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

x33g5p2x  于2022-01-28 转载在 其他  
字(8.7k)|赞(0)|评价(0)|浏览(287)

本文整理了Java中org.hibernate.query.Query.setCacheable方法的一些代码示例，展示了Query.setCacheable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.setCacheable方法的具体详情如下：
包路径：org.hibernate.query.Query
类名称：Query
方法名：setCacheable

Query.setCacheable介绍

暂无

代码示例

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

  1. public HolidayCalendar getHolidayCalendar() {
  2.     Session session = sessionFactory.getCurrentSession();
  4.     session.beginTransaction();
  6.     List calendars = session.createQuery("from HolidayCalendar").setCacheable(true).list();
  8.     session.getTransaction().commit();
  10.     return calendars.isEmpty() ? null : (HolidayCalendar)calendars.get(0);
  11.   }
  12. }

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

  1. public HolidayCalendar getHolidayCalendar() {
  2.     Session session = sessionFactory.getCurrentSession();
  4.     session.beginTransaction();
  6.     List calendars = session.createQuery("from HolidayCalendar").setCacheable(true).list();
  8.     session.getTransaction().commit();
  10.     return calendars.isEmpty() ? null : (HolidayCalendar)calendars.get(0);
  11.   }
  12. }

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

  1. public List listEvents() {
  2.   Session session = sessionFactory.getCurrentSession();
  3.   session.beginTransaction();
  4.   List result = session.createQuery("from Event").setCacheable(true).list();
  5.   session.getTransaction().commit();
  6.   return result;
  7. }

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

  1. public List listEvents() {
  2.   Session session = sessionFactory.getCurrentSession();
  3.   session.beginTransaction();
  4.   List result = session.createQuery("from Event").setCacheable(true).list();
  5.   session.getTransaction().commit();
  6.   return result;
  7. }

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

  1. public Long createHolidayCalendar() {
  2.   Session session = sessionFactory.getCurrentSession();
  3.   session.beginTransaction();
  4.   // delete all existing calendars
  5.   List calendars = session.createQuery("from HolidayCalendar").setCacheable(true).list();
  6.   for (ListIterator li = calendars.listIterator(); li.hasNext(); ) {
  7.     session.delete(li.next());
  8.   }
  9.   HolidayCalendar calendar = new HolidayCalendar();
  10.   calendar.init();
  11.   Long calendarId = (Long)session.save(calendar);
  12.   session.getTransaction().commit();
  13.   return calendarId;
  14. }

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

  1. public Long createHolidayCalendar() {
  2.   Session session = sessionFactory.getCurrentSession();
  3.   session.beginTransaction();
  4.   // delete all existing calendars
  5.   List calendars = session.createQuery("from HolidayCalendar").setCacheable(true).list();
  6.   for (ListIterator li = calendars.listIterator(); li.hasNext(); ) {
  7.     session.delete(li.next());
  8.   }
  9.   HolidayCalendar calendar = new HolidayCalendar();
  10.   calendar.init();
  11.   Long calendarId = (Long)session.save(calendar);
  12.   session.getTransaction().commit();
  13.   return calendarId;
  14. }

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

  1. @Test
  2. public void test_hql_api_basic_usage_example() {
  3.   doInJPA( this::entityManagerFactory, entityManager -> {
  4.     Session session = entityManager.unwrap( Session.class );
  5.     //tag::hql-api-basic-usage-example[]
  6.     org.hibernate.query.Query query = session.createQuery(
  7.       "select p " +
  8.       "from Person p " +
  9.       "where p.name like :name" )
  10.     // timeout - in seconds
  11.     .setTimeout( 2 )
  12.     // write to L2 caches, but do not read from them
  13.     .setCacheMode( CacheMode.REFRESH )
  14.     // assuming query cache was enabled for the SessionFactory
  15.     .setCacheable( true )
  16.     // add a comment to the generated SQL if enabled via the hibernate.use_sql_comments configuration property
  17.     .setComment( "+ INDEX(p idx_person_name)" );
  18.     //end::hql-api-basic-usage-example[]
  19.   });
  20. }

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

  1. MyReferenceData queried = (MyReferenceData) s.createQuery( "from MyReferenceData" ).setCacheable( true ).list().get( 0 );
  2. s.getTransaction().commit();
  3. s.close();

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

  1. MyEnhancedReferenceData queried = (MyEnhancedReferenceData) s.createQuery( "from MyEnhancedReferenceData" ).setCacheable( true ).list().get( 0 );
  2. s.getTransaction().commit();
  3. s.close();

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

  1. .setCacheable( true )
  2.     .list();
  3. assertEquals( "incorrect result size", 2, results.size() );
  4. long initCacheHits = stats.getCacheHitCount();
  5. results = session.createQuery( "select new Animal(an.description, an.bodyWeight) from Animal an" )
  6.     .setCacheable( true )
  7.     .list();
  8. assertEquals( "dynamic intantiation query not served from cache", initCacheHits + 1, stats.getCacheHitCount() );

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

  1. protected void setQueryProperties(Query query) {
  2.   if ( maxResults != null ) {
  3.     query.setMaxResults( maxResults );
  4.   }
  5.   if ( firstResult != null ) {
  6.     query.setFirstResult( firstResult );
  7.   }
  8.   if ( cacheable != null ) {
  9.     query.setCacheable( cacheable );
  10.   }
  11.   if ( cacheRegion != null ) {
  12.     query.setCacheRegion( cacheRegion );
  13.   }
  14.   if ( comment != null ) {
  15.     query.setComment( comment );
  16.   }
  17.   if ( flushMode != null ) {
  18.     query.setFlushMode( flushMode );
  19.   }
  20.   if ( cacheMode != null ) {
  21.     query.setCacheMode( cacheMode );
  22.   }
  23.   if ( timeout != null ) {
  24.     query.setTimeout( timeout );
  25.   }
  26.   if ( lockOptions != null && lockOptions.getLockMode() != LockMode.NONE ) {
  27.     query.setLockMode( REFERENCED_ENTITY_ALIAS, lockOptions.getLockMode() );
  28.   }
  29. }

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

  1. .setCacheable( true )
  2.     .uniqueResult();
  3. assertTrue( child.getParent().getChildren().contains( child ) );
  4.     .setCacheable( true )
  5.     .uniqueResult();
  6. assertTrue( child.getParent().getChildren().contains( child ) );

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

  1. List list = s.createQuery( "from Animal a left join fetch a.offspring" ).setCacheable( true ).list();
  2. assertEquals( 0, sessionFactory().getStatistics().getQueryCacheHitCount() );
  3. assertEquals( 1, sessionFactory().getStatistics().getQueryCachePutCount() );
  4. list = s.createQuery( "select a from Animal a left join fetch a.offspring" ).setCacheable( true ).list();
  5. assertEquals( 1, sessionFactory().getStatistics().getQueryCacheHitCount() );
  6. assertEquals( 1, sessionFactory().getStatistics().getQueryCachePutCount() );
  7. list = s.createQuery( "select a, o from Animal a left join a.offspring o" ).setCacheable( true ).list();
  8. assertEquals( 1, sessionFactory().getStatistics().getQueryCacheHitCount() );
  9. assertEquals( 2, sessionFactory().getStatistics().getQueryCachePutCount() );

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

  1. List list = s.createQuery( "from Animal a left join fetch a.mother" ).setCacheable( true ).list();
  2. assertEquals( 0, sessionFactory().getStatistics().getQueryCacheHitCount() );
  3. assertEquals( 1, sessionFactory().getStatistics().getQueryCachePutCount() );
  4. list = s.createQuery( "select a from Animal a left join fetch a.mother" ).setCacheable( true ).list();
  5. assertEquals( 1, sessionFactory().getStatistics().getQueryCacheHitCount() );
  6. assertEquals( 1, sessionFactory().getStatistics().getQueryCachePutCount() );
  7. list = s.createQuery( "select a, m from Animal a left join a.mother m" ).setCacheable( true ).list();
  8. assertEquals( 1, sessionFactory().getStatistics().getQueryCacheHitCount() );
  9. assertEquals( 2, sessionFactory().getStatistics().getQueryCachePutCount() );

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

  1. "where p.name = :name")
  2. .setParameter( "name", "John Doe")
  3. .setCacheable(true)
  4. .list();
  5.   "where p.id > :id")
  6. .setParameter( "id", 0L)
  7. .setCacheable(true)
  8. .setCacheRegion( "query.cache.person" )
  9. .list();
  10.   "where p.id > :id")
  11. .setParameter( "id", 0L)
  12. .setCacheable(true)
  13. .setCacheRegion( "query.cache.person" )
  14. .setCacheMode( CacheMode.REFRESH )
  15. .setCacheable( true )
  16. .setCacheMode( CacheMode.REFRESH )
  17. .list();

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

  1. protected void initQueryFromNamedDefinition(Query query, NamedQueryDefinition nqd) {
  2.   // todo : cacheable and readonly should be Boolean rather than boolean...
  3.   query.setCacheable( nqd.isCacheable() );
  4.   query.setCacheRegion( nqd.getCacheRegion() );
  5.   query.setReadOnly( nqd.isReadOnly() );
  6.   if ( nqd.getTimeout() != null ) {
  7.     query.setTimeout( nqd.getTimeout() );
  8.   }
  9.   if ( nqd.getFetchSize() != null ) {
  10.     query.setFetchSize( nqd.getFetchSize() );
  11.   }
  12.   if ( nqd.getCacheMode() != null ) {
  13.     query.setCacheMode( nqd.getCacheMode() );
  14.   }
  15.   if ( nqd.getComment() != null ) {
  16.     query.setComment( nqd.getComment() );
  17.   }
  18.   if ( nqd.getFirstResult() != null ) {
  19.     query.setFirstResult( nqd.getFirstResult() );
  20.   }
  21.   if ( nqd.getMaxResults() != null ) {
  22.     query.setMaxResults( nqd.getMaxResults() );
  23.   }
  24.   if ( nqd.getFlushMode() != null ) {
  25.     query.setHibernateFlushMode( nqd.getFlushMode() );
  26.   }
  27. }

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

  1. queryString,
  2.     Object[].class
  3. ).setCacheable( true ).uniqueResult();
  4. assertEquals( 2, result.length );
  5. assertTrue( AnEntity.class.isInstance( result[0] ) );
  6.     queryString,
  7.     Object[].class
  8. ).setCacheable( true ).uniqueResult();
  9. assertEquals( 2, result.length );
  10. assertTrue( AnEntity.class.isInstance( result[0] ) );

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

  1. queryString,
  2.     AnEntity.class
  3. ).setCacheable( true ).uniqueResult();
  4. assertNull( anEntity );
  5.     queryString,
  6.     AnEntity.class
  7. ).setCacheable( true ).uniqueResult();
  8. assertNull( anEntity );

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

  1. queryString,
  2.     AnEntity.class
  3. ).setCacheable( true ).uniqueResult();
  4. assertNull( anEntity.otherEntity );
  5.     queryString,
  6.     AnEntity.class
  7. ).setCacheable( true ).uniqueResult();
  8. assertNull( anEntity.otherEntity );

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

  1. queryString,
  2.     AnEntity.class
  3. ).setCacheable( true ).uniqueResult();
  4. assertNull( anEntity.otherEntity );
  5.     queryString,
  6.     AnEntity.class
  7. ).setCacheable( true ).uniqueResult();
  8. assertNull( anEntity.otherEntity );

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