Java FullTextEntityManager.createFullTextQuery方法代码示例

import org.hibernate.search.jpa.FullTextEntityManager; //导入方法依赖的package包/类
/**
 * Searches the lucene store for a specific query
 *
 * @param <T>       What type of information are we searching
 * @param clazz     The class of the information we are searching
 * @param queryText The query text
 * @return list of entities
 * @throws ParseException the parse exception
 */
public final <T extends BaseEntity> List<Object[]> search(final Class<T> clazz, final String queryText) throws ParseException {
    final FullTextEntityManager fullTextEntityManager = Search.getFullTextEntityManager(entityManager);

    final SearchFactory searchFactory = fullTextEntityManager.getSearchFactory();

    final QueryParser parser = new MultiFieldQueryParser(getClassLuceneFields(clazz), searchFactory.getAnalyzer(clazz));

    final List<Query> parsedQueries = Arrays.stream(queryText.split("AND"))
            .map(e -> parseQuery(e, parser))
            .filter(Objects::nonNull)
            .collect(Collectors.toList());

    final BooleanQuery.Builder bq = new BooleanQuery.Builder();
    parsedQueries.forEach(e -> bq.add(e, BooleanClause.Occur.MUST));

    final FullTextQuery jpaQuery = fullTextEntityManager.createFullTextQuery(bq.build(), clazz);
    jpaQuery.setProjection(ProjectionConstants.SCORE, ProjectionConstants.EXPLANATION, ProjectionConstants.THIS);

    return (List<Object[]>) jpaQuery.getResultList();
}
 

import org.hibernate.search.jpa.FullTextEntityManager; //导入方法依赖的package包/类
@Override
public FullTextQuery getFTSQuery(String filterText, final Class<?> entityType, Integer maxResults, String... fields) {

	// entityManager para busquedas de tipo FTS
	final FullTextEntityManager fullTextEntityManager = org.hibernate.search.jpa.Search.getFullTextEntityManager(entityManager);

	// se crea el query usando Hibernate Search query DSL
	final QueryBuilder queryBuilder = fullTextEntityManager.getSearchFactory().buildQueryBuilder().forEntity(entityType).get();

	// se crea el query sobre los campos indicados
	final Query query = queryBuilder.keyword().onFields(fields).matching(filterText.trim()).createQuery();

	// se enmascara el query de Lucene en uno de Hibernate
	final FullTextQuery jpaQuery = fullTextEntityManager.createFullTextQuery(query, entityType);

	// se define la cantidad maxima de resultados si es mayor a cero
	if (maxResults > 0) {
		jpaQuery.setMaxResults(maxResults);
	}
	// se retorna el query listo para ejecución o para inyeccion de criterias
	return jpaQuery;
}
 

import org.hibernate.search.jpa.FullTextEntityManager; //导入方法依赖的package包/类
@Transactional
@Override
public Page<Book> search(String query, Pageable page) {
	FullTextEntityManager manager = this.getFullTextEntityManager();

	QueryBuilder builder = manager.getSearchFactory().buildQueryBuilder().forEntity(Book.class).get();

	Query luceneQuery = builder.keyword().fuzzy()
			.onFields("author", "title", "lang", "description", "isbn", "genre", "location").matching(query)
			.createQuery();

	FullTextQuery q = manager.createFullTextQuery(luceneQuery, Book.class);
	q.setProjection(FullTextQuery.THIS, FullTextQuery.SCORE);

	long total = q.getResultSize();
	q.setFirstResult(page.getOffset()).setMaxResults(page.getPageSize());

	@SuppressWarnings("unchecked")
	List<Object[]> result = q.getResultList();
	List<Book> fine = new LinkedList<>();
	for (Object[] i : result) {
		fine.add((Book) i[0]);
	}
	return new PageImpl<>(fine, page, total);
}
 

import org.hibernate.search.jpa.FullTextEntityManager; //导入方法依赖的package包/类
@Override
public FullTextQuery getFTSWildcardQuery(String filterText, final Class<?> entityType, Integer maxResults, String field) {

	// entityManager para busquedas de tipo FTS
	final FullTextEntityManager fullTextEntityManager = org.hibernate.search.jpa.Search.getFullTextEntityManager(entityManager);

	// se crea el query usando Hibernate Search query DSL
	final QueryBuilder queryBuilder = fullTextEntityManager.getSearchFactory().buildQueryBuilder().forEntity(entityType).get();

	// se crea el query sobre los campos indicados
	final Query query = queryBuilder.phrase().onField(field).sentence(filterText.trim()).createQuery();

	// se enmascara el query de Lucene en uno de Hibernate
	final FullTextQuery jpaQuery = fullTextEntityManager.createFullTextQuery(query, entityType);

	// se define la cantidad maxima de resultados si es mayor a cero
	if (maxResults > 0) {
		jpaQuery.setMaxResults(maxResults);
	}
	// se retorna el query listo para ejecución o para inyeccion de criterias
	return jpaQuery;
}
 

import org.hibernate.search.jpa.FullTextEntityManager; //导入方法依赖的package包/类
@Transactional
@Override
public Collection<User> search(String query) {
    FullTextEntityManager manager = this.getFullTextEntityManager();

    QueryBuilder builder = manager.getSearchFactory().buildQueryBuilder().forEntity(User.class).get();

    Query luceneQuery = builder.keyword().fuzzy()
            .onFields("username").matching(query)
            .createQuery();

    FullTextQuery q = manager.createFullTextQuery(luceneQuery, User.class);
    q.setProjection(FullTextQuery.THIS, FullTextQuery.SCORE);

    @SuppressWarnings("unchecked")
    List<Object[]> result = q.getResultList();
    List<User> fine = new LinkedList<>();
    result.stream().forEach((i) -> {
        fine.add((User) i[0]);
    });
    return fine;
}
 

import org.hibernate.search.jpa.FullTextEntityManager; //导入方法依赖的package包/类
public Customers extractCustomer( String email , String password ) {

        FullTextEntityManager fullTextEntityManager = org.hibernate.search.jpa.Search.getFullTextEntityManager(
                em );

        QueryBuilder queryBuilder = fullTextEntityManager.getSearchFactory().buildQueryBuilder().forEntity(
                Customers.class ).get();
        org.apache.lucene.search.Query query = queryBuilder.bool().must( queryBuilder.keyword()
                .onField( "email" ).matching( email ).createQuery() ).must( queryBuilder.keyword()
                        .onField( "password" ).matching( password ).createQuery() ).createQuery();

        FullTextQuery fullTextQuery = fullTextEntityManager.createFullTextQuery( query ,
                                                                                 Customers.class );

        //fullTextQuery.initializeObjectsWith(ObjectLookupMethod.SKIP, DatabaseRetrievalMethod.FIND_BY_ID);
        List results = fullTextQuery.getResultList();

        if ( results.isEmpty() ) {
            return null;
        }

        return ( Customers ) results.get( 0 );
    }
 

import org.hibernate.search.jpa.FullTextEntityManager; //导入方法依赖的package包/类
@Override
public List<Product> searchByText(String text) {
	Product productEntity = newInstance();
	FullTextEntityManager fullTextEntityManager = Search.getFullTextEntityManager(em);

	QueryBuilder qb = fullTextEntityManager.getSearchFactory().buildQueryBuilder()
			.forEntity(productEntity.getClass()).get();
	if (!Strings.isNullOrEmpty(text)) {
		Query query = qb.keyword().onField("name").andField("details").andField("technicalDetails").matching(text)
				.createQuery();

		javax.persistence.Query persistenceQuery = fullTextEntityManager.createFullTextQuery(query,
				productEntity.getClass());
		List<Product> result = persistenceQuery.getResultList();

		if (CollectionUtils.isNotEmpty(result)) {
			for (Product product : result) {
				loadImagesFromQuantities(product.getQuantities());
			}
		}
		return result;
	}
	return Collections.emptyList();
}
 

import org.hibernate.search.jpa.FullTextEntityManager; //导入方法依赖的package包/类
@Nullable
@SuppressWarnings({ CompilerWarnings.UNCHECKED })
private Long[] processKeywords(EntityManager entityManager, @Nullable Integer maxResults) {
    FullTextEntityManager fullTextEntityManager = Search.getFullTextEntityManager(entityManager);
    QueryBuilder queryBuilder = fullTextEntityManager.getSearchFactory().buildQueryBuilder().forEntity(this.entityImplClass).get();
    BooleanJunction<?> conjunction = queryBuilder.bool();

    PropertyMetadata keywordPropMetadata;

    for (String keywordPropName : this.keywords.keySet()) {
        conjunction = conjunction.must(queryBuilder.keyword()
            .onFields((keywordPropMetadata = this.entityPropMetadatas.get(keywordPropName)).getLowercaseFieldName(),
                keywordPropMetadata.getEdgeNgramFieldName(), keywordPropMetadata.getNgramFieldName(), keywordPropMetadata.getPhoneticFieldName())
            .matching(StringUtils.join(this.keywords.get(keywordPropName), StringUtils.SPACE)).createQuery());
    }

    FullTextQuery fullTextQuery = fullTextEntityManager.createFullTextQuery(new InterceptingQuery(conjunction.createQuery()), this.entityImplClass);
    fullTextQuery.setProjection(ProjectionConstants.ID);

    if (maxResults != null) {
        fullTextQuery.setMaxResults(maxResults);
    }

    return ((List<Object[]>) fullTextQuery.getResultList()).stream().map(fullTextResult -> ((Long) fullTextResult[0])).toArray(Long[]::new);
}
 

import org.hibernate.search.jpa.FullTextEntityManager; //导入方法依赖的package包/类
private <T> FullTextQuery createFullTextQuery(Class<T> typeClass,
		FullTextEntityManager fullTextEntityManager,
		QueryBuilder queryBuilder, Map<String, Query> crtsMap) {
	BooleanJunction<?> booleanJunction = hibernateSearchBuilder.createFinalBooleanJunction(
			queryBuilder, crtsMap);

	FullTextQuery fullTextQuery = null;

	if(booleanJunction == null){
		fullTextQuery =
		fullTextEntityManager.createFullTextQuery(
				queryBuilder.all().createQuery(), typeClass);
	} else {
		
		fullTextQuery =
		fullTextEntityManager.createFullTextQuery(
				booleanJunction.createQuery(), typeClass);
	}
	return fullTextQuery;
}
 

import org.hibernate.search.jpa.FullTextEntityManager; //导入方法依赖的package包/类
@SuppressWarnings("unchecked")
public <T> List<T> find(Class<T> clazz, SearchParameters sp, List<SingularAttribute<?, ?>> availableProperties) {
    // log.info("Searching {} with terms : {} with available Properties: {}", new Object[]{clazz.getSimpleName(), sp.getTerms(), availableProperties});
    FullTextEntityManager fullTextEntityManager = getFullTextEntityManager(entityManager);
    Query query = sp.getLuceneQueryBuilder().build(fullTextEntityManager, sp, availableProperties);

    if (query == null) {
        return null;
    }

    FullTextQuery ftq = fullTextEntityManager.createFullTextQuery( //
            query, clazz);
    if (sp.getMaxResults() > 0) {
        ftq.setMaxResults(sp.getMaxResults());
    }
    return ftq.getResultList();
}
 

import org.hibernate.search.jpa.FullTextEntityManager; //导入方法依赖的package包/类
@SuppressWarnings("unchecked")
public <T> List<Serializable> findId(Class<T> clazz, SearchParameters sp, List<SingularAttribute<?, ?>> availableProperties) {
    //log.info("Searching {} with terms : {} with available Properties: {}", new Object[]{clazz.getSimpleName(), sp.getTerms(), availableProperties});
    FullTextEntityManager fullTextEntityManager = getFullTextEntityManager(entityManager);
    Query query = sp.getLuceneQueryBuilder().build(fullTextEntityManager, sp, availableProperties);

    if (query == null) {
        return null;
    }

    FullTextQuery ftq = fullTextEntityManager.createFullTextQuery( //
            query, clazz);
    ftq.setProjection("id");
    if (sp.getMaxResults() > 0) {
        ftq.setMaxResults(sp.getMaxResults());
    }
    List<Serializable> ids = newArrayList();
    List<Object[]> resultList = ftq.getResultList();
    for (Object[] result : resultList) {
        ids.add((Serializable) result[0]);
    }
    return ids;
}
 

import org.hibernate.search.jpa.FullTextEntityManager; //导入方法依赖的package包/类
public List<String> extractCategories() {

        FullTextEntityManager fullTextEntityManager = org.hibernate.search.jpa.Search.getFullTextEntityManager(
                em );

        QueryBuilder queryBuilder = fullTextEntityManager.getSearchFactory().buildQueryBuilder().forEntity(
                Categories.class ).get();
        org.apache.lucene.search.Query query = queryBuilder.all().createQuery();

        FullTextQuery fullTextQuery = fullTextEntityManager.createFullTextQuery( query ,
                                                                                 Categories.class );
        fullTextQuery.setProjection( FullTextQuery.ID , "category" );
        Sort sort = new Sort( new SortField( "category" , SortField.STRING ) );
        fullTextQuery.setSort( sort );

        //fullTextQuery.initializeObjectsWith(ObjectLookupMethod.SKIP, DatabaseRetrievalMethod.FIND_BY_ID);
        List<String> results = fullTextQuery.getResultList();

        return results;
    }
 

import org.hibernate.search.jpa.FullTextEntityManager; //导入方法依赖的package包/类
public Map<Integer , List<Products>> extractProducts( String id , int page ) {

        FullTextEntityManager fullTextEntityManager = org.hibernate.search.jpa.Search.getFullTextEntityManager(
                em );

        QueryBuilder queryBuilder = fullTextEntityManager.getSearchFactory().buildQueryBuilder().forEntity(
                Products.class ).get();
        org.apache.lucene.search.Query query = queryBuilder.keyword().onField( "category.id" ).matching(
                id ).createQuery();

        FullTextQuery fullTextQuery = fullTextEntityManager.createFullTextQuery( query ,
                                                                                 Products.class );
        Sort sort = new Sort( new SortField( "price" , SortField.DOUBLE ) );
        fullTextQuery.setSort( sort );

        //fullTextQuery.initializeObjectsWith(ObjectLookupMethod.SKIP, DatabaseRetrievalMethod.FIND_BY_ID);
        fullTextQuery.setFirstResult( page * 3 );
        fullTextQuery.setMaxResults( 3 );
        List<Products> results = fullTextQuery.getResultList();

        Map<Integer , List<Products>> results_and_total = new HashMap<Integer , List<Products>>();
        results_and_total.put( fullTextQuery.getResultSize() , results );

        return results_and_total;
    }
 

import org.hibernate.search.jpa.FullTextEntityManager; //导入方法依赖的package包/类
public List<Products> searchProducts( String search ) {

        FullTextEntityManager fullTextEntityManager = org.hibernate.search.jpa.Search.getFullTextEntityManager(
                em );

        QueryBuilder queryBuilder = fullTextEntityManager.getSearchFactory().buildQueryBuilder().forEntity(
                Products.class ).get();
        org.apache.lucene.search.Query query = queryBuilder.keyword().onField( "product" ).matching(
                search ).createQuery();

        FullTextQuery fullTextQuery = fullTextEntityManager.createFullTextQuery( query ,
                                                                                 Products.class );

        //fullTextQuery.initializeObjectsWith(ObjectLookupMethod.SKIP, DatabaseRetrievalMethod.FIND_BY_ID);
        fullTextQuery.setMaxResults( 3 );

        List results = fullTextQuery.getResultList();

        return results;
    }
 

import org.hibernate.search.jpa.FullTextEntityManager; //导入方法依赖的package包/类
public List<Products> extractPromotionalProducts() {

        FullTextEntityManager fullTextEntityManager = org.hibernate.search.jpa.Search.getFullTextEntityManager(
                em );

        org.apache.lucene.search.Query query = NumericRangeQuery.newDoubleRange( "old_price" , 0.0d ,
                                                                                 1000d , false ,
                                                                                 true );
        FullTextQuery fullTextQuery = fullTextEntityManager.createFullTextQuery( query ,
                                                                                 Products.class );
        Sort sort = new Sort( new SortField( "price" , SortField.DOUBLE ) );
        fullTextQuery.setSort( sort );

        //fullTextQuery.initializeObjectsWith(ObjectLookupMethod.SKIP, DatabaseRetrievalMethod.FIND_BY_ID);
        List results = fullTextQuery.getResultList();

        return results;
    }