interface BatchStorageInterface

interface BatchStorageInterface {
    
    /**
     * Loads a batch.
     *
     * @param int $id
     *   The ID of the batch to load.
     *
     * @return array
     *   An array representing the batch, or FALSE if no batch was found.
     */
    public function load($id);
    
    /**
     * Creates and saves a batch.
     *
     * @param array $batch
     *   The array representing the batch to create.
     */
    public function create(array $batch);
    
    /**
     * Updates a batch.
     *
     * @param array $batch
     *   The array representing the batch to update.
     */
    public function update(array $batch);
    
    /**
     * Deletes a batch.
     *
     * @param int $id
     *   The ID of the batch to delete.
     */
    public function delete($id);
    
    /**
     * Cleans up failed or old batches.
     */
    public function cleanup();

}