def _get_interface_from_field(self, field_name: str,
processor: Processor) -> Factor:
interface_name = self._fields[field_name]
if interface_name is None:
raise CommandExecutionError(
f"No interface has been defined for field '{field_name}'.")
interface = processor.factors_find(interface_name)
if not interface:
raise CommandExecutionError(
f"The interface '{interface_name}' has not been found in "
f"processor '{processor.name}'.")
return interface
def prepare_model(state) -> NoReturn:
"""
Modify the state so that:
* Implicit references of Interfaces to subcontexts are materialized
* Creating processors
* Creating interfaces in these processors
* Creating relationships in these processors
:param state:
"""
# TODO: currently when an interface is defined as a Scale from two or more interfaces, the computed values are
# added while the intuition tells us that only one scale should be defined. We have to give a warning message
# if this situation happens.
# Registry and the other objects also
glb_idx, _, _, _, _ = get_case_study_registry_objects(state)
# Prepare a Query to obtain ALL interfaces
query = BasicQuery(state)
filt = {}
objs = query.execute([Factor], filt)
for iface in objs[Factor]: # type: Factor
if strcmp(
iface.processor.instance_or_archetype, 'Archetype') or strcmp(
iface.processor.instance_or_archetype, 'No'):
continue
# If the Interface is connected to a "Subcontext" different than the owning Processor
if iface.opposite_processor_type:
if iface.opposite_processor_type.lower(
) != iface.processor.subsystem_type.lower():
# Check if the interface has flow relationships
# TODO An alternative is to search "observations" of type FactorsRelationDirectedFlowObservation
# in the same "iface"
if iface.orientation.lower() == "input":
parameter = {"target": iface}
else:
parameter = {"source": iface}
relations = glb_idx.get(
FactorsRelationDirectedFlowObservation.partial_key(
**parameter))
# If it does not have flow relationships:
# * define default Processor name and retrieve it (or if it does not exist, create it)
# * create an Interface into that Processor and a Flow Relationship
if len(relations) == 0:
# Define the name of a Processor in the same context but in different subcontext
p_name = iface.processor.processor_system + "_" + iface.opposite_processor_type
p = glb_idx.get(Processor.partial_key(p_name))
if len(p) == 0:
attributes = {
'subsystem_type': iface.opposite_processor_type,
'processor_system':
iface.processor.processor_system,
'functional_or_structural': 'Functional',
'instance_or_archetype': 'Instance'
# 'stock': None
}
p = Processor(p_name, attributes=attributes)
glb_idx.put(p.key(), p)
else:
p = p[0]
attributes = {
'sphere':
'Technosphere'
if iface.opposite_processor_type.lower()
in ["local", "external"] else 'Biosphere',
'roegen_type':
iface.roegen_type,
'orientation':
"Input"
if iface.orientation.lower() == "output" else "Output",
'opposite_processor_type':
iface.processor.subsystem_type
}
# Create Interface (if it does not exist)
if not p.factors_find(iface.taxon.name):
f = Factor.create_and_append(
name=iface.taxon.name,
processor=p,
in_processor_type=FactorInProcessorType(
external=False,
incoming=iface.orientation.lower() ==
"output"),
attributes=attributes,
taxon=iface.taxon)
glb_idx.put(f.key(), f)
# Create Flow Relationship
if iface.orientation.lower() == "output":
source = iface
target = f
else:
source = f
target = iface
fr = FactorsRelationDirectedFlowObservation.create_and_append(
source=source, target=target, observer=None)
glb_idx.put(fr.key(), fr)