public ItemStore(IStorageLocator storageLocator)
{
_table = storageLocator.GetTable(TABLE_NAME);
_rawBlob = storageLocator.GetBlob(RAW_BLOB_NAME);
_finishedBlob = storageLocator.GetBlob(FINISHED_BLOB_NAME);
_queue = storageLocator.GetQueue(QUEUE_NAME);
}