def load_material(vessel, mass, **kwargs):
"""
A wrapper for simpy.Container.put that checks VesselStorageContainer
constraints and triggers self.put() if successful.
Items put into the instance should be a dictionary with the following
attributes:
- name
- mass (t)
- length (km)
Parameters
----------
item : dict
Dictionary of item properties.
"""
if vessel.rock_storage.level + mass > vessel.rock_storage.max_mass:
raise CargoMassExceeded(
vessel.rock_storage.max_mass,
vessel.rock_storage.level,
"Scour Protection",
)
key = "load_rocks_time"
load_time = kwargs.get(key, pt[key])
vessel.rock_storage.put(mass)
yield vessel.task(
"Load SP Material",
load_time,
constraints=vessel.transit_limits,
**kwargs,
)
def put_item(self, item):
"""
Checks VesselStorage specific constraints and triggers self.put()
if successful.
Items put into the instance should be a dictionary with the following
attributes:
- name
- mass (t)
- deck_space (m2)
Parameters
----------
item : dict
Dictionary of item properties.
"""
# if any(x not in item.keys() for x in self.required_keys):
# raise ItemPropertyNotDefined(item, self.required_keys)
if self.current_deck_space + item.deck_space > self.max_deck_space:
raise DeckSpaceExceeded(self.max_deck_space,
self.current_deck_space, item)
if self.current_cargo_mass + item.mass > self.max_cargo_mass:
raise CargoMassExceeded(self.max_cargo_mass,
self.current_cargo_mass, item)
self.put(item)