def add_edge(self, start_vertex, end_vertex, label, main_interface=None):
db_edge = start_vertex.db_element.relationships.create(label,
end_vertex.db_element)
if main_interface:
db_edge['main_interface'] = main_interface.__identifier__
db_edge['_exists'] = True
return element_factory(db_edge)
def get_vertex(self, dbid):
try:
db_vertex = self.db.node[dbid]
except KeyError:
return None
else:
return element_factory(db_vertex)
def add_edge(self, start_vertex, end_vertex, label, main_interface=None):
db_edge = start_vertex.db_element.relationships.create(
label, end_vertex.db_element)
if main_interface:
db_edge['main_interface'] = main_interface.__identifier__
db_edge['_exists'] = True
return element_factory(db_edge)
def get_vertex(self, dbid):
try:
db_vertex = self.db.node[dbid]
except KeyError:
return None
else:
return element_factory(db_vertex)
def add_vertex(self, main_interface=None):
db_vertex = self.db.node()
if main_interface:
db_vertex['main_interface'] = main_interface.__identifier__
# set _exists marker to allow get_vertices to distinguish between
# real vertices and vertices which have been created in another
# transaction.
# this is related to the following issues:
# https://github.com/neo4j/community/issues/520
# https://github.com/neo4j/community/issues/457
db_vertex['_exists'] = True
return element_factory(db_vertex)
def add_vertex(self, main_interface=None):
db_vertex = self.db.node()
if main_interface:
db_vertex['main_interface'] = main_interface.__identifier__
# set _exists marker to allow get_vertices to distinguish between
# real vertices and vertices which have been created in another
# transaction.
# this is related to the following issues:
# https://github.com/neo4j/community/issues/520
# https://github.com/neo4j/community/issues/457
db_vertex['_exists'] = True
return element_factory(db_vertex)
def get_edges(self):
return [element_factory(edge) for edge in self.db.relationships
if _is_existing_element(edge)]
def get_edge(self, dbid):
return element_factory(self.db.relationships[dbid])
def get_vertices(self):
nodes = self.db.nodes
return [element_factory(node) for node in nodes
if _is_existing_element(node)]
def get_edges(self):
return [
element_factory(edge) for edge in self.db.relationships
if _is_existing_element(edge)
]
def get_edge(self, dbid):
return element_factory(self.db.relationships[dbid])
def get_vertices(self):
nodes = self.db.nodes
return [
element_factory(node) for node in nodes
if _is_existing_element(node)
]
