Examples of org.hibernate.cache.QueryCache

org.hibernate.cache.QueryCache
Defines the contract for caches capable of storing query results. These caches should only concern themselves with storing the matching result ids. The transactional semantics are necessarily less strict than the semantics of an item cache. @author Gavin King


    public void evictQueryRegion(String regionName) {
            if (regionName == null) throw new NullPointerException(
                                                                   "Region-name cannot be null (use Cache#evictDefaultQueryRegion to evict the default query cache)");
            if (settings.isQueryCacheEnabled()) {
                QueryCache namedQueryCache = queryCaches.get(regionName);
                // TODO : cleanup entries in queryCaches + allCacheRegions ?
                if (namedQueryCache != null) namedQueryCache.clear();
      }
    }

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      final SessionImplementor session, 
      final QueryParameters queryParameters, 
      final Set querySpaces, 
      final Type[] resultTypes) {
  
    QueryCache queryCache = factory.getQueryCache( queryParameters.getCacheRegion() );
    
    Set filterKeys = FilterKey.createFilterKeys( 
        session.getLoadQueryInfluencers().getEnabledFilters(),
        session.getEntityMode() 
    );

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      final SessionImplementor session, 
      final QueryParameters queryParameters, 
      final Set querySpaces, 
      final Type[] resultTypes) {
  
    QueryCache queryCache = factory.getQueryCache( queryParameters.getCacheRegion() );
    
    Set filterKeys = FilterKey.createFilterKeys( 
        session.getLoadQueryInfluencers().getEnabledFilters(),
        session.getEntityMode() 
    );

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        );
      }
      else {
        synchronized ( allCacheRegions ) {
          if ( settings.isQueryCacheEnabled() ) {
            QueryCache namedQueryCache = ( QueryCache ) queryCaches.get( regionName );
            if ( namedQueryCache != null ) {
              namedQueryCache.clear();
              // TODO : cleanup entries in queryCaches + allCacheRegions ?
            }
          }
        }
      }

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    public void evictQueryRegions() {
      synchronized ( allCacheRegions ) {
        Iterator regions = queryCaches.values().iterator();
        while ( regions.hasNext() ) {
          QueryCache cache = ( QueryCache ) regions.next();
          cache.clear();
          // TODO : cleanup entries in queryCaches + allCacheRegions ?
        }
      }
    }

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    if ( settings.isQueryCacheEnabled() )  {
      queryCache.destroy();


      iter = queryCaches.values().iterator();
      while ( iter.hasNext() ) {
        QueryCache cache = (QueryCache) iter.next();
        cache.destroy();
      }
      updateTimestampsCache.destroy();
    }


    settings.getRegionFactory().stop();

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    if ( !settings.isQueryCacheEnabled() ) {
      return null;
    }


    synchronized ( allCacheRegions ) {
      QueryCache currentQueryCache = ( QueryCache ) queryCaches.get( regionName );
      if ( currentQueryCache == null ) {
        currentQueryCache = settings.getQueryCacheFactory().getQueryCache( regionName, updateTimestampsCache, settings, properties );
        queryCaches.put( regionName, currentQueryCache );
        allCacheRegions.put( currentQueryCache.getRegion().getName(), currentQueryCache.getRegion() );
      }
      return currentQueryCache;
    }
  }

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      final SessionImplementor session, 
      final QueryParameters queryParameters, 
      final Set querySpaces, 
      final Type[] resultTypes) {
  
    QueryCache queryCache = factory.getQueryCache( queryParameters.getCacheRegion() );
    
    Set filterKeys = FilterKey.createFilterKeys( 
        session.getEnabledFilters(), 
        session.getEntityMode() 
      );

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    if ( settings.isQueryCacheEnabled() )  {
      queryCache.destroy();


      iter = queryCaches.values().iterator();
      while ( iter.hasNext() ) {
        QueryCache cache = (QueryCache) iter.next();
        cache.destroy();
      }
      updateTimestampsCache.destroy();
    }


    settings.getCacheProvider().stop();

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    if ( !settings.isQueryCacheEnabled() ) {
      return null;
    }


    synchronized (allCacheRegions) {
      QueryCache currentQueryCache = (QueryCache) queryCaches.get(cacheRegion);
      if (currentQueryCache==null) {
        currentQueryCache = settings.getQueryCacheFactory()
          .getQueryCache(cacheRegion, updateTimestampsCache, settings, properties);
        queryCaches.put(cacheRegion, currentQueryCache);
        allCacheRegions.put( currentQueryCache.getRegionName(), currentQueryCache.getCache() );
      }
      return currentQueryCache;
    }
  }

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Related Classes of org.hibernate.cache.QueryCache

org.hibernate.impl.SessionFactoryImpl

org.hibernate.impl.SessionFactoryImpl$CacheImpl

org.hibernate.loader.Loader

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