/
WFNodes.py
1041 lines (808 loc) · 45.5 KB
/
WFNodes.py
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import sys, traceback
from xml.dom.minidom import parse
import xml.dom.minidom
from xml.dom.minidom import Document
import WFConstants
import WFVariables
import re
from WFExceptions import DuplicateNodeError, DuplicateParamError
# Helper functions
# Classes
class Arrow:
def __init__(self, type="0", delta_x="0", delta_y="0", name=""):
self.type = type
self.delta_x = delta_x
self.delta_y = delta_y
self.name=name
class Parameter:
def __init__(self, name, value, is_mandatory=False, type="String"):
self.name = name
self.setValue(value)
self.type = type
self.is_mandatory = is_mandatory
def setValue(self, value):
if "constant:" in value:
self.value = value.split(":")[1]
self.is_constant = True
self.without_prefix = False
elif "variable:" in value:
self.value = value.split(":")[1]
self.is_constant = False
self.without_prefix = False
else:
self.value = value
self.is_constant = False
self.without_prefix = True
def __repr__(self):
return self.name + " : " + self.value + ", "
def __str__(self):
return self.name + " : " + self.value + ", "
class Parameters:
def __init__(self, param_dict):
self.parameters = []
for key in param_dict.keys():
parameter = Parameter(key, param_dict[key])
self.addParameter(parameter)
self.index = len(self.parameters)
def contains(self, param_name):
return self.getValue(param_name) != None
def getValue(self, param_name):
for parameter in self.parameters:
if parameter.name == param_name:
return parameter.value
return None
def insertUpdateValue(self, param_name, param_value):
if self.contains(param_name):
for parameter in self.parameters:
if parameter.name == param_name:
parameter.setValue(param_value)
else:
parameter = Parameter(param_name, param_value)
self.addParameter(parameter)
def addParameter(self, parameter):
if self.contains(parameter.name):
raise DuplicateParamError(parameter.name, self.parameters)
else:
self.parameters.append(parameter)
def removeParameter(self, parameter):
if self.contains(parameter.name):
self.parameters = [remain_parameter for remain_parameter in self.parameters if remain_parameter.name != parameter.name]
self.index = len(self.parameters)
def __repr__(self):
string_to_return = ""
for param in self.parameters:
string_to_return = string_to_return + repr(param)
return string_to_return
def __str__(self):
string_to_return = "{ "
for param in self.parameters:
string_to_return = string_to_return + str(param)
string_to_return = string_to_return + " }"
return string_to_return
def __iter__(self):
self.index = len(self.parameters)
return self
def next(self):
if self.index == 0:
raise StopIteration
self.index = self.index - 1
return self.parameters[self.index]
class Handler:
def __init__(self, name="", class_name="", parameters=Parameters({})):
self.name = name
self.class_name = class_name
self.parameters = parameters
def __str__(self):
return "Handler " + self.name
class Node:
def __init__(self, name="", class_name="", parameters=Parameters({}),
x="0", y="0", width="", height="", previous_node_names=[]):
self.name = name
self.class_name = class_name
self.parameters = parameters
self.x = x
self.y = y
self.width = width
self.height = height
self.previous_node_names = previous_node_names
def positionToXml(self):
doc = Document()
xml_position_node = doc.createElement(WFConstants.TAG_NAME_POSITION)
xml_name_node = doc.createElement(WFConstants.TAG_NAME_NAME)
xml_name_node_content = doc.createTextNode(self.name)
xml_name_node.appendChild(xml_name_node_content)
xml_x_node = doc.createElement(WFConstants.TAG_NAME_X)
xml_x_node_content = doc.createTextNode(self.x)
xml_x_node.appendChild(xml_x_node_content)
xml_y_node = doc.createElement(WFConstants.TAG_NAME_Y)
xml_y_node_content = doc.createTextNode(self.y)
xml_y_node.appendChild(xml_y_node_content)
xml_width_node = doc.createElement(WFConstants.TAG_NAME_WIDTH)
xml_width_node_content = doc.createTextNode(self.width)
xml_width_node.appendChild(xml_width_node_content)
xml_height_node = doc.createElement(WFConstants.TAG_NAME_HEIGHT)
xml_height_node_content = doc.createTextNode(self.height)
xml_height_node.appendChild(xml_height_node_content)
xml_position_node.appendChild(xml_name_node)
xml_position_node.appendChild(xml_x_node)
xml_position_node.appendChild(xml_y_node)
xml_position_node.appendChild(xml_width_node)
xml_position_node.appendChild(xml_height_node)
return xml_position_node
def __str__(self):
return "Node " + self.name + ". Class " + self.class_name + ". Parameters: " + self.parameters.__str__()
class ProcessNode(Node):
def __init__(self, name="", class_name="", parameters=Parameters({}),
next_node="", x="0", y="0", width="100", height="48", arrow=Arrow(), **kwargs):
if 'xml_node' in kwargs:
xml_node = kwargs.get('xml_node')
node_name = xml_node.getElementsByTagName(WFConstants.TAG_NAME_NAME)[0].childNodes[0].data
node_class_name = xml_node.getElementsByTagName(WFConstants.TAG_NAME_CLASS_NAME)[0].childNodes[0].data
xml_params = xml_node.getElementsByTagName(WFConstants.TAG_NAME_PARAM)
param_dict = {}
for xml_param in xml_params:
param_dict[xml_param.getAttribute(WFConstants.ATTRIBUTE_NAME_NAME)] = \
xml_param.getAttribute(WFConstants.ATTRIBUTE_NAME_VALUE)
params = Parameters(param_dict)
if len(xml_node.getElementsByTagName(WFConstants.TAG_NAME_NEXT_NODE)) > 0:
node_next_node = xml_node.getElementsByTagName(WFConstants.TAG_NAME_NEXT_NODE)[0].childNodes[0].data
else:
node_next_node = next_node
else:
node_name = name
node_class_name = class_name
params = parameters
node_next_node = next_node
if 'xml_position' in kwargs:
xml_position = kwargs.get('xml_position')
node_x_pos = xml_position.getElementsByTagName(WFConstants.TAG_NAME_X)[0].childNodes[0].data
node_y_pos = xml_position.getElementsByTagName(WFConstants.TAG_NAME_Y)[0].childNodes[0].data
node_width = xml_position.getElementsByTagName(WFConstants.TAG_NAME_WIDTH)[0].childNodes[0].data
node_height = xml_position.getElementsByTagName(WFConstants.TAG_NAME_HEIGHT)[0].childNodes[0].data
else:
node_x_pos = x
node_y_pos = y
node_width = width
node_height = height
if 'xml_arrows' in kwargs:
xml_arrows = kwargs.get('xml_arrows')
xml_true_arrow = xml_arrows.getElementsByTagName(WFConstants.TAG_NAME_TRUE_ARROW)
node_true_type = xml_true_arrow[0].getElementsByTagName(WFConstants.TAG_NAME_TYPE)[0].childNodes[0].data
node_true_delta_x = xml_true_arrow[0].getElementsByTagName(WFConstants.TAG_NAME_DELTA_X)[0].childNodes[0].data
node_true_delta_y = xml_true_arrow[0].getElementsByTagName(WFConstants.TAG_NAME_DELTA_Y)[0].childNodes[0].data
xml_arrow = Arrow(type=str(node_true_type), delta_x=str(node_true_delta_x), delta_y=str(node_true_delta_y))
else:
xml_arrow = arrow
Node.__init__(self, name=node_name, class_name=node_class_name, parameters=params,
x=node_x_pos, y=node_y_pos, width=node_width, height=node_height)
self.arrow = xml_arrow
self.next_node = node_next_node
def createXmlNode(self):
doc = Document()
xml_node = doc.createElement(WFConstants.TAG_NAME_PROCESS_NODE)
xml_name_node = doc.createElement(WFConstants.TAG_NAME_NAME)
xml_name_node_content = doc.createTextNode(self.name)
xml_name_node.appendChild(xml_name_node_content)
xml_action_node = doc.createElement(WFConstants.TAG_NAME_ACTION)
xml_class_name_node = doc.createElement(WFConstants.TAG_NAME_CLASS_NAME)
xml_class_name_node_content = doc.createTextNode(self.class_name)
xml_class_name_node.appendChild(xml_class_name_node_content)
xml_action_node.appendChild(xml_class_name_node)
for parameter in self.parameters:
xml_param_node = doc.createElement(WFConstants.TAG_NAME_PARAM)
xml_param_node.setAttribute(WFConstants.ATTRIBUTE_NAME_NAME, parameter.name)
if not parameter.without_prefix:
if parameter.is_constant:
prefix = "constant:"
else:
prefix = "variable:"
xml_param_node.setAttribute(WFConstants.ATTRIBUTE_NAME_VALUE, prefix + parameter.value)
else:
xml_param_node.setAttribute(WFConstants.ATTRIBUTE_NAME_VALUE, parameter.value)
xml_action_node.appendChild(xml_param_node)
xml_node.appendChild(xml_name_node)
xml_node.appendChild(xml_action_node)
if len(self.next_node) > 0:
xml_next_node = doc.createElement(WFConstants.TAG_NAME_NEXT_NODE)
xml_next_node_content = doc.createTextNode(self.next_node)
xml_next_node.appendChild(xml_next_node_content)
xml_node.appendChild(xml_next_node)
return xml_node
def arrowsToXml(self):
doc = Document()
xml_arrows_node = doc.createElement(WFConstants.TAG_NAME_ARROWS)
xml_name_node = doc.createElement(WFConstants.TAG_NAME_NAME)
xml_name_node_content = doc.createTextNode(self.name)
xml_name_node.appendChild(xml_name_node_content)
xml_true_arrow = doc.createElement(WFConstants.TAG_NAME_TRUE_ARROW)
xml_true_arrow_type = doc.createElement(WFConstants.TAG_NAME_TYPE)
xml_true_arrow_type_content = doc.createTextNode(self.arrow.type)
xml_true_arrow_type_delta_x_content = doc.createTextNode(self.arrow.delta_x)
xml_true_arrow_type_delta_y_content = doc.createTextNode(self.arrow.delta_y)
xml_true_arrow_type.appendChild(xml_true_arrow_type_content)
xml_true_arrow_delta_x = doc.createElement(WFConstants.TAG_NAME_DELTA_X)
xml_true_arrow_delta_x.appendChild(xml_true_arrow_type_delta_x_content)
xml_true_arrow_delta_y = doc.createElement(WFConstants.TAG_NAME_DELTA_Y)
xml_true_arrow_delta_y.appendChild(xml_true_arrow_type_delta_y_content)
xml_false_arrow = doc.createElement(WFConstants.TAG_NAME_FALSE_ARROW)
xml_false_arrow_type = doc.createElement(WFConstants.TAG_NAME_TYPE)
xml_false_arrow_type_content = doc.createTextNode(self.arrow.type)
xml_false_arrow_type_delta_x_content = doc.createTextNode(self.arrow.delta_x)
xml_false_arrow_type_delta_y_content = doc.createTextNode(self.arrow.delta_y)
xml_false_arrow_type.appendChild(xml_false_arrow_type_content)
xml_false_arrow_delta_x = doc.createElement(WFConstants.TAG_NAME_DELTA_X)
xml_false_arrow_delta_x.appendChild(xml_false_arrow_type_delta_x_content)
xml_false_arrow_delta_y = doc.createElement(WFConstants.TAG_NAME_DELTA_Y)
xml_false_arrow_delta_y.appendChild(xml_false_arrow_type_delta_y_content)
xml_true_arrow.appendChild(xml_true_arrow_type)
xml_true_arrow.appendChild(xml_true_arrow_delta_x)
xml_true_arrow.appendChild(xml_true_arrow_delta_y)
xml_false_arrow.appendChild(xml_false_arrow_type)
xml_false_arrow.appendChild(xml_false_arrow_delta_x)
xml_false_arrow.appendChild(xml_false_arrow_delta_y)
xml_arrows_node.appendChild(xml_name_node)
xml_arrows_node.appendChild(xml_true_arrow)
xml_arrows_node.appendChild(xml_false_arrow)
return xml_arrows_node
class RuleNode(Node):
def __init__(self, name="", class_name="", parameters=Parameters({}),
next_node_true="", next_node_false="", x="0", y="0", width="100", height="24",
arrow_true=Arrow(), arrow_false=Arrow(), **kwargs):
if 'xml_node' in kwargs:
xml_node = kwargs.get('xml_node')
node_name = xml_node.getElementsByTagName(WFConstants.TAG_NAME_NAME)[0].childNodes[0].data
node_class_name = xml_node.getElementsByTagName(WFConstants.TAG_NAME_CLASS_NAME)[0].childNodes[0].data
xml_params = xml_node.getElementsByTagName(WFConstants.TAG_NAME_PARAM)
param_dict = {}
for xml_param in xml_params:
param_dict[xml_param.getAttribute(WFConstants.ATTRIBUTE_NAME_NAME)] = \
xml_param.getAttribute(WFConstants.ATTRIBUTE_NAME_VALUE)
params = Parameters(param_dict)
node_next_true = xml_node.getElementsByTagName(WFConstants.TAG_NAME_NEXT_NODE_TRUE)[0].childNodes[0].data
node_next_false = xml_node.getElementsByTagName(WFConstants.TAG_NAME_NEXT_NODE_FALSE)[0].childNodes[0].data
else:
node_name = name
node_class_name = class_name
params = parameters
node_next_true = next_node_true
node_next_false = next_node_false
if 'xml_position' in kwargs:
xml_position = kwargs.get('xml_position')
node_x_pos = xml_position.getElementsByTagName(WFConstants.TAG_NAME_X)[0].childNodes[0].data
node_y_pos = xml_position.getElementsByTagName(WFConstants.TAG_NAME_Y)[0].childNodes[0].data
node_width = xml_position.getElementsByTagName(WFConstants.TAG_NAME_WIDTH)[0].childNodes[0].data
node_height = xml_position.getElementsByTagName(WFConstants.TAG_NAME_HEIGHT)[0].childNodes[0].data
else:
node_x_pos = x
node_y_pos = y
node_width = width
node_height = height
if 'xml_arrows' in kwargs:
xml_arrows = kwargs.get('xml_arrows')
xml_true_arrow = xml_arrows.getElementsByTagName(WFConstants.TAG_NAME_TRUE_ARROW)
node_true_type = xml_true_arrow[0].getElementsByTagName(WFConstants.TAG_NAME_TYPE)[0].childNodes[0].data
node_true_delta_x = xml_true_arrow[0].getElementsByTagName(WFConstants.TAG_NAME_DELTA_X)[0].childNodes[0].data
node_true_delta_y = xml_true_arrow[0].getElementsByTagName(WFConstants.TAG_NAME_DELTA_Y)[0].childNodes[0].data
xml_false_arrow = xml_arrows.getElementsByTagName(WFConstants.TAG_NAME_FALSE_ARROW)
node_false_type = xml_false_arrow[0].getElementsByTagName(WFConstants.TAG_NAME_TYPE)[0].childNodes[0].data
node_false_delta_x = xml_false_arrow[0].getElementsByTagName(WFConstants.TAG_NAME_DELTA_X)[0].childNodes[0].data
node_false_delta_y = xml_false_arrow[0].getElementsByTagName(WFConstants.TAG_NAME_DELTA_Y)[0].childNodes[0].data
xml_arrow_true = Arrow(type=str(node_true_type), delta_x=str(node_true_delta_x), delta_y=str(node_true_delta_y))
xml_arrow_false = Arrow(type=str(node_false_type), delta_x=str(node_false_delta_x), delta_y=str(node_false_delta_y))
else:
xml_arrow_true = arrow_true
xml_arrow_false = arrow_false
Node.__init__(self, name=node_name, class_name=node_class_name, parameters=params,
x=node_x_pos, y=node_y_pos, width=node_width, height=node_height)
self.arrow_true = xml_arrow_true
self.arrow_false = xml_arrow_false
self.next_node_true = node_next_true
self.next_node_false = node_next_false
def createXmlNode(self):
doc = Document()
xml_node = doc.createElement(WFConstants.TAG_NAME_RULE_NODE)
xml_name_node = doc.createElement(WFConstants.TAG_NAME_NAME)
xml_name_node_content = doc.createTextNode(self.name)
xml_name_node.appendChild(xml_name_node_content)
xml_action_node = doc.createElement(WFConstants.TAG_NAME_ACTION)
xml_class_name_node = doc.createElement(WFConstants.TAG_NAME_CLASS_NAME)
xml_class_name_node_content = doc.createTextNode(self.class_name)
xml_class_name_node.appendChild(xml_class_name_node_content)
xml_action_node.appendChild(xml_class_name_node)
for parameter in self.parameters:
xml_param_node = doc.createElement(WFConstants.TAG_NAME_PARAM)
xml_param_node.setAttribute(WFConstants.ATTRIBUTE_NAME_NAME, parameter.name)
if not parameter.without_prefix:
if parameter.is_constant:
prefix = "constant:"
else:
prefix = "variable:"
xml_param_node.setAttribute(WFConstants.ATTRIBUTE_NAME_VALUE, prefix + parameter.value)
else:
xml_param_node.setAttribute(WFConstants.ATTRIBUTE_NAME_VALUE, parameter.value)
xml_action_node.appendChild(xml_param_node)
xml_node.appendChild(xml_name_node)
xml_node.appendChild(xml_action_node)
if len(self.next_node_true) > 0:
xml_next_node = doc.createElement(WFConstants.TAG_NAME_NEXT_NODE_TRUE)
xml_next_node_content = doc.createTextNode(self.next_node_true)
xml_next_node.appendChild(xml_next_node_content)
xml_node.appendChild(xml_next_node)
if len(self.next_node_false) > 0:
xml_next_node = doc.createElement(WFConstants.TAG_NAME_NEXT_NODE_FALSE)
xml_next_node_content = doc.createTextNode(self.next_node_false)
xml_next_node.appendChild(xml_next_node_content)
xml_node.appendChild(xml_next_node)
return xml_node
def arrowsToXml(self):
doc = Document()
xml_arrows_node = doc.createElement(WFConstants.TAG_NAME_ARROWS)
xml_name_node = doc.createElement(WFConstants.TAG_NAME_NAME)
xml_name_node_content = doc.createTextNode(self.name)
xml_name_node.appendChild(xml_name_node_content)
xml_true_arrow = doc.createElement(WFConstants.TAG_NAME_TRUE_ARROW)
xml_true_arrow_type = doc.createElement(WFConstants.TAG_NAME_TYPE)
xml_true_arrow_type_content = doc.createTextNode(self.arrow_true.type)
xml_true_arrow_type_delta_x_content = doc.createTextNode(self.arrow_true.delta_x)
xml_true_arrow_type_delta_y_content = doc.createTextNode(self.arrow_true.delta_y)
xml_true_arrow_type.appendChild(xml_true_arrow_type_content)
xml_true_arrow_delta_x = doc.createElement(WFConstants.TAG_NAME_DELTA_X)
xml_true_arrow_delta_x.appendChild(xml_true_arrow_type_delta_x_content)
xml_true_arrow_delta_y = doc.createElement(WFConstants.TAG_NAME_DELTA_Y)
xml_true_arrow_delta_y.appendChild(xml_true_arrow_type_delta_y_content)
xml_false_arrow = doc.createElement(WFConstants.TAG_NAME_FALSE_ARROW)
xml_false_arrow_type = doc.createElement(WFConstants.TAG_NAME_TYPE)
xml_false_arrow_type_content = doc.createTextNode(self.arrow_false.type)
xml_false_arrow_type_delta_x_content = doc.createTextNode(self.arrow_false.delta_x)
xml_false_arrow_type_delta_y_content = doc.createTextNode(self.arrow_false.delta_y)
xml_false_arrow_type.appendChild(xml_false_arrow_type_content)
xml_false_arrow_delta_x = doc.createElement(WFConstants.TAG_NAME_DELTA_X)
xml_false_arrow_delta_x.appendChild(xml_false_arrow_type_delta_x_content)
xml_false_arrow_delta_y = doc.createElement(WFConstants.TAG_NAME_DELTA_Y)
xml_false_arrow_delta_y.appendChild(xml_false_arrow_type_delta_y_content)
xml_true_arrow.appendChild(xml_true_arrow_type)
xml_true_arrow.appendChild(xml_true_arrow_delta_x)
xml_true_arrow.appendChild(xml_true_arrow_delta_y)
xml_false_arrow.appendChild(xml_false_arrow_type)
xml_false_arrow.appendChild(xml_false_arrow_delta_x)
xml_false_arrow.appendChild(xml_false_arrow_delta_y)
xml_arrows_node.appendChild(xml_name_node)
xml_arrows_node.appendChild(xml_true_arrow)
xml_arrows_node.appendChild(xml_false_arrow)
return xml_arrows_node
class SwitchNode(Node):
def __init__(self, name="", class_name="", parameters=Parameters({}),
next_node_default="", next_node_cases={}, x="0", y="0", width="100", height="24",
arrow_default=Arrow(), arrow_cases=[], arrow_true=Arrow(), arrow_false=Arrow()):
if 'xml_node' in kwargs:
xml_node = kwargs.get('xml_node')
node_name = xml_node.getElementsByTagName(WFConstants.TAG_NAME_NAME)[0].childNodes[0].data
node_class_name = xml_node.getElementsByTagName(WFConstants.TAG_NAME_CLASS_NAME)[0].childNodes[0].data
xml_params = xml_node.getElementsByTagName(WFConstants.TAG_NAME_PARAM)
param_dict = {}
for xml_param in xml_params:
param_dict[xml_param.getAttribute(WFConstants.ATTRIBUTE_NAME_NAME)] = \
xml_param.getAttribute(WFConstants.ATTRIBUTE_NAME_VALUE)
params = Parameters(param_dict)
node_next_default = xml_node.getElementsByTagName(WFConstants.TAG_NAME_DEFAULT)[0].childNodes[0].data
cases_dict ={}
cases = xml_node.getElementsByTagName(WFConstants.TAG_NAME_SWITCH)
for case in cases:
cases_dict[case.getAttribute(WFConstants.ATTRIBUTE_NAME_NAME)] = case.data
else:
node_name = name
node_class_name = class_name
params = parameters
node_next_default = next_node_default
cases_dict = next_node_cases
if 'xml_position' in kwargs:
xml_position = kwargs.get('xml_position')
node_x_pos = xml_position.getElementsByTagName(WFConstants.TAG_NAME_X)[0].childNodes[0].data
node_y_pos = xml_position.getElementsByTagName(WFConstants.TAG_NAME_Y)[0].childNodes[0].data
node_width = xml_position.getElementsByTagName(WFConstants.TAG_NAME_WIDTH)[0].childNodes[0].data
node_height = xml_position.getElementsByTagName(WFConstants.TAG_NAME_HEIGHT)[0].childNodes[0].data
else:
node_x_pos = x
node_y_pos = y
node_width = width
node_height = height
if 'xml_arrows' in kwargs:
xml_arrows = kwargs.get('xml_arrows')
xml_true_arrow = xml_arrows.getElementsByTagName(WFConstants.TAG_NAME_TRUE_ARROW)
node_true_type = xml_true_arrow[0].getElementsByTagName(WFConstants.TAG_NAME_TYPE)[0].childNodes[0].data
node_true_delta_x = xml_true_arrow[0].getElementsByTagName(WFConstants.TAG_NAME_DELTA_X)[0].childNodes[0].data
node_true_delta_y = xml_true_arrow[0].getElementsByTagName(WFConstants.TAG_NAME_DELTA_Y)[0].childNodes[0].data
xml_false_arrow = xml_arrows.getElementsByTagName(WFConstants.TAG_NAME_FALSE_ARROW)
node_false_type = xml_false_arrow[0].getElementsByTagName(WFConstants.TAG_NAME_TYPE)[0].childNodes[0].data
node_false_delta_x = xml_false_arrow[0].getElementsByTagName(WFConstants.TAG_NAME_DELTA_X)[0].childNodes[0].data
node_false_delta_y = xml_false_arrow[0].getElementsByTagName(WFConstants.TAG_NAME_DELTA_Y)[0].childNodes[0].data
xml_default_arrow = xml_arrows.getElementsByTagName(WFConstants.TAG_NAME_DEFAULT_ARROW)
node_default_type = xml_default_arrow[0].getElementsByTagName(WFConstants.TAG_NAME_TYPE)[0].childNodes[0].data
node_default_delta_x = xml_default_arrow[0].getElementsByTagName(WFConstants.TAG_NAME_DELTA_X)[0].childNodes[0].data
node_default_delta_y = xml_default_arrow[0].getElementsByTagName(WFConstants.TAG_NAME_DELTA_Y)[0].childNodes[0].data
xml_case_arrows = xml_node.getElementsByTagName(WFConstants.TAG_NAME_CASE_ARROW)
xml_arrow_cases = []
for xml_case_arrow in xml_case_arrows:
node_case_type = xml_case_arrow[0].getElementsByTagName(WFConstants.TAG_NAME_TYPE)[0].childNodes[0].data
node_case_delta_x = xml_case_arrow[0].getElementsByTagName(WFConstants.TAG_NAME_DELTA_X)[0].childNodes[0].data
node_case_delta_y = xml_case_arrow[0].getElementsByTagName(WFConstants.TAG_NAME_DELTA_Y)[0].childNodes[0].data
node_case_name = xml_case_arrow[0].getElementsByTagName(WFConstants.TAG_NAME_NAME)[0].childNodes[0].data
xml_arrow_cases.append(Arrow(type=str(node_case_type), delta_x=str(node_case_delta_x), delta_y=str(node_case_delta_y), name=node_case_name))
xml_arrow_true = Arrow(type=str(node_true_type), delta_x=str(node_true_delta_x), delta_y=str(node_true_delta_y))
xml_arrow_false = Arrow(type=str(node_false_type), delta_x=str(node_false_delta_x), delta_y=str(node_false_delta_y))
xml_arrow_default = Arrow(type=str(node_default_type), delta_x=str(node_default_delta_x), delta_y=str(node_default_delta_y))
else:
xml_arrow_true = arrow_true
xml_arrow_false = arrow_false
xml_arrow_default = arrow_default
xml_arrow_cases = arrow_cases
Node.__init__(self, name=node_name, class_name=node_class_name, parameters=params,
x=node_x_pos, y=node_y_pos, width=node_width, height=node_height)
self.arrow_true = xml_arrow_true
self.arrow_false = xml_arrow_false
self.next_node_default = node_next_default
self.next_node_cases = cases_dict
self.arrow_default = xml_arrow_default
self.arrow_cases = xml_arrow_cases
def createXmlNode(self):
doc = Document()
xml_node = doc.createElement(WFConstants.TAG_NAME_SWITCH_NODE)
xml_name_node = doc.createElement(WFConstants.TAG_NAME_NAME)
xml_name_node_content = doc.createTextNode(self.name)
xml_name_node.appendChild(xml_name_node_content)
xml_action_node = doc.createElement(WFConstants.TAG_NAME_ACTION)
xml_class_name_node = doc.createElement(WFConstants.TAG_NAME_CLASS_NAME)
xml_class_name_node_content = doc.createTextNode(self.class_name)
xml_class_name_node.appendChild(xml_class_name_node_content)
xml_action_node.appendChild(xml_class_name_node)
for parameter in self.parameters:
xml_param_node = doc.createElement(WFConstants.TAG_NAME_PARAM)
xml_param_node.setAttribute(WFConstants.ATTRIBUTE_NAME_NAME, parameter.name)
if not parameter.without_prefix:
if parameter.is_constant:
prefix = "constant:"
else:
prefix = "variable:"
xml_param_node.setAttribute(WFConstants.ATTRIBUTE_NAME_VALUE, prefix + parameter.value)
else:
xml_param_node.setAttribute(WFConstants.ATTRIBUTE_NAME_VALUE, parameter.value)
xml_action_node.appendChild(xml_param_node)
xml_node.appendChild(xml_name_node)
xml_node.appendChild(xml_action_node)
if len(self.next_node_cases.keys()) > 0:
for key in next_node_cases.keys():
xml_case_node = doc.createElement(WFConstants.TAG_NAME_SWITCH)
xml_case_node.setAttribute(WFConstants.ATTRIBUTE_NAME_NAME, key)
xml_case_node_content = doc.createTextNode(next_node_cases[key])
xml_case_node.appendChild(xml_case_node_content)
xml_node.appendChild(xml_case_node)
if len(self.next_node_default) > 0:
xml_default_node = doc.createElement(WFConstants.TAG_NAME_DEFAULT)
xml_default_node_content = doc.createTextNode(self.next_node_default)
xml_default_node.appendChild(xml_default_node_content)
xml_node.appendChild(xml_next_node)
return xml_node
def arrowsToXml(self):
xml_arrows_node = doc.createElement(WFConstants.TAG_NAME_ARROWS)
xml_name_node = doc.createElement(WFConstants.TAG_NAME_NAME)
xml_name_node_content = doc.createTextNode(self.name)
xml_name_node.appendChild(xml_name_node_content)
xml_true_arrow = doc.createElement(WFConstants.TAG_NAME_TRUE_ARROW)
xml_true_arrow_type = doc.createElement(WFConstants.TAG_NAME_TYPE)
xml_true_arrow_type_content = doc.createTextNode(self.arrow_true.type)
xml_true_arrow_type_delta_x_content = doc.createTextNode(self.arrow_true.delta_x)
xml_true_arrow_type_delta_y_content = doc.createTextNode(self.arrow_true.delta_y)
xml_true_arrow_type.appendChild(xml_true_arrow_type_content)
xml_true_arrow_delta_x = doc.createElement(WFConstants.TAG_NAME_DELTA_X)
xml_true_arrow_delta_x.appendChild(xml_true_arrow_type_delta_x_content)
xml_true_arrow_delta_y = doc.createElement(WFConstants.TAG_NAME_DELTA_Y)
xml_true_arrow_delta_y.appendChild(xml_true_arrow_type_delta_y_content)
xml_false_arrow = doc.createElement(WFConstants.TAG_NAME_FALSE_ARROW)
xml_false_arrow_type = doc.createElement(WFConstants.TAG_NAME_TYPE)
xml_false_arrow_type_content = doc.createTextNode(self.arrow_false.type)
xml_false_arrow_type_delta_x_content = doc.createTextNode(self.arrow_false.delta_x)
xml_false_arrow_type_delta_y_content = doc.createTextNode(self.arrow_false.delta_y)
xml_false_arrow_type.appendChild(xml_false_arrow_type_content)
xml_false_arrow_delta_x = doc.createElement(WFConstants.TAG_NAME_DELTA_X)
xml_false_arrow_delta_x.appendChild(xml_false_arrow_type_delta_x_content)
xml_false_arrow_delta_y = doc.createElement(WFConstants.TAG_NAME_DELTA_Y)
xml_false_arrow_delta_y.appendChild(xml_false_arrow_type_delta_y_content)
xml_true_arrow.appendChild(xml_true_arrow_type)
xml_true_arrow.appendChild(xml_true_arrow_delta_x)
xml_true_arrow.appendChild(xml_true_arrow_delta_y)
xml_false_arrow.appendChild(xml_false_arrow_type)
xml_false_arrow.appendChild(xml_false_arrow_delta_x)
xml_false_arrow.appendChild(xml_false_arrow_delta_y)
xml_switch_arrow = doc.createElement(WFConstants.TAG_NAME_SWITCH_ARROW)
xml_default_arrow = doc.createElement(WFConstants.TAG_NAME_DEFAULT_ARROW)
xml_default_arrow_type = doc.createElement(WFConstants.TAG_NAME_TYPE)
xml_default_arrow_type_content = doc.createTextNode(self.arrow_default.type)
xml_default_arrow_type_delta_x_content = doc.createTextNode(self.arrow_default.delta_x)
xml_default_arrow_type_delta_y_content = doc.createTextNode(self.arrow_default.delta_y)
xml_default_arrow_type.appendChild(xml_default_arrow_type_content)
xml_default_arrow_delta_x = doc.createElement(WFConstants.TAG_NAME_DELTA_X)
xml_default_arrow_delta_x.appendChild(xml_default_arrow_type_delta_x_content)
xml_default_arrow_delta_y = doc.createElement(WFConstants.TAG_NAME_DELTA_Y)
xml_default_arrow_delta_y.appendChild(xml_default_arrow_type_delta_y_content)
xml_default_arrow.appendChild(xml_default_arrow_type)
xml_default_arrow.appendChild(xml_default_arrow_delta_x)
xml_default_arrow.appendChild(xml_default_arrow_delta_y)
xml_switch_arrow.appendChild(xml_default_arrow)
if len(self.arrow_cases) > 0:
for arrow_case in arrow_cases:
xml_case_arrow = doc.createElement(WFConstants.TAG_NAME_CASE_ARROW)
xml_case_arrow_name_content = doc.createTextNode(self.arrow_case.name)
xml_case_arrow_type_content = doc.createTextNode(self.arrow_case.type)
xml_case_arrow_type_delta_x_content = doc.createTextNode(self.arrow_case.delta_x)
xml_case_arrow_type_delta_y_content = doc.createTextNode(self.arrow_case.delta_y)
xml_case_arrow_name = doc.createElement(WFConstants.TAG_NAME_NAME)
xml_case_arrow_name.appendChild(xml_case_arrow_name_content)
xml_case_arrow_type = doc.createElement(WFConstants.TAG_NAME_TYPE)
xml_case_arrow_type.appendChild(xml_case_arrow_type_content)
xml_case_arrow_delta_x = doc.createElement(WFConstants.TAG_NAME_DELTA_X)
xml_case_arrow_delta_x.appendChild(xml_case_arrow_type_delta_x_content)
xml_case_arrow_delta_y = doc.createElement(WFConstants.TAG_NAME_DELTA_Y)
xml_case_arrow_delta_y.appendChild(xml_case_arrow_type_delta_y_content)
xml_case_arrow.appendChild(xml_case_arrow_name)
xml_case_arrow.appendChild(xml_case_arrow_type)
xml_case_arrow.appendChild(xml_case_arrow_delta_x)
xml_case_arrow.appendChild(xml_case_arrow_delta_y)
xml_switch_arrow.appendChild(xml_case_arrow)
xml_arrows_node.appendChild(xml_name_node)
xml_arrows_node.appendChild(xml_true_arrow)
xml_arrows_node.appendChild(xml_false_arrow)
xml_arrows_node.appendChild(xml_switch_arrow)
return xml_arrows_node
class NodeGroup():
def __init__(self):
self.node_list = []
self.node_group_list = []
self.index = len(self.node_list)
def contains(self, node_name):
return self.getNode(node_name) != None
def getNode(self, node_name):
for actual_node in self.node_list:
if actual_node.name == node_name:
return actual_node
for actual_group in self.node_group_list:
for actual_node in actual_group.node_list:
if actual_node.name == node_name:
return actual_node
return None
def removeNode(self, node_name):
self.node_list = [actual_node for actual_node in self.node_list if actual_node.name == node_name]
self.node_group_list = [[actual_node for actual_node in actual_group.node_list if actual_node.name == node_name]
for actual_group in self.node_group_list]
def injectNode(self, node, from_node_name=""):
#print node
if len(from_node_name) > 0 and from_node_name not in node.previous_node_names:
node.previous_node_names.append(from_node_name)
if len(from_node_name) > 0 and self.contains(from_node_name):
self.getNode(from_node_name).next_node = node.name
if not self.contains(node.name):
self.node_list.append(node)
def connectProcessNodeToNode(self, from_node_name, to_node_name):
self.getNode(from_node_name).next_node = to_node_name
self.getNode(to_node_name).previous_node_names.append(to_node_name)
def moveX(self, x):
for node in self.node_list:
new_x = int(node.x) + x
node.x = str(new_x)
def moveY(self, y):
for node in self.node_list:
new_y = int(node.y) + y
node.y = str(new_y)
def moveXAll(self, x):
for node in self.node_list:
node.x = node.x + x
for node_group in self.node_group_list:
node_group.moveX(x)
def moveYAll(self, y):
for node in self.node_list:
node.y = node.y + y
for node_group in self.node_group_list:
node_group.moveY(y)
def makeVertical(self, initial_y=0, step=50):
for node in self.node_list:
node.x = "0"
node.y = str(initial_y)
initial_y += step
def makeHorizontal(self, initial_x=0, step=150):
for node in self.node_list:
node.y = "0"
node.x = str(initial_x)
initial_x += step
def addGroup(self, node_group):
contains = False
for node in node_group:
if self.contains(node.name):
contains = True
if not contains:
self.node_group_list.append(node_group)
def __iter__(self):
self.index = len(self.node_list)
return self
def next(self):
if self.index == 0:
raise StopIteration
self.index = self.index - 1
return self.node_list[self.index]
class RestRequestGroup(NodeGroup):
def __init__(self, url):
NodeGroup.__init__(self)
self.url = url
url_copy = url.split('/')
if len(url_copy) == 2:
composite = url[0]
method = url[1]
elif len(url_copy) == 3:
composite = url[0]
service = url[1]
method = url[2]
temp_method = method[0].upper() + method[1:]
method_upper_case_list = re.findall('[A-Z][^A-Z]*', temp_method)
base_var_name = ''
for word in method_upper_case_list:
base_var_name = base_var_name + word.lower() + '_'
START_LOG = ProcessNode(
name="LogDebug: " + method,
parameters=Parameters(WFConstants.LOG_ORDINARY_PARAMS),
class_name=WFConstants.CLASS_NAME_LOG)
message = START_LOG.parameters.getValue("log_message")
message = message + " started rest request " + method
START_LOG.parameters.insertUpdateValue("log_message", message)
self.request_json = base_var_name + "request_json"
self.response_json = base_var_name + "response_json"
self.request_url = base_var_name + "url"
CREATE_REQUEST = ProcessNode(
name="Set " + self.request_json,
parameters=Parameters({
"input_json": "variable:base_request",
"output_json": "variable:" + self.request_json}),
class_name=WFConstants.CLASS_NAME_JSON_SETTER)
MAKE_REQUEST = ProcessNode(
name="Call " + method,
parameters=Parameters(WFConstants.MAKE_REST_REQUEST_PARAMS),
class_name=WFConstants.CLASS_NAME_MAKE_REST_REQUEST)
MAKE_REQUEST.parameters.insertUpdateValue("request_json", "variable:" + self.request_json)
MAKE_REQUEST.parameters.insertUpdateValue("response_json", "variable:" + self.response_json)
MAKE_REQUEST.parameters.insertUpdateValue("request_url", "variable:" + self.request_url)
SETTING_LOG = ProcessNode(
name="Log " + method + " params",
parameters=Parameters({
"composite_name_log": "%" + self.request_url + "%",
"request_json_log": "%" + self.request_json + "%",
"response_json_log": "%" + self.response_json + "%"}),
class_name=WFConstants.CLASS_NAME_VARIABLE_MAPPER)
HTTP_CHECK = RuleNode(
name="http code == 200?",
parameters=Parameters({
"op1": "variable:http_code",
"op2": "constant:200"}),
class_name=WFConstants.CLASS_NAME_EQUALS)
GET_RESULT = ProcessNode(
name="Parse " + self.response_json,
parameters=Parameters(WFConstants.GET_INFO_FROM_RESPONSE_PARAMS),
class_name=WFConstants.CLASS_NAME_JSON_GETTER)
GET_RESULT.parameters.insertUpdateValue("json_document", "variable:" + self.response_json)
SY_CHECK = RuleNode(
name="SY code == OK?",
parameters=Parameters({
"op1": "variable:sy_error_code",
"op2": "constant:OK"}),
class_name=WFConstants.CLASS_NAME_EQUALS)
RESULT_LOG = ProcessNode(
name="LogDebug: " + method + " results",
parameters=Parameters(WFConstants.REST_RESULTS_LOG_PARAMS),
class_name=WFConstants.CLASS_NAME_LOG)
SETTING_REST_ERROR = ProcessNode(
name="Set " + method + " rest error",
parameters=Parameters({
"error_code": "HPSA_WF-001",
"error_message": "rest query error %http_code%;" + \
" query params: request: %request_json_log%, url: %composite_name_log%."}),
class_name=WFConstants.CLASS_NAME_VARIABLE_MAPPER)
SETTING_SY_ERROR = ProcessNode(
name="Set " + method + " sy error",
parameters=Parameters({
"error_code": "%sy_error_code%",
"error_message": "%sy_error_message%",
"error_comment": "query params: request: %request_json_log%, response: %response_json_log%, url: %composite_name_log%."}),
class_name=WFConstants.CLASS_NAME_VARIABLE_MAPPER)
REST_ERROR_LOG = ProcessNode(
name="LogError: " + method + " rest error",
parameters=Parameters(WFConstants.REST_RESULTS_LOG_PARAMS),
class_name=WFConstants.CLASS_NAME_LOG)
message = REST_ERROR_LOG.parameters.getValue("log_message")
message = message + " rest query error error_code=%s, error_message=%s"
REST_ERROR_LOG.parameters.insertUpdateValue("log_message", message)
REST_ERROR_LOG.parameters.insertUpdateValue("param3", "error_code")
REST_ERROR_LOG.parameters.insertUpdateValue("param4", "error_message")
REST_ERROR_LOG.parameters.insertUpdateValue("log_level", "constant:ERROR")
SY_ERROR_LOG = ProcessNode(
name="LogError: " + method + " sy error",
parameters=Parameters(WFConstants.REST_RESULTS_LOG_PARAMS),
class_name=WFConstants.CLASS_NAME_LOG)
message = SY_ERROR_LOG.parameters.getValue("log_message")
message = message + " composite error error_code=%s, error_message=%s, comment=%s"
SY_ERROR_LOG.parameters.insertUpdateValue("log_message", message)
SY_ERROR_LOG.parameters.insertUpdateValue("param3", "error_code")
SY_ERROR_LOG.parameters.insertUpdateValue("param4", "error_message")
SY_ERROR_LOG.parameters.insertUpdateValue("param5", "error_comment")
SY_ERROR_LOG.parameters.insertUpdateValue("log_level", "constant:ERROR")
# Setting right node sequence
START_LOG.next_node = CREATE_REQUEST.name
CREATE_REQUEST.next_node = MAKE_REQUEST.name
MAKE_REQUEST.next_node = SETTING_LOG.name
SETTING_LOG.next_node = HTTP_CHECK.name
HTTP_CHECK.next_node_false = SETTING_REST_ERROR.name
SETTING_REST_ERROR.next_node = REST_ERROR_LOG.name
HTTP_CHECK.next_node_true = GET_RESULT.name
GET_RESULT.next_node = SY_CHECK.name
SY_CHECK.next_node_false = SETTING_SY_ERROR.name
SETTING_SY_ERROR.next_node = SY_ERROR_LOG.name
SY_CHECK.next_node_true = RESULT_LOG.name
NodeGroup.injectNode(self, START_LOG)
NodeGroup.injectNode(self, CREATE_REQUEST)
NodeGroup.injectNode(self, MAKE_REQUEST)
NodeGroup.injectNode(self, SETTING_LOG)
NodeGroup.injectNode(self, HTTP_CHECK)
NodeGroup.injectNode(self, SETTING_REST_ERROR)
NodeGroup.injectNode(self, REST_ERROR_LOG)
NodeGroup.injectNode(self, GET_RESULT)
NodeGroup.injectNode(self, SY_CHECK)
NodeGroup.injectNode(self, SETTING_SY_ERROR)
NodeGroup.injectNode(self, SY_ERROR_LOG)
NodeGroup.injectNode(self, RESULT_LOG)
class SetInitialParamsGroup(NodeGroup):
def __init__(self, wf_name):
NodeGroup.__init__(self)
AUDIT = ProcessNode(
name="Audit " + wf_name,
parameters=Parameters(WFConstants.AUDIT_ORDINARY_PARAMS),
class_name=WFConstants.CLASS_NAME_AUDIT)
SET_INITIAL_PARAMS = ProcessNode(
name=WFVariables.NODE_NAME_SET_INITIAL_PARAM,
parameters=Parameters(WFConstants.SET_INITIAL_VALUE_PARAMS),
class_name=WFConstants.CLASS_NAME_VARIABLE_MAPPER)
LOG_INFO = ProcessNode(
name="LogInfo: " + wf_name + " started",
parameters=Parameters(WFConstants.LOG_ORDINARY_PARAMS),
class_name=WFConstants.CLASS_NAME_LOG)
LOG_INFO.parameters.insertUpdateValue("log_level", "INFORMATIVE")
message = LOG_INFO.parameters.getValue("log_message")
message = message + " " + wf_name + " started"
START_LOG.parameters.insertUpdateValue("log_message", message)