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Restart FmuModel on failure #39

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Restart FmuModel on failure #39

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16 changes: 12 additions & 4 deletions agentlib/models/fmu_model.py
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Original file line number Diff line number Diff line change
Expand Up @@ -40,6 +40,7 @@ class FmuModelConfig(ModelConfig):
tolerance: float = 0.001
extract_fmu: bool = False
log_fmu: bool = True
restart_on_failure: bool = False
only_config_variables: bool = pydantic.Field(
default=True,
description="If True, only the variables passed to this model by a simulator "
Expand Down Expand Up @@ -110,10 +111,17 @@ def do_step(self, *, t_start, t_sample=None):
communicationStepSize=t_samples[_idx + 1] - _t_sample,
)
except FMICallException as e:
# Raise a different error, as simpy does not work well with FMI Errors
raise RuntimeError(
"The fmu had an internal error. Please check the logs to analyze it."
) from e
if self.config.restart_on_failure:
logger.warning("The FMU had an internal error and restarts: %s", e)
self.system.reset()
self.system.setupExperiment(startTime=t_start+t_sample)
self.system.enterInitializationMode()
self.system.exitInitializationMode()
else:
# Raise a different error, as simpy does not work well with FMI Errors
raise RuntimeError(
"The FMU had an internal error. Please check the logs to analyze it."
) from e
# Read current values from system
self.__read_values()
return True
Expand Down