本文整理汇总了Java中org.hibernate.event.spi.EventSource.generateCacheKey方法的典型用法代码示例。如果您正苦于以下问题:Java EventSource.generateCacheKey方法的具体用法?Java EventSource.generateCacheKey怎么用?Java EventSource.generateCacheKey使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.hibernate.event.spi.EventSource
的用法示例。
在下文中一共展示了EventSource.generateCacheKey方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: evict
import org.hibernate.event.spi.EventSource; //导入方法依赖的package包/类
private void evict(Serializable id, CollectionPersister collectionPersister, EventSource session) {
LOG.debug( "Evict CollectionRegion " + collectionPersister.getRole() + " for id " + id );
CacheKey key = session.generateCacheKey( id, collectionPersister.getKeyType(), collectionPersister.getRole() );
collectionPersister.getCacheAccessStrategy().evict( key );
}
示例2: upgradeLock
import org.hibernate.event.spi.EventSource; //导入方法依赖的package包/类
/**
* Performs a pessimistic lock upgrade on a given entity, if needed.
*
* @param object The entity for which to upgrade the lock.
* @param entry The entity's EntityEntry instance.
* @param lockOptions contains the requested lock mode.
* @param source The session which is the source of the event being processed.
*/
protected void upgradeLock(Object object, EntityEntry entry, LockOptions lockOptions, EventSource source) {
LockMode requestedLockMode = lockOptions.getLockMode();
if ( requestedLockMode.greaterThan( entry.getLockMode() ) ) {
// The user requested a "greater" (i.e. more restrictive) form of
// pessimistic lock
if ( entry.getStatus() != Status.MANAGED ) {
throw new ObjectDeletedException(
"attempted to lock a deleted instance",
entry.getId(),
entry.getPersister().getEntityName()
);
}
final EntityPersister persister = entry.getPersister();
if ( log.isTraceEnabled() ) {
log.tracev(
"Locking {0} in mode: {1}",
MessageHelper.infoString( persister, entry.getId(), source.getFactory() ),
requestedLockMode
);
}
final SoftLock lock;
final CacheKey ck;
if ( persister.hasCache() ) {
ck = source.generateCacheKey( entry.getId(), persister.getIdentifierType(), persister.getRootEntityName() );
lock = persister.getCacheAccessStrategy().lockItem( ck, entry.getVersion() );
}
else {
ck = null;
lock = null;
}
try {
if ( persister.isVersioned() && requestedLockMode == LockMode.FORCE ) {
// todo : should we check the current isolation mode explicitly?
Object nextVersion = persister.forceVersionIncrement(
entry.getId(), entry.getVersion(), source
);
entry.forceLocked( object, nextVersion );
}
else {
persister.lock( entry.getId(), entry.getVersion(), object, lockOptions, source );
}
entry.setLockMode(requestedLockMode);
}
finally {
// the database now holds a lock + the object is flushed from the cache,
// so release the soft lock
if ( persister.hasCache() ) {
persister.getCacheAccessStrategy().unlockItem( ck, lock );
}
}
}
}