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f14b4acb86
73886584b Merge pull request #315 from sartography/feature/new-task-states a04fdd311 Merge remote-tracking branch 'origin/main' into feature/new-task-states 3d376bf9a documentation and comment updates 7e368ee4b copy edit e7b9fe91c typo eceef15a7 Called elements (#316) 5a0fd2774 add serialization migration 7211e67ee Merge pull request #314 from sartography/bugfix/data-object-references 403acc1f5 use same data objects & references in subprocesses after deserialization c54091dee add two more states to spiff fa04a14a7 clean up script engine a little bit 162a1c5f5 override create parser in spiff package to allow duplicate process names 98a1b37e0 Merge pull request #312 from sartography/bugfix/run-boundary-events-from-engine-steps 067d6a723 do not execute boundary events in catch 1c877dd76 send external events to top level workflow git-subtree-dir: SpiffWorkflow git-subtree-split: 73886584b17c7d11a9713d0c4526ed41e411fc45
47 lines
1.7 KiB
Python
47 lines
1.7 KiB
Python
import json
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from copy import deepcopy
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from SpiffWorkflow.bpmn.specs.ServiceTask import ServiceTask
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from SpiffWorkflow.exceptions import WorkflowTaskException
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from SpiffWorkflow.spiff.specs.spiff_task import SpiffBpmnTask
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class ServiceTask(SpiffBpmnTask, ServiceTask):
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def __init__(self, wf_spec, name, operation_name, operation_params, result_variable, **kwargs):
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SpiffBpmnTask.__init__(self, wf_spec, name, **kwargs)
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self.operation_name = operation_name
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self.operation_params = operation_params
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self.result_variable = result_variable
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@property
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def spec_type(self):
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return 'Service Task'
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def _result_variable(self, task):
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if self.result_variable is not None and len(self.result_variable) > 0:
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return self.result_variable
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escaped_spec_name = task.task_spec.name.replace('-', '_')
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return f'spiff__{escaped_spec_name}_result'
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def _execute(self, task):
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def evaluate(param):
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param['value'] = task.workflow.script_engine.evaluate(task, param['value'])
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return param
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operation_params_copy = deepcopy(self.operation_params)
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evaluated_params = {k: evaluate(v) for k, v in operation_params_copy.items()}
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try:
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result = task.workflow.script_engine.call_service(self.operation_name,
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evaluated_params, task.data)
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except Exception as e:
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wte = WorkflowTaskException("Error executing Service Task",
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task=task, exception=e)
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wte.add_note(str(e))
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raise wte
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parsed_result = json.loads(result)
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task.data[self._result_variable(task)] = parsed_result
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return True
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