2 s . c o  m
public SearchResult find(final String searchTerms, final String sort, final SortOrder order,
        final ACL userPerms, final int nofOfResultsPerPage, final int pageNo) {
    final int page = pageNo - 1;
    final Sort sorter = (null == sort) ? null
            : new Sort(new SortField(sort, SortField.STRING_VAL, (SortOrder.DESC == order)));

    if (searchTerms == null || searchTerms.trim().equals("")) {
        return new SearchResult(new HashSet<UUID>(), 0, nofOfResultsPerPage, searchTerms, page);
    }

    final int maxHits = (page + 1) * nofOfResultsPerPage;
    final CapturingHandler capturingHandler = new CapturingHandler(nofOfResultsPerPage, page);

    find(searchTerms, maxHits, sorter, userPerms, capturingHandler);

    return new SearchResult(capturingHandler.getHits(), capturingHandler.getTotalResultsCount(),
            nofOfResultsPerPage, searchTerms, page);

}

From source file:com.aistor.modules.cms.service.ArticleService.java

License:Open Source License

/**
 * //ww  w.ja v a  2  s.co  m
 */
public Page<Article> search(Page<Article> page, String q) {

    // ?
    BooleanQuery query = articleDao.getFullTextQuery(q, "title", "keywords", "desciption",
            "articleData.content");
    // ?
    BooleanQuery queryFilter = articleDao.getFullTextQuery(
            new BooleanClause(new TermQuery(new Term("status", Article.STATUS_RELEASE)), Occur.MUST));
    // ?
    Sort sort = new Sort(new SortField("updateDate", SortField.DOC, true));
    // 
    articleDao.search(page, query, queryFilter, sort);
    // 
    articleDao.keywordsHighlight(query, page.getList(), "desciption", "articleData.content");

    return page;
}

From source file:com.amalto.core.storage.hibernate.FullTextQueryHandler.java

License:Open Source License

@Override
public StorageResults visit(OrderBy orderBy) {
    TypedExpression field = orderBy.getExpression();
    if (field instanceof Field) {
        FieldMetadata fieldMetadata = ((Field) field).getFieldMetadata();
        SortField sortField = new SortField(fieldMetadata.getName(), getSortType(fieldMetadata),
                orderBy.getDirection() == OrderBy.Direction.DESC);
        query.setSort(new Sort(sortField));
        return null;
    } else {//from  w  w  w.java 2s  .co  m
        throw new NotImplementedException("No support for order by for full text search on non-field.");
    }
}

From source file:com.b2international.snowowl.snomed.api.impl.ClassificationRunIndex.java

License:Apache License

public void trimIndex(int maximumResultsToKeep) throws IOException {
    final Query query = Fields.newQuery().field(FIELD_CLASS, ClassificationRun.class.getSimpleName())
            .matchAll();//  w w  w .  j  ava2s  .co m

    // Sort by decreasing document order
    final Sort sort = new Sort(new SortField(null, Type.DOC, true));

    final ClassificationRun lastRunToKeep = Iterables
            .getFirst(search(query, ClassificationRun.class, sort, maximumResultsToKeep - 1, 1), null);
    if (lastRunToKeep == null) {
        return;
    }

    final Date lastCreationDate = lastRunToKeep.getCreationDate();
    final Query trimmingQuery = LongPoint.newRangeQuery(FIELD_CREATION_DATE, Long.MIN_VALUE,
            lastCreationDate.getTime());
    writer.deleteDocuments(trimmingQuery);
    commit();
}

From source file:com.bewsia.script.safe.lucene.SEntity.java

License:Open Source License

public SortField newSortField(String field, int type, boolean reverse) {
    return new SortField(field, type, reverse);
}