Hibernate example source code file (ReadOnlyAccess.java)

This example Hibernate source code file (ReadOnlyAccess.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Hibernate tags/keywords

cacheexception, cacheexception, illegal, illegal, log, object, object, override, readonlyaccess, softlock, softlock, transactionalaccess, unsupportedoperationexception

The Hibernate ReadOnlyAccess.java source code

package org.hibernate.cache.infinispan.entity;
import org.hibernate.cache.CacheException;
import org.hibernate.cache.spi.access.SoftLock;
import org.infinispan.util.logging.Log;
import org.infinispan.util.logging.LogFactory;

/**
 * A specialization of {@link TransactionalAccess} that ensures we never update data. Infinispan
 * access is always transactional.
 * 
 * @author Chris Bredesen
 * @author Galder Zamarreño
 * @since 3.5
 */
class ReadOnlyAccess extends TransactionalAccess {
   private static final Log log = LogFactory.getLog(ReadOnlyAccess.class);

   ReadOnlyAccess(EntityRegionImpl region) {
      super(region);
   }

   public SoftLock lockItem(Object key, Object version) throws CacheException {
      throw new UnsupportedOperationException("Illegal attempt to edit read only item");
   }

   public SoftLock lockRegion() throws CacheException {
      throw new UnsupportedOperationException("Illegal attempt to edit read only item");
   }

   public void unlockItem(Object key, SoftLock lock) throws CacheException {
      log.error("Illegal attempt to edit read only item");
   }

   public void unlockRegion(SoftLock lock) throws CacheException {
      log.error("Illegal attempt to edit read only item");
   }

   @Override
   public boolean update(Object key, Object value, Object currentVersion, Object previousVersion) throws CacheException {
      throw new UnsupportedOperationException("Illegal attempt to edit read only item");
   }

   @Override
   public boolean afterUpdate(Object key, Object value, Object currentVersion, Object previousVersion, SoftLock lock)
            throws CacheException {
      throw new UnsupportedOperationException("Illegal attempt to edit read only item");
   }
}