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51 lines
2.2 KiB
Python
51 lines
2.2 KiB
Python
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from SpiffWorkflow.bpmn.parser.event_parsers import EventDefinitionParser
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from SpiffWorkflow.bpmn.parser.event_parsers import StartEventParser, EndEventParser, \
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IntermediateCatchEventParser, IntermediateThrowEventParser, BoundaryEventParser
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from SpiffWorkflow.camunda.specs.events.event_definitions import MessageEventDefinition
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from SpiffWorkflow.bpmn.parser.util import one
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CAMUNDA_MODEL_NS = 'http://camunda.org/schema/1.0/bpmn'
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class CamundaEventDefinitionParser(EventDefinitionParser):
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def parse_message_event(self, message_event):
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"""Parse a Camunda message event node."""
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message_ref = message_event.get('messageRef')
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if message_ref:
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message = one(self.doc_xpath('.//bpmn:message[@id="%s"]' % message_ref))
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name = message.get('name')
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correlations = self.get_message_correlations(message_ref)
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else:
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name = message_event.getparent().get('name')
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correlations = {}
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payload = message_event.attrib.get('{' + CAMUNDA_MODEL_NS + '}expression')
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result_var = message_event.attrib.get('{' + CAMUNDA_MODEL_NS + '}resultVariable')
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return MessageEventDefinition(name, correlations, payload, result_var)
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# This really sucks, but it's still better than copy-pasting a bunch of code a million times
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# The parser "design" makes it impossible to do anything sensible of intuitive here
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class CamundaStartEventParser(CamundaEventDefinitionParser, StartEventParser):
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def create_task(self):
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return StartEventParser.create_task(self)
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class CamundaEndEventParser(CamundaEventDefinitionParser, EndEventParser):
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def create_task(self):
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return EndEventParser.create_task(self)
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class CamundaIntermediateCatchEventParser(CamundaEventDefinitionParser, IntermediateCatchEventParser):
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def create_task(self):
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return IntermediateCatchEventParser.create_task(self)
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class CamundaIntermediateThrowEventParser(CamundaEventDefinitionParser, IntermediateThrowEventParser):
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def create_task(self):
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return IntermediateThrowEventParser.create_task(self)
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class CamundaBoundaryEventParser(CamundaEventDefinitionParser, BoundaryEventParser):
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def create_task(self):
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return BoundaryEventParser.create_task(self)
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