org.hibernate.Query.getReturnTypes()方法的使用及代码示例

x33g5p2x  于2022-01-28 转载在 其他  
字(7.7k)|赞(0)|评价(0)|浏览(225)

本文整理了Java中org.hibernate.Query.getReturnTypes方法的一些代码示例，展示了Query.getReturnTypes的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Query.getReturnTypes方法的具体详情如下：
包路径：org.hibernate.Query
类名称：Query
方法名：getReturnTypes

Query.getReturnTypes介绍

[英]Return the Hibernate types of the query results.
[中]返回查询结果的休眠类型。

代码示例

代码示例来源：origin: hibernate/hibernate-orm

  1. public TupleBuilderTransformer(org.hibernate.Query hqlQuery) {
  2.   final Type[] resultTypes = hqlQuery.getReturnTypes();
  3.   final int tupleSize = resultTypes.length;
  4.   this.tupleElements = CollectionHelper.arrayList( tupleSize );
  5.   final String[] aliases = hqlQuery.getReturnAliases();
  6.   final boolean hasAliases = aliases != null && aliases.length > 0;
  7.   this.tupleElementsByAlias = hasAliases
  8.       ? CollectionHelper.<String, HqlTupleElementImpl>mapOfSize( tupleSize )
  9.       : Collections.<String, HqlTupleElementImpl>emptyMap();
  10.   for ( int i = 0; i < tupleSize; i++ ) {
  11.     final HqlTupleElementImpl tupleElement = new HqlTupleElementImpl(
  12.         i,
  13.         aliases == null ? null : aliases[i],
  14.         resultTypes[i]
  15.     );
  16.     tupleElements.add( tupleElement );
  17.     if ( hasAliases ) {
  18.       final String alias = aliases[i];
  19.       if ( alias != null ) {
  20.         tupleElementsByAlias.put( alias, tupleElement );
  21.       }
  22.     }
  23.   }
  24. }

代码示例来源：origin: hibernate/hibernate-orm

  1. @Test
  2. public void testJpaTypeOperator() {
  3.   // just checking syntax here...
  4.   Session s = openSession();
  5.   s.beginTransaction();
  6.   ///////////////////////////////////////////////////////////////
  7.   // where clause
  8.   // control
  9.   s.createQuery( "from Animal a where a.class = Dog" ).list();
  10.   // test
  11.   s.createQuery( "from Animal a where type(a) = Dog" ).list();
  12.   ///////////////////////////////////////////////////////////////
  13.   // select clause (at some point we should unify these)
  14.   // control
  15.   Query query = s.createQuery( "select a.class from Animal a where a.class = Dog" );
  16.   query.list(); // checks syntax
  17.   assertEquals( 1, query.getReturnTypes().length );
  18.   assertEquals( Integer.class, query.getReturnTypes()[0].getReturnedClass() ); // always integer for joined
  19.   // test
  20.   query = s.createQuery( "select type(a) from Animal a where type(a) = Dog" );
  21.   query.list(); // checks syntax
  22.   assertEquals( 1, query.getReturnTypes().length );
  23.   assertEquals( DiscriminatorType.class, query.getReturnTypes()[0].getClass() );
  24.   assertEquals( Class.class, query.getReturnTypes()[0].getReturnedClass() );
  25.   s.getTransaction().commit();
  26.   s.close();
  27. }

代码示例来源：origin: hibernate/hibernate-orm

  1. @Test
  2. @TestForIssue( jiraKey = "HHH-1464" )
  3. public void testQueryMetadataRetrievalWithFetching() {
  4.   // HHH-1464 : there was a problem due to the fact they we polled
  5.   // the shallow version of the query plan to get the metadata.
  6.   Session s = openSession();
  7.   Query query = s.createQuery( "from Animal a inner join fetch a.mother" );
  8.   assertEquals( 1, query.getReturnTypes().length );
  9.   assertNull( query.getReturnAliases() );
  10.   s.close();
  11. }

代码示例来源：origin: hibernate/hibernate-orm

  1. s.clear();
  2. Query q = s.createQuery("select distinct a.zoo from Animal a where a.zoo is not null");
  3. Type type = q.getReturnTypes()[0];
  4. assertTrue( type instanceof ManyToOneType );
  5. assertEquals( ( (ManyToOneType) type ).getAssociatedEntityName(), "org.hibernate.test.hql.Zoo" );

代码示例来源：origin: hibernate/hibernate-orm

  1. s.clear();
  2. Query q = s.createQuery("select distinct a.zoo from Animal a where a.zoo is not null");
  3. Type type = q.getReturnTypes()[0];
  4. assertTrue( type instanceof ManyToOneType );
  5. assertEquals( ( (ManyToOneType) type ).getAssociatedEntityName(), "org.hibernate.test.hql.Zoo" );

代码示例来源：origin: hibernate/hibernate-orm

  1. s.clear();
  2. Query q = s.createQuery("select a.zoo from Animal a where a.zoo is not null order by a.zoo.name");
  3. Type type = q.getReturnTypes()[0];
  4. assertTrue( type instanceof ManyToOneType );
  5. assertEquals( ( (ManyToOneType) type ).getAssociatedEntityName(), "org.hibernate.test.hql.Zoo" );

代码示例来源：origin: hibernate/hibernate-orm

  1. s.clear();
  2. Query q = s.createQuery("select distinct a.zoo from Animal a where a.zoo is not null order by a.zoo.name");
  3. Type type = q.getReturnTypes()[0];
  4. assertTrue( type instanceof ManyToOneType );
  5. assertEquals( ( (ManyToOneType) type ).getAssociatedEntityName(), "org.hibernate.test.hql.Zoo" );

代码示例来源：origin: hibernate/hibernate-orm

  1. qu.getReturnTypes();
  2. qu.getNamedParameters();

代码示例来源：origin: hibernate/hibernate-orm

  1. s.save( new Bar() );
  2. Query query = s.createQuery("select f, f.integer from Foo f");
  3. assertTrue( query.getReturnTypes().length==2 );
  4. ScrollableResults iter = query.scroll();
  5. assertTrue( iter.next() );
  6. txn = s.beginTransaction();
  7. query = s.createQuery("select f, f.integer from Foo f");
  8. assertTrue( query.getReturnTypes().length==2 );
  9. iter = query.scroll();
  10. assertTrue( iter.next() );

代码示例来源：origin: jasperreports/jasperreports

  1. /**
  2.  * Returns the return types of the HQL query.
  3.  * 
  4.  * @return the return types of the HQL query
  5.  */
  6. public Type[] getReturnTypes()
  7. {
  8.   return query.getReturnTypes();
  9. }

代码示例来源：origin: com.github.cafdataprocessing/corepolicy-hibernate

  1. @Override
  2. public Type[] getReturnTypes() {
  3.   return query.getReturnTypes();
  4. }

代码示例来源：origin: ezbz/projectx

  1. @Override
  2. public Type[] getReturnTypes() throws HibernateException {
  3.  return query.getReturnTypes();
  4. }

代码示例来源：origin: riotfamily/riot

  1. public Type[] getReturnTypes() throws HibernateException {
  2.   return query.getReturnTypes();
  3. }

代码示例来源：origin: riotfamily/riot

  1. @SuppressWarnings("unchecked")
  2. public QueryResult(Query query) {
  3.   super(query.list(), query.getReturnTypes()[0].getReturnedClass());
  4. }

代码示例来源：origin: org.hibernate/com.springsource.org.hibernate.ejb

  1. public TupleBuilderTransformer(org.hibernate.Query hqlQuery) {
  2.   final Type[] resultTypes = hqlQuery.getReturnTypes();
  3.   final int tupleSize = resultTypes.length;
  4.   this.tupleElements = CollectionHelper.arrayList( tupleSize );
  5.   final String[] aliases = hqlQuery.getReturnAliases();
  6.   final boolean hasAliases = aliases != null && aliases.length > 0;
  7.   this.tupleElementsByAlias = hasAliases
  8.       ? CollectionHelper.<String, HqlTupleElementImpl>mapOfSize( tupleSize )
  9.       : Collections.<String, HqlTupleElementImpl>emptyMap();
  10.   for ( int i = 0; i < tupleSize; i++ ) {
  11.     final HqlTupleElementImpl tupleElement = new HqlTupleElementImpl(
  12.         i,
  13.         aliases == null ? null : aliases[i],
  14.         resultTypes[i]
  15.     );
  16.     tupleElements.add( tupleElement );
  17.     if ( hasAliases ) {
  18.       final String alias = aliases[i];
  19.       if ( alias != null ) {
  20.         tupleElementsByAlias.put( alias, tupleElement );
  21.       }
  22.     }
  23.   }
  24. }

代码示例来源：origin: org.exoplatform.core/exo.core.component.organization.jdbc

  1. E[] entities = (E[])Array.newInstance(query.getReturnTypes()[0].getReturnedClass(), length);
  2. Iterator<E> results = query.iterate();

代码示例来源：origin: org.hibernate/com.springsource.org.hibernate.ejb

  1. else if ( hqlQuery.getReturnTypes().length == 1 ) {
  2.   if ( !resultClass.isAssignableFrom( hqlQuery.getReturnTypes()[0].getReturnedClass() ) ) {
  3.     throw new IllegalArgumentException(
  4.         "Type specified for TypedQuery [" +
  5.             resultClass.getName() +
  6.             "] is incompatible with query return type [" +
  7.             hqlQuery.getReturnTypes()[0].getReturnedClass() + "]"
  8.     );

代码示例来源：origin: org.hibernate/com.springsource.org.hibernate.ejb

  1. if ( namedQuery.getReturnTypes().length != 1 ) {
  2.   throw new IllegalArgumentException( "Cannot create TypedQuery for query with more than one return" );
  3. if ( !resultClass.isAssignableFrom( namedQuery.getReturnTypes()[0].getReturnedClass() ) ) {
  4.   throw buildIncompatibleException( resultClass, namedQuery.getReturnTypes()[0].getReturnedClass() );

代码示例来源：origin: org.hibernate/com.springsource.org.hibernate.ejb

  1. public <T> TypedQuery<T> createQuery(
  2.     String jpaqlString,
  3.     Class<T> resultClass,
  4.     Selection selection,
  5.     Options options) {
  6.   try {
  7.     org.hibernate.Query hqlQuery = getSession().createQuery( jpaqlString );
  8.     if ( options.getValueHandlers() == null ) {
  9.       options.getResultMetadataValidator().validate( hqlQuery.getReturnTypes() );
  10.     }
  11.     // determine if we need a result transformer
  12.     List tupleElements = Tuple.class.equals( resultClass )
  13.         ? ( ( CompoundSelectionImpl<Tuple> ) selection ).getCompoundSelectionItems()
  14.         : null;
  15.     if ( options.getValueHandlers() != null || tupleElements != null ) {
  16.       hqlQuery.setResultTransformer(
  17.           new CriteriaQueryTransformer( options.getValueHandlers(), tupleElements )
  18.       );
  19.     }
  20.     return new QueryImpl<T>( hqlQuery, this, options.getNamedParameterExplicitTypes() );
  21.   }
  22.   catch ( HibernateException he ) {
  23.     throw convert( he );
  24.   }
  25. }

内容来源于网络，如有侵权，请联系作者删除！

query

相关文章

    查看更多

    热门标签

    更多
    JavaquerypythonNode开发语言requestUtil数据库Table后端算法LoggerMessageElementParser

    最新文章

    更多

    Query类方法

    • 蜀ICP备13028337号-1 大数据知识库 https://www.saoniuhuo.com © All rights reserved
    • 本站内容来源互联网,如果侵犯您的权益请联系我们删除, 联系方式：448109455@qq.com