def radd_handler(item):
"""Handler method for RADD dependencies.
Creates the RADD entities and relationship to the variable.
Args:
var: the variable object (from the Variable Catalog).
var_entity: Var object corresponding to the var object.
"""
variable_type = item.get('type')
variable_name = item.get('name')
table_name = item['table_name']
field_name = item['field_name']
radd_key = item['keys']
var_entity = create_radd_var(variable_type, variable_name)
for keys in radd_key:
if keys:
for item in keys:
if 'variable' in item:
print 'keyname '+item['name']
key_entity = Var(name=item['name'])
key_entity.create_node()
var_entity.create_unique_relationship('USING_KEY', key_entity.node)
if is_empty(table_name):
pass
radd_entity = create_radd_entities(table_name)
var_entity.create_unique_relationship('QUERIES', radd_entity.node)
def reading_edge_handler(edge_container, edge_key, raw_edge, var_entity):
"""Handler method for Edge Container dependencies.
Creates the Edge Container entities and relationship to the variable.
Args:
var: the variable object (from the Variable Catalog).
var_entity: Var object corresponding to the var object.
"""
if is_empty(edge_container):
return
edge_entity = EdgeContainer(name=edge_container)
edge_entity.create_node()
var_entity.create_unique_relationship('ATTRIBUTE_OF', edge_entity.node)
if is_empty(edge_key):
return
key_entity = Var(name=edge_key)
key_entity.create_node()
var_entity.create_unique_relationship('USING_KEY', key_entity.node)
if is_empty(raw_edge):
return
raw_edge_entity = Var(name=raw_edge, is_raw_edge=True)
raw_edge_entity.create_node()
var_entity.create_unique_relationship('DERIVE_FROM', raw_edge_entity.node)
def create_raw_edge_entity(variable_name, aggregation_type, edge_type):
var_entity = Var(name=variable_name ,
type='EDGE',
aggregation_type = aggregation_type,
edge_type = edge_type,
is_raw_edge = True)
var_entity.create_node()
return var_entity
def create_reading_edge_entity(container_key, aggregation_type, variable_name, edge_type):
var_entity = Var(name=variable_name,
type='EDGE',
aggregation_type = aggregation_type,
container_key= container_key,
edge_type = edge_type,
)
var_entity.create_node()
return var_entity
def _create_raw_edge_entity(self, var):
print 'need update ', var['variable_name']
var_entity = Var(name=var['variable_name'],
release_date=var['release_date'],
status=var['variable_status'],
code_link=var.get('code_link', ''),
type='EDGE',
is_raw_edge=True)
var_entity.create_node()
return var_entity
def create_radd_var(variable_type, variable_name, iseve):
"""Creates the variable entity and the remote node in the datastore.
Args:
var: a dictionary with the variable data.
Returns:
The newly created entity.
"""
try:
var_entity = Var(name=variable_name,
is_eve_radd=True,
type='RADD')
var_entity.create_node()
return var_entity
except ValueError:
pass
def _create_var_entity(self, var):
"""Creates the variable entity and the remote node in the datastore.
Args:
var: a dictionary with the variable data.
Returns:
The newly created entity.
"""
try:
print 'need update ', var['variable_name']
var_entity = Var(name=var['variable_name'],
release_date=var['release_date'],
status=var['variable_status'],
type=var['variable_type'])
var_entity.create_node()
return var_entity
except ValueError:
pass