def __init__(self):
super().__init__("Cost", "cost",
urlparse("http://www.xes-standard.org/cost.xesext"))
factory = XFactoryRegistry().current_default()
self.ATTR_TOTAL = factory.create_attribute_continuous(
"cost:total", 0.0, self)
self.ATTR_CURRENCY = factory.create_attribute_literal(
"cost:currency", "UNKNOWN", self)
self.ATTR_AMOUNT = factory.create_attribute_continuous(
"cost:amount", 0.0, self)
self.ATTR_DRIVER = factory.create_attribute_literal(
"cost:driver", "UNKNOWN", self)
self.ATTR_TYPE = factory.create_attribute_literal(
"cost:type", "UNKNOWN", self)
self.get_trace_attributes().add(self.ATTR_TOTAL.clone())
self.get_trace_attributes().add(self.ATTR_CURRENCY.clone())
self.get_event_attributes().add(self.ATTR_TOTAL.clone())
self.get_event_attributes().add(self.ATTR_CURRENCY.clone())
self.get_event_attributes().add(self.ATTR_AMOUNT.clone())
self.get_event_attributes().add(self.ATTR_DRIVER.clone())
self.get_event_attributes().add(self.ATTR_TYPE.clone())
XGlobalAttributeNameMap().register_mapping("EN", "cost:total",
"Total Cost")
XGlobalAttributeNameMap().register_mapping("EN", "cost:currency",
"Currency of Cost")
XGlobalAttributeNameMap().register_mapping("EN", "cost:amount",
"Cost Amount")
XGlobalAttributeNameMap().register_mapping("EN", "cost:driver",
"Cost Driver")
XGlobalAttributeNameMap().register_mapping("EN", "cost:type",
"Cost Type")
class XExtensionHandler(ContentHandler):
"""SAX handler class for extension definition files.
"""
def __init__(self):
super().__init__()
self.__extension = None
self.__currentAttribute = None
self.__xAttributes = None
self.__factory = XFactoryRegistry().current_default()
self.reset()
def reset(self):
"""Resets the handler to initial state.
"""
self.__extension = None
self.__currentAttribute = None
self.__xAttributes = None
self.__factory = XFactoryRegistry().current_default()
def get_extension(self):
"""Retrieves the parsed extension after parsing.
:return: The parsed extension.
:rtype: XExtension
"""
return self.__extension
def startElement(self, name, attributes):
""" Overrides startElement in class ContentHandler
:param name: Contains the raw XML 1.0 name of the element type
:type name: str
:param attributes: An instance of the Attributes class containing
the attributes of the element
:type attributes: xml.sax.xmlreader.AttributesImpl
"""
tag_name = name
if tag_name.lower() == "xesextension":
mapping = attributes.getValue("name")
name = attributes.getValue("prefix")
x_uri = parse.urlparse(attributes.getValue("uri"))
try:
request.urlopen(attributes.getValue("uri"))
except error.URLError:
return
self.__extension = XExtension(mapping, name, x_uri)
elif tag_name.lower() == "log":
self.__xAttributes = self.__extension.get_log_attributes()
elif tag_name.lower() == "trace":
self.__xAttributes = self.__extension.get_trace_attributes()
elif tag_name.lower() == "event":
self.__xAttributes = self.__extension.get_event_attributes()
elif tag_name.lower() == "meta":
self.__xAttributes = self.__extension.get_meta_attributes()
elif tag_name.lower() == "string":
self.__xAttributes = self.__extension.get_log_attributes()
mapping = self.__extension.get_prefix(
) + ':' + attributes.getValue("key")
self.__currentAttribute = self.__factory.create_attribute_literal(
mapping, "DEFAULT", self.__extension)
self.__xAttributes.add(self.__currentAttribute)
elif tag_name.lower() == "date":
self.__xAttributes = self.__extension.get_log_attributes()
mapping = self.__extension.get_prefix(
) + ':' + attributes.getValue("key")
self.__currentAttribute = self.__factory.create_attribute_timestamp(
mapping, 0, self.__extension)
self.__xAttributes.add(self.__currentAttribute)
elif tag_name.lower() == "int":
self.__xAttributes = self.__extension.get_log_attributes()
mapping = self.__extension.get_prefix(
) + ':' + attributes.getValue("key")
self.__currentAttribute = self.__factory.create_attribute_discrete(
mapping, 0, self.__extension)
self.__xAttributes.add(self.__currentAttribute)
elif tag_name.lower() == "float":
self.__xAttributes = self.__extension.get_log_attributes()
mapping = self.__extension.get_prefix(
) + ':' + attributes.getValue("key")
self.__currentAttribute = self.__factory.create_attribute_continuous(
mapping, 0.0, self.__extension)
self.__xAttributes.add(self.__currentAttribute)
elif tag_name.lower() == "boolean":
self.__xAttributes = self.__extension.get_log_attributes()
mapping = self.__extension.get_prefix(
) + ':' + attributes.getValue("key")
self.__currentAttribute = self.__factory.create_attribute_boolean(
mapping, False, self.__extension)
self.__xAttributes.add(self.__currentAttribute)
elif tag_name.lower() == "id":
self.__xAttributes = self.__extension.get_log_attributes()
mapping = self.__extension.get_prefix(
) + ':' + attributes.getValue("key")
self.__currentAttribute = self.__factory.create_attribute_id(
mapping, XIDFactory.create_id(), self.__extension)
self.__xAttributes.add(self.__currentAttribute)
elif self.__currentAttribute is not None and tag_name.lower(
) == "alias":
mapping = attributes.getValue("mapping")
name = attributes.getValue("name")
XGlobalAttributeNameMap().register_mapping(
mapping, self.__currentAttribute.get_key(), name)
def endElement(self, local_name):
""" Overrides endElement in class ContentHandler
:param local_name: The name of the element type, just as with the
startElement event
:type local_name: str
"""
tag_name = local_name
if tag_name.lower() in [
"string", "date", "int", "float", "boolean", "id"
]:
self.__currentAttribute = None