def create_unique(self, entity):
entity = Graph.cast(entity)
index = len(self.entities)
name = _(index)
if isinstance(entity, Path):
self.names.append(self.create_unique_path(entity, name))
else:
raise TypeError("Cannot create unique entity of type %s" % type(entity).__name__)
self.entities.append(entity)
def create_unique(self, entity):
entity = Graph.cast(entity)
index = len(self.entities)
name = _(index)
if isinstance(entity, Path):
self.names.append(self.create_unique_path(entity, name))
else:
raise TypeError("Cannot create unique entity of type %s" %
type(entity).__name__)
self.entities.append(entity)
def delete(self, entity):
entity = Graph.cast(entity)
index = len(self.entities)
name = _(index)
if isinstance(entity, Node):
self.delete_node(entity, name)
elif isinstance(entity, Relationship):
self.delete_relationship(entity, name)
elif isinstance(entity, Path):
self.delete_path(entity, name)
self.entities.append(entity)
def delete(self, entity):
""" Append an entity to the DELETE clause of this statement.
:arg entity: The entity to delete.
"""
entity = Graph.cast(entity)
index = len(self.entities)
name = _(index)
if isinstance(entity, Node):
self._delete_node(entity, name)
elif isinstance(entity, Relationship):
self._delete_relationship(entity, name)
elif isinstance(entity, Path):
self._delete_path(entity, name)
self.entities.append(entity)
def delete(self, entity):
""" Append an entity to the DELETE clause of this statement.
:arg entity: The entity to delete.
"""
entity = Graph.cast(entity)
index = len(self.entities)
name = _(index)
if isinstance(entity, Node):
self._delete_node(entity, name)
elif isinstance(entity, Relationship):
self._delete_relationship(entity, name)
elif isinstance(entity, Path):
self._delete_path(entity, name)
self.entities.append(entity)
def create(self, entity):
""" Append an entity to the CREATE clause of this statement.
:arg entity: The entity to create.
"""
entity = Graph.cast(entity)
index = len(self.entities)
name = _(index)
if isinstance(entity, Node):
self.names.append(self._create_node(entity, name))
elif isinstance(entity, Path):
self.names.append(self._create_path(entity, name, unique=False))
else:
raise TypeError("Cannot create entity of type %s" % type(entity).__name__)
self.entities.append(entity)
def create(self, entity):
""" Append an entity to the CREATE clause of this statement.
:arg entity: The entity to create.
"""
entity = Graph.cast(entity)
index = len(self.entities)
name = _(index)
if isinstance(entity, Node):
self.names.append(self._create_node(entity, name))
elif isinstance(entity, Path):
self.names.append(self._create_path(entity, name, unique=False))
else:
raise TypeError("Cannot create entity of type %s" %
type(entity).__name__)
self.entities.append(entity)
def create_unique(self, entity):
""" Append an entity to the CREATE UNIQUE clause of this statement.
:arg entity: The entity to add.
"""
entity = Graph.cast(entity)
index = len(self.entities)
name = _(index)
if isinstance(entity, Path):
if len(entity) == 0:
raise ValueError("Cannot create unique path with zero length")
if not any(node.bound or node in self for node in entity.nodes):
raise ValueError("At least one node must be bound to create a unique path")
self.names.append(self._create_path(entity, name, unique=True))
else:
raise TypeError("Cannot create unique entity of type %s" % type(entity).__name__)
self.entities.append(entity)
def create_unique(self, entity):
""" Append an entity to the CREATE UNIQUE clause of this statement.
:arg entity: The entity to add.
"""
entity = Graph.cast(entity)
index = len(self.entities)
name = _(index)
if isinstance(entity, Path):
if len(entity) == 0:
raise ValueError("Cannot create unique path with zero length")
if not any(node.bound or node in self for node in entity.nodes):
raise ValueError(
"At least one node must be bound to create a unique path")
self.names.append(self._create_path(entity, name, unique=True))
else:
raise TypeError("Cannot create unique entity of type %s" %
type(entity).__name__)
self.entities.append(entity)
