protected internal virtual void PutInternal(CachedDbEntity entityToAdd)
{
var type = entityToAdd.Entity.GetType();
var cacheKey = CacheKeyMapping.GetEntityCacheKey(type);
IDictionary <string, CachedDbEntity> map = CachedEntites.ContainsKey(cacheKey) ? CachedEntites[cacheKey] : null;
if (map == null)
{
map = new Dictionary <string, CachedDbEntity>();
CachedEntites[cacheKey] = map;
}
if (entityToAdd.Entity.Id == null)
{
entityToAdd.Entity.Id = context.Impl.Context.CommandContext.Scope.Resolve <IDGenerator>().NextId;
}
// check whether this object is already present in the cache
var existingCachedEntity = map.ContainsKey(entityToAdd.Entity.Id) ? map[entityToAdd.Entity.Id] : null;
if (existingCachedEntity == null)
{
map[entityToAdd.Entity.Id] = entityToAdd;
}
else
{
switch (entityToAdd.EntityState)
{
case DbEntityState.Transient:
// cannot put TRANSIENT entity if entity with same id already exists in cache.
if (existingCachedEntity.EntityState == DbEntityState.Transient)
{
throw Log.EntityCacheDuplicateEntryException("TRANSIENT", entityToAdd.Entity.Id,
entityToAdd.Entity.GetType(), existingCachedEntity.EntityState);
}
throw Log.AlreadyMarkedEntityInEntityCacheException(entityToAdd.Entity.Id,
entityToAdd.Entity.GetType(), existingCachedEntity.EntityState);
case DbEntityState.Persistent:
if (existingCachedEntity.EntityState == DbEntityState.Persistent)
{
// use new entity state, replacing the existing one.
map[entityToAdd.Entity.Id] = entityToAdd;
break;
}
if ((existingCachedEntity.EntityState == DbEntityState.DeletedPersistent) ||
(existingCachedEntity.EntityState == DbEntityState.DeletedMerged))
{
break;
}
// otherwise fail:
throw Log.EntityCacheDuplicateEntryException("PERSISTENT", entityToAdd.Entity.Id,
entityToAdd.Entity.GetType(), existingCachedEntity.EntityState);
case DbEntityState.Merged:
if ((existingCachedEntity.EntityState == DbEntityState.Persistent) ||
(existingCachedEntity.EntityState == DbEntityState.Merged))
{
// use new entity state, replacing the existing one.
map[entityToAdd.Entity.Id] = entityToAdd;
break;
}
if ((existingCachedEntity.EntityState == DbEntityState.DeletedPersistent) ||
(existingCachedEntity.EntityState == DbEntityState.DeletedMerged))
{
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;
}
}
}