muMLE/framework/manager.py
2021-08-27 09:46:44 +02:00

140 lines
6 KiB
Python

from state.base import State
from bootstrap.scd import bootstrap_scd
from services import implemented as services
from framework.conformance import Conformance
from uuid import UUID
class Manager:
def __init__(self, state: State):
self.current_model = None
self.current_context = None
self.state = state
bootstrap_scd(state)
scd_node = self.state.read_dict(self.state.read_root(), "SCD")
for key_node in self.state.read_dict_keys(self.state.read_root()):
model_node = self.state.read_dict_node(self.state.read_root(), key_node)
self.state.create_edge(model_node, scd_node)
def get_models(self):
for key_node in self.state.read_dict_keys(self.state.read_root()):
yield self.state.read_value(key_node)
def instantiate_model(self, type_model_name: str, name: str):
root = self.state.read_root()
type_model_node = self.state.read_dict(root, type_model_name)
if type_model_node is None:
raise RuntimeError(f"No type model with name {type_model_name} found.")
else:
# check if model is a linguistic type model
scd_node = self.state.read_dict(self.state.read_root(), "SCD")
incoming = self.state.read_incoming(scd_node)
incoming = [self.state.read_edge(e)[0] for e in incoming]
if type_model_node not in incoming:
raise RuntimeError(f"Model with name {type_model_name} is not a type model.")
if name in map(self.state.read_value, self.state.read_dict_keys(root)):
raise RuntimeError(f"Model with name {name} already exists.")
new_model_root = self.state.create_node()
new_model_node = self.state.create_nodevalue(str(new_model_root))
self.state.create_dict(root, name, new_model_node)
self.state.create_edge(new_model_node, type_model_node)
self.current_model = (name, new_model_root)
if type_model_name not in services:
raise RuntimeError(f"Services for type {type_model_name} not implemented.")
self.current_context = services[type_model_name](self.current_model[1], self.state)
def select_model(self, name: str):
root = self.state.read_root()
model_node = self.state.read_dict(root, name)
if model_node is None:
raise RuntimeError(f"No model with name {name} found.")
model_root = UUID(self.state.read_value(model_node))
self.current_model = (name, model_root)
def close_model(self):
self.current_model = None
self.current_context = None
def get_types(self):
root = self.state.read_root()
if self.current_model is None:
raise RuntimeError(f"No model currently selected.")
name, model = self.current_model
model_id = self.state.read_dict(root, name)
outgoing = self.state.read_outgoing(model_id)
outgoing = [e for e in outgoing if len(self.state.read_outgoing(e)) == 0]
elements = [self.state.read_edge(e)[1] for e in outgoing]
for e in elements:
incoming = self.state.read_incoming(e)
label_edge, = [e for e in incoming if len(self.state.read_outgoing(e)) == 1]
label_edge, = self.state.read_outgoing(label_edge)
_, label_node = self.state.read_edge(label_edge)
yield self.state.read_value(label_node)
def select_context(self, name: str):
if name not in self.get_types():
raise RuntimeError(f"No type {name} that currently selected model conforms to.")
if name not in services:
raise RuntimeError(f"Services for type {name} not implemented.")
self.current_context = services[name](self.current_model[1], self.state)
self.current_context.from_bottom()
def close_context(self):
self.current_context.to_bottom()
self.current_context = None
def get_services(self):
if self.current_model is None:
raise RuntimeError(f"No model currently selected.")
if self.current_context is None:
raise RuntimeError(f"No context currently selected.")
yield from [
getattr(self.current_context, func)
for func in dir(self.current_context)
if callable(getattr(self.current_context, func))
and not func.startswith("__")
and not func == "from_bottom"
and not func == "to_bottom"
]
def check_conformance(self, type_model_name: str, model_name: str):
root = self.state.read_root()
type_model_node = self.state.read_dict(root, type_model_name)
if type_model_node is None:
raise RuntimeError(f"No type model with name {type_model_name} found.")
model_node = self.state.read_dict(root, model_name)
if model_node is None:
raise RuntimeError(f"No model with name {model_node} found.")
types = self.state.read_outgoing(model_node)
types = [self.state.read_edge(e)[1] for e in types]
if type_model_node not in types:
conf = Conformance(self.state,
UUID(self.state.read_value(model_node)),
UUID(self.state.read_value(type_model_node))).check_structural(log=True)
if conf:
self.state.create_edge(model_node, type_model_node)
return conf
else:
return Conformance(self.state,
UUID(self.state.read_value(model_node)),
UUID(self.state.read_value(type_model_node))).check_nominal(log=True)
def dump_state(self):
import pickle
with open("state.p", "wb") as file:
pickle.dump(self.state, file)
def load_state(self):
import pickle
with open("state.p", "rb") as file:
self.state = pickle.load(file)
if __name__ == '__main__':
from state.devstate import DevState
s = DevState()
m = Manager(s)
m.select_model("SCD")
m.select_context("SCD")
for f in m.get_services():
print(f)