55 lines
1.5 KiB
Python
Executable File
55 lines
1.5 KiB
Python
Executable File
#
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# Copyright (c) 2015-2016 Wind River Systems, Inc.
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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from nfv_common import debug
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from nfv_common import state_machine
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from nfv_vim.instance_fsm._instance_defs import INSTANCE_EVENT
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DLOG = debug.debug_get_logger('nfv_vim.state_machine.instance')
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class InitialState(state_machine.State):
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"""
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Instance - Initial State
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"""
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def __init__(self, name, task_start_state_name):
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super(InitialState, self).__init__(name)
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self._task_start_state_name = task_start_state_name
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def enter(self, instance):
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"""
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Entering initial state
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"""
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DLOG.info("Entering state (%s) for %s." % (self.name, instance.name))
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if instance.action_fsm is not None:
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action_data = instance.action_fsm_data
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if action_data is not None:
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action_data.set_action_completed()
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def exit(self, instance):
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"""
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Exiting initial state
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"""
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DLOG.info("Exiting state (%s) for %s." % (self.name, instance.name))
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def transition(self, instance, event, event_data, to_state):
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"""
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Transition from the initial state
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"""
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pass
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def handle_event(self, instance, event, event_data=None):
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"""
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Handle event while in the initial state
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"""
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if INSTANCE_EVENT.TASK_START == event:
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return self._task_start_state_name
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else:
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DLOG.verbose("Ignoring %s event for %s." % (event, instance.name))
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return self.name
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