'-------------------------------------------------------------------------------
' Copyright (c) 2023, Arm Limited and Contributors. All rights reserved.
'
' SPDX-License-Identifier: BSD-3-Clause
'
'-------------------------------------------------------------------------------

@startuml

class fw_directory
class fw_inspector
class img_dir_serializer
class stream_manager
class update_agent
class fw_store
class installer

class update_agent {
	+begin_staging()
	+end_staging()
	+cancel_staging()
	+accept()
	+select_previous()
  	+open()
	+commit()
	+read_stream()
	+write_stream()
}

class fw_directory {
	+set_boot_info()
	+add_image_info()
	+find_image_info()
	+get_image_info()
	+num_images()
}

class fw_inspector {
	+inspect
}

class img_dir_serializer {
	+serialize()
	+get_len()
}

class stream_manager {
	+open_buffer_stream()
	+open_install_stream()
	+close_stream()
	+cancel_streams()
	+is_open_streams()
	+read()
	+write()
}

class fw_store {
	+synchronize()
	+begin_install()
	+cancel_install()
	+finalize_install()
	+select_installer()
	+write_image()
	+commit_image()
	+notify_accepted()
	+is_accepted()
	+is_trial()
	+commit_to_update()
	+revert_to_previous()
	+export()
}

class installer {
	+begin()
	+finalize()
	+abort()
	+open()
	+commit()
	+write()
	+enumerate()
}

class installer_index {
	+register()
	+find()
	+get()
	+get_location_ids()
}

update_agent -> fw_store
update_agent -> fw_directory
update_agent -> fw_inspector
update_agent -> stream_manager
update_agent -> img_dir_serializer
img_dir_serializer ..> fw_directory
fw_inspector -> installer_index
fw_inspector ..> installer
stream_manager ..> installer

@enduml