protected internal virtual void putInternal(CachedDbEntity entityToAdd)
{
Type type = entityToAdd.Entity.GetType();
Type cacheKey = cacheKeyMapping.getEntityCacheKey(type);
IDictionary <string, CachedDbEntity> map = cachedEntites[cacheKey];
if (map == null)
{
map = new Dictionary <string, CachedDbEntity>();
cachedEntites[cacheKey] = map;
}
// check whether this object is already present in the cache
CachedDbEntity existingCachedEntity = map[entityToAdd.Entity.Id];
if (existingCachedEntity == null)
{
// no such entity exists -> put it into the cache
map[entityToAdd.Entity.Id] = entityToAdd;
}
else
{
// the same entity is already cached
switch (entityToAdd.EntityState)
{
case TRANSIENT:
// cannot put TRANSIENT entity if entity with same id already exists in cache.
if (existingCachedEntity.EntityState == TRANSIENT)
{
throw LOG.entityCacheDuplicateEntryException("TRANSIENT", entityToAdd.Entity.Id, entityToAdd.Entity.GetType(), existingCachedEntity.EntityState);
}
else
{
throw LOG.alreadyMarkedEntityInEntityCacheException(entityToAdd.Entity.Id, entityToAdd.Entity.GetType(), existingCachedEntity.EntityState);
}
case PERSISTENT:
if (existingCachedEntity.EntityState == PERSISTENT)
{
// use new entity state, replacing the existing one.
map[entityToAdd.Entity.Id] = entityToAdd;
break;
}
if (existingCachedEntity.EntityState == DELETED_PERSISTENT || existingCachedEntity.EntityState == DELETED_MERGED)
{
// ignore put -> this is already marked to be deleted
break;
}
// otherwise fail:
throw LOG.entityCacheDuplicateEntryException("PERSISTENT", entityToAdd.Entity.Id, entityToAdd.Entity.GetType(), existingCachedEntity.EntityState);
case MERGED:
if (existingCachedEntity.EntityState == PERSISTENT || existingCachedEntity.EntityState == MERGED)
{
// use new entity state, replacing the existing one.
map[entityToAdd.Entity.Id] = entityToAdd;
break;
}
if (existingCachedEntity.EntityState == DELETED_PERSISTENT || existingCachedEntity.EntityState == DELETED_MERGED)
{
// ignore put -> this is already marked to be deleted
break;
}
// otherwise fail:
throw LOG.entityCacheDuplicateEntryException("MERGED", entityToAdd.Entity.Id, entityToAdd.Entity.GetType(), existingCachedEntity.EntityState);
default:
// deletes are always added
map[entityToAdd.Entity.Id] = entityToAdd;
break;
}
}
}
